diff --git a/MITM/Diffie_hellman.c b/MITM/Diffie_hellman.c new file mode 100644 index 0000000..edc3acf --- /dev/null +++ b/MITM/Diffie_hellman.c @@ -0,0 +1,149 @@ +#include +#include +#include +#include +#include +typedef struct{ + mpz_t prime; + mpz_t base; + mpz_t private_key; + mpz_t public_key; + mpz_t key_for_server; //g^(AB) + mpz_t key_for_client; //g^(AB) + FILE *urand; +}Mim_key; + +void generate_random(size_t sz, unsigned char* random_bytes,Mim_key* dhk) +{ + unsigned int init_random = 0; + size_t i = 0; + + if(0 == sz || NULL == random_bytes) + { + fprintf(stderr, "Wrong params for generate_random\n"); + exit(1); + } + init_random ^= ((unsigned int)fgetc(dhk->urand) << 8)|fgetc(dhk->urand); + srand(init_random); + for(i = 0; i < sz; i++) + { + random_bytes[i] = rand(); + } +} + +void put_hex(unsigned char* value, unsigned int len){ + //printf("%d:",len); + printf("exchange key"); + for(int i=0;iprivate_key) + { + fprintf(stderr, "Wrong params for generate_key\n"); + exit(1); + } + random_bytes = (unsigned char *)malloc(sz*sizeof(unsigned char)); + if(NULL == random_bytes) + { + fprintf(stderr, "Failed to allocate random bytes array for the private key\n"); + exit(1); + } + generate_random(sz, random_bytes, dhk); + mpz_import(dhk->private_key, 1, -1, sz, -1, 0, (const void*)random_bytes); + free(random_bytes); +} + + +void init_prime(size_t sz,Mim_key* dhk) +{ + mpz_t tmp; + mpz_t x; + unsigned char* random_bytes = NULL; + + + if(0 == sz) + { + fprintf(stderr, "Wrong params for init_prime\n"); + exit(1); + } + + mpz_init(tmp); + mpz_init(x); + + random_bytes = (unsigned char *)malloc(sz*sizeof(unsigned char)); + if(NULL == random_bytes) + { + fprintf(stderr, "Failed to allocate random bytes array for the prime number\n"); + exit(1); + } + while (1) + { + generate_random(sz, random_bytes,dhk); + random_bytes[sz-1] |= (unsigned char)0x40; + random_bytes[0] |= (unsigned char)1; + + mpz_import(tmp, 1, -1, sz, -1, 0, (const void*)random_bytes); + while (0 == mpz_probab_prime_p(tmp, 10)) + { + mpz_add_ui(tmp, tmp, 2); + } + mpz_mul_ui(dhk->prime, tmp, 2); + mpz_add_ui(dhk->prime, dhk->prime, 1); + if (0 != mpz_probab_prime_p(dhk->prime, 10)) + { + break; + } + } + free(random_bytes); + + mpz_set_ui(dhk->base, (unsigned long)2); + + mpz_clear(tmp); + mpz_clear(x); +} + + + +void init_numbers(Mim_key* dhk) +{ + mpz_init(dhk->key_for_client); + mpz_init(dhk->key_for_server); + mpz_init(dhk->prime); + mpz_init(dhk->base); + mpz_init(dhk->private_key); + mpz_init(dhk->public_key); +} + +void clear_numbers(Mim_key* dhk) +{ + mpz_clear(dhk->key_for_client); + mpz_clear(dhk->key_for_server); + mpz_clear(dhk->prime); + mpz_clear(dhk->base); + mpz_clear(dhk->private_key); + mpz_clear(dhk->public_key); +} diff --git a/MITM/MITM.c b/MITM/MITM.c new file mode 100644 index 0000000..9f2b795 --- /dev/null +++ b/MITM/MITM.c @@ -0,0 +1,274 @@ +#include +#include +#include +#include +#include +#include +#include "Diffie_hellman.c" + +#define MAXBYTES2CAPTURE 2048 + +typedef struct{ + unsigned char client_ip[16]; + unsigned char server_ip[16]; + pcap_t *p; +}ip_rule; + +struct psd_header{ + unsigned int saddr; + unsigned int daddr; + char mbz; + char ptcl; + unsigned short tcpl; +}; +Mim_key dh_key; +unsigned char server_mac[]={0x00,0x0c,0x29,0x83,0xfc,0xdf}; +unsigned char client_mac[]={0x00,0x0c,0x29,0xb5,0x23,0x98}; +unsigned char self_mac[]={0x00, 0x0c, 0x29, 0x07, 0x31, 0x61}; +//计算tcp校验和 +uint16_t calc_checksum(void *pkt, int len) { + uint16_t *buf = (uint16_t*)pkt; + uint32_t checksum = 0; + while (len > 1) + { + checksum += *buf++; + checksum = (checksum >> 16) + (checksum & 0xffff); + len -= 2; + } + if (len) + { + checksum += *((uint8_t*)buf); + checksum = (checksum >> 16) + (checksum & 0xffff); + } + return (uint16_t)((~checksum) & 0xffff); +} +//伪造 +void set_psdheader(struct psd_header* ph,struct iphdr *ip, uint16_t tl){ + ph->saddr=ip->saddr; + ph->daddr=ip->daddr; + ph->mbz=0; + ph->ptcl=6; + ph->tcpl=htons(tl); +} + +//捕包 +void tcp_callback(u_char *arg, const struct pcap_pkthdr* pkthdr, const u_char * packet){ + struct ether_header *ethernet; + struct iphdr *ip; + struct tcphdr *tcp; + char srcip_str[16]; + int hdr_len = ETHER_HDR_LEN + sizeof(struct iphdr) + sizeof(struct tcphdr) + 12; + int dl=pkthdr->len-hdr_len; + + memset(srcip_str,0,16); + ip_rule * ip_r=(ip_rule*)arg; + //数据帧头部 + ethernet = (struct ether_header*)(packet); + //ip头部 + ip = (struct iphdr*)(packet + ETHER_HDR_LEN); + //tcp头部 + tcp = (struct tcphdr*)(packet + ETHER_HDR_LEN+ sizeof(struct iphdr)); + inet_ntop(AF_INET,&(ip->saddr),srcip_str,16); + memcpy(ethernet->ether_shost, self_mac, 6); + + //处理服务器端发送的信息 + if(strncmp(srcip_str, ip_r->server_ip, strlen(srcip_str))==0) + { + //模 + if(strncmp(packet+hdr_len,"pri",3)==0) + { + mpz_set_str(dh_key.prime, packet+hdr_len+3, 16); + } + else if(strncmp(packet+hdr_len,"data",4)==0) + { + char *buff=packet+hdr_len; + char *plain=(char*)malloc(dl-48); + bzero(plain, sizeof(buff)); + char key_string[128],key_value[32]; + mpz_get_str(key_string, 16, dh_key.key_for_server); + memcpy(key_value, str2hex(key_string), sizeof(key_value)); + + //解密 + unsigned char iv[12],add[16],tag[16]; + memcpy(add,buff+4,16); + memcpy(iv,buff+16+4,12); + memset(tag,0,16); + int tmp=aes_gcm_ad(key_value, 32,iv, 12,buff+44+4, dl-44-4,add, 16,tag, plain); + printf("[server]%s",plain); + + //加密 + bzero(key_string, sizeof(key_string)); + mpz_get_str(key_string, 16, dh_key.key_for_client); + memcpy(key_value, str2hex(key_string), sizeof(key_value)); + tmp=aes_gcm_ae(key_value, 32,iv,12,plain,dl-48,add, 16,buff+44+4, tag); + + //伪造tcp头 + uint16_t tcp_len =pkthdr->len-ETHER_HDR_LEN-sizeof(struct iphdr); + unsigned char * data_for_checksum=(unsigned char*)malloc(tcp_len+sizeof(struct psd_header)); + struct psd_header ph; + bzero(data_for_checksum, tcp_len+sizeof(ph)); + set_psdheader(&ph, ip, tcp_len); + memcpy(data_for_checksum, (void*)(&ph), sizeof(ph)); + tcp->check=0; + memcpy(data_for_checksum+sizeof(ph), tcp, tcp_len); + uint16_t cs= calc_checksum(data_for_checksum, tcp_len + sizeof(ph)); + tcp->check=cs; + } + else if(strncmp(packet+hdr_len,"pub",3)==0) + { + mpz_t key_from_s; + mpz_init(key_from_s); + mpz_set_str(key_from_s,packet+hdr_len+3,16); + mpz_powm(dh_key.key_for_server, key_from_s, dh_key.private_key, dh_key.prime); + unsigned char pub[64]; + mpz_get_str(pub,16,dh_key.public_key); + memcpy(packet+hdr_len+3,pub,sizeof(pub)); + + //伪造tcp头 + uint16_t tcp_len =pkthdr->len-ETHER_HDR_LEN-sizeof(struct iphdr); + unsigned char * data_for_checksum=(unsigned char*)malloc(tcp_len+sizeof(struct psd_header)); + struct psd_header ph; + bzero(data_for_checksum, tcp_len+sizeof(ph)); + set_psdheader(&ph, ip, tcp_len); + memcpy(data_for_checksum, (void*)(&ph), sizeof(ph)); + tcp->check=0; + memcpy(data_for_checksum+sizeof(ph), tcp, tcp_len); + unsigned short cs= calc_checksum(data_for_checksum, tcp_len + sizeof(ph)); + tcp->check=cs; + } + memcpy(ethernet->ether_dhost,client_mac,6); + } + //处理客户端 + else + { + if(strncmp(packet+hdr_len,"data",4)==0) + { + //decrypt + char *buff=packet+hdr_len; + char *plain=(char*)malloc(dl-48); + bzero(plain, sizeof(buff)); + char key_string[128],key_value[32]; + mpz_get_str(key_string, 16, dh_key.key_for_client); + memcpy(key_value, str2hex(key_string), sizeof(key_value)); + + //解密 + unsigned char iv[12],add[16],tag[16]; + memcpy(add,buff+4,16); + memcpy(iv,buff+16+4,12); + memset(tag,0,16); + int tmp=aes_gcm_ad(key_value, 32,iv, 12,buff+44+4, dl-44-4,add, 16,tag, plain); + printf("[client]%s",plain); + + //加密 + bzero(key_string, sizeof(key_string)); + mpz_get_str(key_string, 16, dh_key.key_for_server); + memcpy(key_value, str2hex(key_string), sizeof(key_value)); + tmp=aes_gcm_ae(key_value, 32,iv,12,plain,dl-48,add, 16,buff+44+4, tag); + + //伪造 + uint16_t tcp_len =pkthdr->len-ETHER_HDR_LEN-sizeof(struct iphdr); + unsigned char * data_for_checksum=(unsigned char*)malloc(tcp_len+sizeof(struct psd_header)); + struct psd_header ph; + bzero(data_for_checksum, tcp_len+sizeof(ph)); + set_psdheader(&ph, ip, tcp_len); + memcpy(data_for_checksum, (void*)(&ph), sizeof(ph)); + tcp->check=0; + memcpy(data_for_checksum+sizeof(ph), tcp, tcp_len); + uint16_t cs= calc_checksum(data_for_checksum, tcp_len + sizeof(ph)); + tcp->check=cs; + } + else if(strncmp(packet+hdr_len,"pub",3)==0) + { + unsigned char pub[64]; + generate_key(32,&dh_key); + mpz_t key_from_c; + mpz_init(key_from_c); + mpz_set_str(key_from_c,packet+hdr_len+3,16); + mpz_powm(dh_key.key_for_client, key_from_c, dh_key.private_key, dh_key.prime); + mpz_powm(dh_key.public_key, dh_key.base, dh_key.private_key, dh_key.prime); + memcpy(ethernet->ether_dhost,server_mac,6); + + mpz_get_str(pub,16,dh_key.public_key); + memcpy(packet+hdr_len+3,pub,sizeof(pub)); + + uint16_t tcp_len =pkthdr->len-ETHER_HDR_LEN-sizeof(struct iphdr); + unsigned char * data_for_checksum=(unsigned char*)malloc(tcp_len+sizeof(struct psd_header)); + struct psd_header ph; + bzero(data_for_checksum, tcp_len+sizeof(ph)); + set_psdheader(&ph, ip, tcp_len); + memcpy(data_for_checksum, (void*)(&ph), sizeof(ph)); + tcp->check=0; + memcpy(data_for_checksum+sizeof(ph), tcp, tcp_len); + uint16_t cs= calc_checksum(data_for_checksum, tcp_len + sizeof(ph)); + tcp->check=cs; + } + memcpy(ethernet->ether_dhost,server_mac,6); + } + pcap_sendpacket(ip_r->p,packet,pkthdr->len); + return; +} + +/* main(): Main function. Opens network interface and calls pcap_loop() */ +int main(int argc, char *argv[] ){ + int i=0, count=0; + pcap_t *descr = NULL; + char errbuf[PCAP_ERRBUF_SIZE], *device=NULL; + struct bpf_program filter; + + memset(errbuf,0,PCAP_ERRBUF_SIZE); + init_numbers(&dh_key); + mpz_set_ui(dh_key.base, (unsigned long)2); + dh_key.urand = fopen("/dev/urandom","r"); + + //获得网卡信息 + if ( (device = pcap_lookupdev(errbuf)) == NULL) + { + fprintf(stderr, "ERROR: %s\n", errbuf); + exit(1); + } + printf("Opening device %s\n", device); + //打开网卡 + if ( (descr = pcap_open_live(device, MAXBYTES2CAPTURE, 1, 512, errbuf)) == NULL) + { + fprintf(stderr, "ERROR: %s\n", errbuf); + exit(1); + } + + //设置过滤信息 + char rule[128]; + memset(rule,0,128); + strncat(rule,"(src host ",10); + strncat(rule,argv[1],strlen(argv[1])); + strncat(rule," and dst host ",14); + strncat(rule,argv[2],strlen(argv[2])); + strncat(rule,") or (src host ",15); + strncat(rule,argv[2],strlen(argv[2])); + strncat(rule," and dst host ",14); + strncat(rule,argv[1],strlen(argv[1])); + strncat(rule, ")", 1); + if(pcap_compile(descr,&filter,rule,1,0)<0) + { + printf("error\n"); + return 0; + } + if(pcap_setfilter(descr,&filter)<0) + { + printf("error\n"); + return 0; + } + ip_rule ip_r; + ip_r.p=descr; + memset(ip_r.client_ip,0,15); + memcpy(ip_r.client_ip, argv[1],strlen(argv[1])); + memset(ip_r.server_ip,0,15); + memcpy(ip_r.server_ip, argv[2],strlen(argv[2])); + //循环捕包 + if (pcap_loop(descr, -1, tcp_callback, (u_char *) &ip_r) == -1) + { + fprintf(stderr, "ERROR: %s\n", pcap_geterr(descr) ); + exit(1); + } + + return 0; +} + diff --git a/MITM/aes-common.h b/MITM/aes-common.h new file mode 100644 index 0000000..254a85c --- /dev/null +++ b/MITM/aes-common.h @@ -0,0 +1,246 @@ +#ifndef AES_COMMON_H +#define AES_COMMON_H + +#include +#include +#include +#include +#include + + +/* integer types */ + +typedef unsigned char aes_uchar; +typedef unsigned short aes_ushort; +typedef unsigned int aes_uint; +typedef unsigned long long aes_ulong; +typedef signed char aes_char; +typedef signed short aes_short; +typedef signed int aes_int; +typedef signed long long aes_long; + + +/* byte order */ + +#if defined(__linux__) || defined(__GLIBC__) +#include +#include +#endif /* defined(__linux__) || defined(__GLIBC__) */ + +#if defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) || defined(__OpenBSD__) +#include +#include +#define __BYTE_ORDER _BYTE_ORDER +#define __LITTLE_ENDIAN _LITTLE_ENDIAN +#define __BIG_ENDIAN _BIG_ENDIAN +#endif /* defined(__FreeBSD__) || defined(__NetBSD__) || + * defined(__DragonFly__) || defined(__OpenBSD__) */ + +#ifdef sun +#include +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#ifdef _LITTLE_ENDIAN +#define __BYTE_ORDER __LITTLE_ENDIAN +#else +#define __BYTE_ORDER __BIG_ENDIAN +#endif +#endif + +#ifdef _MSC_VER +#define inline __inline +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif /* _MSC_VER */ + +#ifdef __APPLE__ +#include +#include +#define __BYTE_ORDER BYTE_ORDER +#define __LITTLE_ENDIAN LITTLE_ENDIAN +#define __BIG_ENDIAN BIG_ENDIAN +#endif /* __APPLE__ */ + + +/* byte swap macros */ + +#ifndef bswap_16 +#define bswap_16(a) ((((aes_ushort) (a) & 0xff00) >> 8) | \ + (((aes_ushort) (a) & 0x00ff) << 8)) +#endif + +#ifndef bswap_32 +#if defined __GNUC__ +#define bswap_32(a) __builtin_bswap32(a) +#else +#define bswap_32(a) ((((aes_uint) (a) & 0xff000000) >> 24) | \ + (((aes_uint) (a) & 0x00ff0000) >> 8) | \ + (((aes_uint) (a) & 0x0000ff00) << 8) | \ + (((aes_uint) (a) & 0x000000ff) << 24)) +#endif +#endif + +#ifndef bswap_64 +#if defined __GNUC__ +#define bswap_64(a) __builtin_bswap64(a) +#else +#define bswap_64(a) ((((aes_ulong) (a) & 0xff00000000000000ull) >> 56) | \ + (((aes_ulong) (a) & 0x00ff000000000000ull) >> 40) | \ + (((aes_ulong) (a) & 0x0000ff0000000000ull) >> 24) | \ + (((aes_ulong) (a) & 0x000000ff00000000ull) >> 8) | \ + (((aes_ulong) (a) & 0x00000000ff000000ull) << 8) | \ + (((aes_ulong) (a) & 0x0000000000ff0000ull) << 24) | \ + (((aes_ulong) (a) & 0x000000000000ff00ull) << 40) | \ + (((aes_ulong) (a) & 0x00000000000000ffull) << 56)) +#endif +#endif + + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define __ENDIAN_LITTLE__ 1 /* OpenCL */ +#define le_to_host16(n) (n) +#define host_to_le16(n) (n) +#define be_to_host16(n) bswap_16(n) +#define host_to_be16(n) bswap_16(n) +#define le_to_host32(n) (n) +#define host_to_le32(n) (n) +#define be_to_host32(n) bswap_32(n) +#define host_to_be32(n) bswap_32(n) +#define le_to_host64(n) (n) +#define host_to_le64(n) (n) +#define be_to_host64(n) bswap_64(n) +#define host_to_be64(n) bswap_64(n) +#elif __BYTE_ORDER == __BIG_ENDIAN +#define le_to_host16(n) bswap_16(n) +#define host_to_le16(n) bswap_16(n) +#define be_to_host16(n) (n) +#define host_to_be16(n) (n) +#define le_to_host32(n) bswap_32(n) +#define host_to_le32(n) bswap_32(n) +#define be_to_host32(n) (n) +#define host_to_be32(n) (n) +#define le_to_host64(n) bswap_64(n) +#define host_to_le64(n) bswap_64(n) +#define be_to_host64(n) (n) +#define host_to_be64(n) (n) +#else +#error Could not determine CPU byte order +#endif + + +/* unaligned memory accesses */ + +static inline aes_ushort AES_GET_BE16(const aes_uchar *a) +{ + return (a[0] << 8) | a[1]; +} + +static inline void AES_PUT_BE16(aes_uchar *a, aes_ushort val) +{ + a[0] = val >> 8; + a[1] = val & 0xff; +} + +static inline aes_ushort AES_GET_LE16(const aes_uchar *a) +{ + return (a[1] << 8) | a[0]; +} + +static inline void AES_PUT_LE16(aes_uchar *a, aes_ushort val) +{ + a[1] = val >> 8; + a[0] = val & 0xff; +} + +static inline aes_uint AES_GET_BE24(const aes_uchar *a) +{ + return (a[0] << 16) | (a[1] << 8) | a[2]; +} + +static inline void AES_PUT_BE24(aes_uchar *a, aes_uint val) +{ + a[0] = (val >> 16) & 0xff; + a[1] = (val >> 8) & 0xff; + a[2] = val & 0xff; +} + +static inline aes_uint AES_GET_BE32(const aes_uchar *a) +{ + return (a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3]; +} + +static inline void AES_PUT_BE32(aes_uchar *a, aes_uint val) +{ + a[0] = (val >> 24) & 0xff; + a[1] = (val >> 16) & 0xff; + a[2] = (val >> 8) & 0xff; + a[3] = val & 0xff; +} + +static inline aes_uint AES_GET_LE32(const aes_uchar *a) +{ + return (a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0]; +} + +static inline void AES_PUT_LE32(aes_uchar *a, aes_uint val) +{ + a[3] = (val >> 24) & 0xff; + a[2] = (val >> 16) & 0xff; + a[1] = (val >> 8) & 0xff; + a[0] = val & 0xff; +} + +static inline aes_ulong AES_GET_BE64(const aes_uchar *a) +{ + return (((aes_ulong) a[0]) << 56) | (((aes_ulong) a[1]) << 48) | + (((aes_ulong) a[2]) << 40) | (((aes_ulong) a[3]) << 32) | + (((aes_ulong) a[4]) << 24) | (((aes_ulong) a[5]) << 16) | + (((aes_ulong) a[6]) << 8) | ((aes_ulong) a[7]); +} + +static inline void AES_PUT_BE64(aes_uchar *a, aes_ulong val) +{ + a[0] = val >> 56; + a[1] = val >> 48; + a[2] = val >> 40; + a[3] = val >> 32; + a[4] = val >> 24; + a[5] = val >> 16; + a[6] = val >> 8; + a[7] = val & 0xff; +} + +static inline aes_ulong AES_GET_LE64(const aes_uchar *a) +{ + return (((aes_ulong) a[7]) << 56) | (((aes_ulong) a[6]) << 48) | + (((aes_ulong) a[5]) << 40) | (((aes_ulong) a[4]) << 32) | + (((aes_ulong) a[3]) << 24) | (((aes_ulong) a[2]) << 16) | + (((aes_ulong) a[1]) << 8) | ((aes_ulong) a[0]); +} + +static inline void AES_PUT_LE64(aes_uchar *a, aes_ulong val) +{ + a[7] = val >> 56; + a[6] = val >> 48; + a[5] = val >> 40; + a[4] = val >> 32; + a[3] = val >> 24; + a[2] = val >> 16; + a[1] = val >> 8; + a[0] = val & 0xff; +} + + +/* function attribute macros */ + +#ifndef AES_WARN_UNUSED_RESULT +#if defined __GNUC__ +#define AES_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) +#else +#define AES_WARN_UNUSED_RESULT +#endif /* __GNUC__ */ +#endif /* AES_WARN_UNUSED_RESULT */ + +#endif /* AES_COMMON_H */ diff --git a/MITM/aes-debug.c b/MITM/aes-debug.c new file mode 100644 index 0000000..9161390 --- /dev/null +++ b/MITM/aes-debug.c @@ -0,0 +1,166 @@ +#define AES_DEBUG + +#include "aes.h" + +int aes_debug_level = MSG_EXCESSIVE; +int aes_debug_show_keys = 1; +int aes_debug_timestamp = 1; + +#if defined(_MSC_VER) || ( defined(__WIN32__) && !defined(__CYGWIN__)) + +#include +#include + +const __int64 DELTA_EPOCH_IN_MICROSECS= 11644473600000000; + +int gettimeofday(struct timeval *tv, struct timezone *tz) +{ + FILETIME ft; + __int64 tmpres = 0; + TIME_ZONE_INFORMATION tz_winapi; + int ret = 0; + + ZeroMemory(&ft,sizeof(ft)); + ZeroMemory(&tz_winapi,sizeof(tz_winapi)); + + GetSystemTimeAsFileTime(&ft); + + tmpres = ft.dwHighDateTime; + tmpres <<= 32; + tmpres |= ft.dwLowDateTime; + + /*converting file time to unix epoch*/ + tmpres /= 10; /*convert into microseconds*/ + tmpres -= DELTA_EPOCH_IN_MICROSECS; + tv->tv_sec = (__int32)(tmpres*0.000001); + tv->tv_usec =(tmpres%1000000); + + if (tz) { + ret = GetTimeZoneInformation(&tz_winapi); + tz->tz_dsttime = (ret == 2) ? true : false; + tz->tz_minuteswest = tz_winapi.Bias + ((rez==2)?tz_winapi.DaylightBias:0); + } + + return 0; +} + +#endif + + +void aes_debug_print_timestamp(void) +{ + struct timeval tv; + + if (!aes_debug_timestamp) + return; + + gettimeofday(&tv, NULL); + printf("%ld.%06u: ", (long) tv.tv_sec, (unsigned int) tv.tv_usec); +} + + +void aes_printf(int level, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (level >= aes_debug_level) { + aes_debug_print_timestamp(); + vprintf(fmt, ap); + printf("\n"); + } + va_end(ap); +} + + +static void _aes_hexdump(int level, const char *title, const aes_uchar *buf, + size_t len, int show) +{ + size_t i; + + if (level < aes_debug_level) + return; + + aes_debug_print_timestamp(); + printf("%s - hexdump(len=%lu):", title, (unsigned long) len); + if (buf == NULL) { + printf(" [NULL]"); + } else if (show) { + for (i = 0; i < len; i++) + printf(" %02x", buf[i]); + } else { + printf(" [REDACTED]"); + } + printf("\n"); +} + + +void aes_hexdump(int level, const char *title, const void *buf, size_t len) +{ + _aes_hexdump(level, title, buf, len, 1); +} + + +void aes_hexdump_key(int level, const char *title, const void *buf, size_t len) +{ + _aes_hexdump(level, title, buf, len, aes_debug_show_keys); +} + + +static void _aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len, int show) +{ + size_t i, llen; + const aes_uchar *pos = buf; + const size_t line_len = 16; + + if (level < aes_debug_level) + return; + + aes_debug_print_timestamp(); + if (!show) { + printf("%s - hexdump_ascii(len=%lu): [REDACTED]\n", + title, (unsigned long) len); + return; + } + if (buf == NULL) { + printf("%s - hexdump_ascii(len=%lu): [NULL]\n", + title, (unsigned long) len); + return; + } + printf("%s - hexdump_ascii(len=%lu):\n", title, (unsigned long) len); + while (len) { + llen = len > line_len ? line_len : len; + printf(" "); + for (i = 0; i < llen; i++) + printf(" %02x", pos[i]); + for (i = llen; i < line_len; i++) + printf(" "); + printf(" "); + for (i = 0; i < llen; i++) { + if (isprint(pos[i])) + printf("%c", pos[i]); + else + printf("_"); + } + for (i = llen; i < line_len; i++) + printf(" "); + printf("\n"); + pos += llen; + len -= llen; + } +} + + +void aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len) +{ + _aes_hexdump_ascii(level, title, buf, len, 1); +} + + +void aes_hexdump_ascii_key(int level, const char *title, const void *buf, + size_t len) +{ + _aes_hexdump_ascii(level, title, buf, len, aes_debug_show_keys); +} diff --git a/MITM/aes-debug.h b/MITM/aes-debug.h new file mode 100644 index 0000000..c18f9ff --- /dev/null +++ b/MITM/aes-debug.h @@ -0,0 +1,60 @@ +#ifndef AES_DEBUG_H +#define AES_DEBUG_H + +/* gettimeofday */ + +#if defined(_MSC_VER) || ( defined(__WIN32__) && !defined(__CYGWIN__)) + +struct timezone +{ + int tz_minuteswest; /* minutes west of Greenwich */ + int tz_dsttime; /* type of dst correction */ +}; + +struct timeval { + int tv_sec; + int tv_usec; +}; + +extern int gettimeofday(struct timeval *tv, struct timezone *tz); + +#else +#include +#endif + +/* Debugging function - conditional printf and hex dump */ + +enum { + MSG_EXCESSIVE, MSG_MSGDUMP, MSG_DEBUG, MSG_INFO, MSG_WARNING, MSG_ERROR +}; + +extern int aes_debug_level; +extern int aes_debug_show_keys; +extern int aes_debug_timestamp; + +#ifndef AES_DEBUG + +#define aes_debug_print_timestamp() do { } while (0) +#define aes_printf(args...) do { } while (0) +#define aes_hexdump(l,t,b,le) do { } while (0) +#define aes_hexdump_buf(l,t,b) do { } while (0) +#define aes_hexdump_key(l,t,b,le) do { } while (0) +#define aes_hexdump_buf_key(l,t,b) do { } while (0) +#define aes_hexdump_ascii(l,t,b,le) do { } while (0) +#define aes_hexdump_ascii_key(l,t,b,le) do { } while (0) +#define aes_dbg(args...) do { } while (0) + +#else +void aes_debug_print_timestamp(void); +void aes_printf(int level, const char *fmt, ...) __attribute__ ((format (printf, (2), (3)))); +void aes_hexdump(int level, const char *title, const void *buf, size_t len); +void aes_hexdump_key(int level, const char *title, const void *buf, size_t len); +void aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len); + +void aes_hexdump_ascii_key(int level, const char *title, const void *buf, + size_t len); + +#endif /* AES_DEBUG_STDOUT */ + +#endif /* AES_DEBUG_H */ diff --git a/MITM/aes-gcm.c b/MITM/aes-gcm.c new file mode 100644 index 0000000..e46a2ad --- /dev/null +++ b/MITM/aes-gcm.c @@ -0,0 +1,312 @@ +#include "aes.h" + +static void inc32(aes_uchar *block) +{ + aes_uint val; + val = AES_GET_BE32(block + AES_BLOCK_SIZE - 4); + val++; + AES_PUT_BE32(block + AES_BLOCK_SIZE - 4, val); +} + + +static void xor_block(aes_uchar *dst, const aes_uchar *src) +{ + aes_uint *d = (aes_uint *) dst; + aes_uint *s = (aes_uint *) src; + *d++ ^= *s++; + *d++ ^= *s++; + *d++ ^= *s++; + *d++ ^= *s++; +} + + +static void shift_right_block(aes_uchar *v) +{ + aes_uint val; + + val = AES_GET_BE32(v + 12); + val >>= 1; + if (v[11] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 12, val); + + val = AES_GET_BE32(v + 8); + val >>= 1; + if (v[7] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 8, val); + + val = AES_GET_BE32(v + 4); + val >>= 1; + if (v[3] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 4, val); + + val = AES_GET_BE32(v); + val >>= 1; + AES_PUT_BE32(v, val); +} + + +/* Multiplication in GF(2^128) */ +static void gf_mult(const aes_uchar *x, const aes_uchar *y, aes_uchar *z) +{ + aes_uchar v[16]; + int i, j; + + memset(z, 0, 16); /* Z_0 = 0^128 */ + memcpy(v, y, 16); /* V_0 = Y */ + + for (i = 0; i < 16; i++) { + for (j = 0; j < 8; j++) { + if (x[i] & 1 << (7 - j)) { + /* Z_(i + 1) = Z_i XOR V_i */ + xor_block(z, v); + } else { + /* Z_(i + 1) = Z_i */ + } + + if (v[15] & 0x01) { + /* V_(i + 1) = (V_i >> 1) XOR R */ + shift_right_block(v); + /* R = 11100001 || 0^120 */ + v[0] ^= 0xe1; + } else { + /* V_(i + 1) = V_i >> 1 */ + shift_right_block(v); + } + } + } +} + + +static void ghash_start(aes_uchar *y) +{ + /* Y_0 = 0^128 */ + memset(y, 0, 16); +} + + +static void ghash(const aes_uchar *h, const aes_uchar *x, size_t xlen, aes_uchar *y) +{ + size_t m, i; + const aes_uchar *xpos = x; + aes_uchar tmp[16]; + + m = xlen / 16; + + for (i = 0; i < m; i++) { + /* Y_i = (Y^(i-1) XOR X_i) dot H */ + xor_block(y, xpos); + xpos += 16; + + /* dot operation: + * multiplication operation for binary Galois (finite) field of + * 2^128 elements */ + gf_mult(y, h, tmp); + memcpy(y, tmp, 16); + } + + if (x + xlen > xpos) { + /* Add zero padded last block */ + size_t last = x + xlen - xpos; + memcpy(tmp, xpos, last); + memset(tmp + last, 0, sizeof(tmp) - last); + + /* Y_i = (Y^(i-1) XOR X_i) dot H */ + xor_block(y, tmp); + + /* dot operation: + * multiplication operation for binary Galois (finite) field of + * 2^128 elements */ + gf_mult(y, h, tmp); + memcpy(y, tmp, 16); + } + + /* Return Y_m */ +} + + +static void aes_gctr(void *aes, const aes_uchar *icb, const aes_uchar *x, size_t xlen, aes_uchar *y) +{ + size_t i, n, last; + aes_uchar cb[AES_BLOCK_SIZE], tmp[AES_BLOCK_SIZE]; + const aes_uchar *xpos = x; + aes_uchar *ypos = y; + + if (xlen == 0) + return; + + n = xlen / 16; + + memcpy(cb, icb, AES_BLOCK_SIZE); + /* Full blocks */ + for (i = 0; i < n; i++) { + aes_encrypt(aes, cb, ypos); + xor_block(ypos, xpos); + xpos += AES_BLOCK_SIZE; + ypos += AES_BLOCK_SIZE; + inc32(cb); + } + + last = x + xlen - xpos; + if (last) { + /* Last, partial block */ + aes_encrypt(aes, cb, tmp); + for (i = 0; i < last; i++) + *ypos++ = *xpos++ ^ tmp[i]; + } +} + + +static void * aes_gcm_init_hash_subkey(const aes_uchar *key, size_t key_len, aes_uchar *H) +{ + void *aes; + + aes = aes_encrypt_init(key, key_len); + if (aes == NULL) + return NULL; + + /* Generate hash subkey H = AES_K(0^128) */ + memset(H, 0, AES_BLOCK_SIZE); + aes_encrypt(aes, H, H); + aes_hexdump_key(MSG_EXCESSIVE, "Hash subkey H for GHASH", H, AES_BLOCK_SIZE); + return aes; +} + + +static void aes_gcm_prepare_j0(const aes_uchar *iv, size_t iv_len, const aes_uchar *H, aes_uchar *J0) +{ + aes_uchar len_buf[16]; + + if (iv_len == 12) { + /* Prepare block J_0 = IV || 0^31 || 1 [len(IV) = 96] */ + memcpy(J0, iv, iv_len); + memset(J0 + iv_len, 0, AES_BLOCK_SIZE - iv_len); + J0[AES_BLOCK_SIZE - 1] = 0x01; + } else { + /* + * s = 128 * ceil(len(IV)/128) - len(IV) + * J_0 = GHASH_H(IV || 0^(s+64) || [len(IV)]_64) + */ + ghash_start(J0); + ghash(H, iv, iv_len, J0); + AES_PUT_BE64(len_buf, 0); + AES_PUT_BE64(len_buf + 8, iv_len * 8); + ghash(H, len_buf, sizeof(len_buf), J0); + } +} + + +static void aes_gcm_gctr(void *aes, const aes_uchar *J0, const aes_uchar *in, size_t len, + aes_uchar *out) +{ + aes_uchar J0inc[AES_BLOCK_SIZE]; + + if (len == 0) + return; + + memcpy(J0inc, J0, AES_BLOCK_SIZE); + inc32(J0inc); + aes_gctr(aes, J0inc, in, len, out); +} + + +static void aes_gcm_ghash(const aes_uchar *H, const aes_uchar *aad, size_t aad_len, + const aes_uchar *crypt, size_t crypt_len, aes_uchar *S) +{ + aes_uchar len_buf[16]; + + /* + * u = 128 * ceil[len(C)/128] - len(C) + * v = 128 * ceil[len(A)/128] - len(A) + * S = GHASH_H(A || 0^v || C || 0^u || [len(A)]64 || [len(C)]64) + * (i.e., zero padded to block size A || C and lengths of each in bits) + */ + ghash_start(S); + ghash(H, aad, aad_len, S); + ghash(H, crypt, crypt_len, S); + AES_PUT_BE64(len_buf, aad_len * 8); + AES_PUT_BE64(len_buf + 8, crypt_len * 8); + ghash(H, len_buf, sizeof(len_buf), S); + + aes_hexdump_key(MSG_EXCESSIVE, "S = GHASH_H(...)", S, 16); +} + + +/** + * aes_gcm_ae - GCM-AE_K(IV, P, A) + */ +int aes_gcm_ae(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *crypt, aes_uchar *tag) +{ + aes_uchar H[AES_BLOCK_SIZE]; + aes_uchar J0[AES_BLOCK_SIZE]; + aes_uchar S[16]; + void *aes; + + aes = aes_gcm_init_hash_subkey(key, key_len, H); + if (aes == NULL) + return -1; + + aes_gcm_prepare_j0(iv, iv_len, H, J0); + + /* C = GCTR_K(inc_32(J_0), P) */ + aes_gcm_gctr(aes, J0, plain, plain_len, crypt); + + aes_gcm_ghash(H, aad, aad_len, crypt, plain_len, S); + + /* T = MSB_t(GCTR_K(J_0, S)) */ + aes_gctr(aes, J0, S, sizeof(S), tag); + + /* Return (C, T) */ + + aes_encrypt_deinit(aes); + + return 0; +} + + +/** + * aes_gcm_ad - GCM-AD_K(IV, C, A, T) + */ +int aes_gcm_ad(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *tag, aes_uchar *plain) +{ + aes_uchar H[AES_BLOCK_SIZE]; + aes_uchar J0[AES_BLOCK_SIZE]; + aes_uchar S[16], T[16]; + void *aes; + + aes = aes_gcm_init_hash_subkey(key, key_len, H); + if (aes == NULL) + return -1; + + aes_gcm_prepare_j0(iv, iv_len, H, J0); + + /* P = GCTR_K(inc_32(J_0), C) */ + aes_gcm_gctr(aes, J0, crypt, crypt_len, plain); + + aes_gcm_ghash(H, aad, aad_len, crypt, crypt_len, S); + + /* T' = MSB_t(GCTR_K(J_0, S)) */ + aes_gctr(aes, J0, S, sizeof(S), T); + + aes_encrypt_deinit(aes); + + if (memcmp(tag, T, 16) != 0) { + aes_printf(MSG_EXCESSIVE, "GCM: Tag mismatch"); + return -1; + } + + return 0; +} + + +int aes_gmac(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *tag) +{ + return aes_gcm_ae(key, key_len, iv, iv_len, NULL, 0, aad, aad_len, NULL, tag); +} diff --git a/MITM/aes-internal.c b/MITM/aes-internal.c new file mode 100644 index 0000000..2b2a18a --- /dev/null +++ b/MITM/aes-internal.c @@ -0,0 +1,1021 @@ +#include "aes.h" +#include "aes-internal.h" +const aes_uint Te0[256] = { + 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, + 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, + 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU, + 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU, + 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, + 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, + 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, + 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU, + 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU, + 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, + 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, + 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU, + 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU, + 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U, + 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, + 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, + 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, + 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU, + 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU, + 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, + 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, + 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, + 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU, + 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU, + 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, + 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, + 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, + 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U, + 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU, + 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, + 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, + 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, + 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU, + 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U, + 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, + 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, + 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, + 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U, + 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU, + 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, + 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, + 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, + 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U, + 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU, + 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, + 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, + 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, + 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U, + 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U, + 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, + 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, + 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, + 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU, + 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U, + 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, + 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, + 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U, + 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U, + 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U, + 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, + 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, + 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, + 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U, + 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU, +}; +#ifndef AES_SMALL_TABLES +const aes_uint Te1[256] = { + 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, + 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, + 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU, + 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U, + 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, + 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, + 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, + 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U, + 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U, + 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, + 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, + 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, + 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U, + 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU, + 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, + 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, + 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, + 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U, + 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U, + 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, + 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, + 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, + 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U, + 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU, + 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, + 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, + 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, + 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U, + 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU, + 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, + 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, + 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, + 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU, + 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U, + 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, + 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, + 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, + 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U, + 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U, + 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, + 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, + 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, + 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U, + 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U, + 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, + 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, + 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, + 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U, + 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU, + 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, + 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, + 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, + 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U, + 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU, + 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, + 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, + 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, + 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U, + 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U, + 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, + 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, + 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, + 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU, + 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U, +}; +const aes_uint Te2[256] = { + 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, + 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, + 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU, + 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U, + 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, + 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, + 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, + 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U, + 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U, + 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, + 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, + 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U, + 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U, + 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU, + 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, + 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, + 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, + 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U, + 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U, + 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, + 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, + 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, + 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U, + 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU, + 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, + 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, + 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, + 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U, + 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU, + 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, + 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, + 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, + 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU, + 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U, + 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, + 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, + 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, + 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U, + 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U, + 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, + 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, + 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, + 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U, + 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U, + 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, + 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, + 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, + 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U, + 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU, + 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, + 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, + 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, + 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U, + 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU, + 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, + 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, + 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U, + 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U, + 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U, + 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, + 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, + 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, + 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU, + 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U, +}; +const aes_uint Te3[256] = { + 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, + 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, + 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U, + 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU, + 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, + 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, + 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, + 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU, + 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU, + 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, + 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, + 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU, + 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU, + 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU, + 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, + 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, + 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, + 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU, + 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU, + 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, + 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, + 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, + 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U, + 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U, + 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, + 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, + 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, + 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU, + 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U, + 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, + 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, + 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, + 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U, + 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU, + 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, + 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, + 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, + 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU, + 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U, + 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, + 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, + 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, + 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U, + 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U, + 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, + 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, + 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, + 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U, + 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU, + 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, + 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, + 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, + 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU, + 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU, + 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, + 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, + 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U, + 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U, + 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U, + 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, + 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, + 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, + 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU, + 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU, +}; +const aes_uint Te4[256] = { + 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU, + 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U, + 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU, + 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U, + 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU, + 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U, + 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU, + 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U, + 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U, + 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU, + 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U, + 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U, + 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U, + 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU, + 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U, + 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U, + 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU, + 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U, + 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U, + 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U, + 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU, + 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU, + 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U, + 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU, + 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU, + 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U, + 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU, + 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U, + 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU, + 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U, + 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U, + 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U, + 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU, + 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U, + 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU, + 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U, + 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU, + 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U, + 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U, + 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU, + 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU, + 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU, + 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U, + 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U, + 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU, + 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U, + 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU, + 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U, + 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU, + 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U, + 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU, + 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU, + 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U, + 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU, + 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U, + 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU, + 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U, + 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U, + 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U, + 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU, + 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU, + 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U, + 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU, + 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U, +}; +#endif /* AES_SMALL_TABLES */ +const aes_uint Td0[256] = { + 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U, + 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U, + 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U, + 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU, + 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U, + 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U, + 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU, + 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U, + 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU, + 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U, + 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U, + 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U, + 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U, + 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU, + 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U, + 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU, + 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U, + 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU, + 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U, + 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U, + 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U, + 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU, + 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U, + 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU, + 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U, + 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU, + 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U, + 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU, + 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU, + 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U, + 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU, + 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U, + 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU, + 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U, + 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U, + 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U, + 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU, + 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U, + 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U, + 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU, + 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U, + 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U, + 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U, + 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U, + 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U, + 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU, + 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U, + 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U, + 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U, + 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U, + 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U, + 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU, + 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU, + 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU, + 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU, + 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U, + 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U, + 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU, + 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU, + 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U, + 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU, + 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U, + 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U, + 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U, +}; +#ifndef AES_SMALL_TABLES +const aes_uint Td1[256] = { + 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU, + 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U, + 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU, + 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U, + 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U, + 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U, + 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U, + 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U, + 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U, + 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU, + 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU, + 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU, + 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U, + 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU, + 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U, + 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U, + 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U, + 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU, + 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU, + 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U, + 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU, + 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U, + 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU, + 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU, + 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U, + 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U, + 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U, + 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU, + 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U, + 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU, + 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U, + 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U, + 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U, + 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU, + 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U, + 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U, + 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U, + 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U, + 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U, + 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U, + 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU, + 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU, + 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U, + 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU, + 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U, + 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU, + 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU, + 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U, + 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU, + 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U, + 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U, + 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U, + 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U, + 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U, + 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U, + 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U, + 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU, + 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U, + 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U, + 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU, + 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U, + 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U, + 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U, + 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U, +}; +const aes_uint Td2[256] = { + 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U, + 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U, + 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U, + 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U, + 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU, + 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U, + 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U, + 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U, + 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U, + 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU, + 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U, + 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U, + 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU, + 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U, + 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U, + 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U, + 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U, + 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U, + 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U, + 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU, + 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U, + 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U, + 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U, + 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U, + 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U, + 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU, + 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU, + 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U, + 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU, + 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U, + 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU, + 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU, + 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU, + 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU, + 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U, + 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U, + 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U, + 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U, + 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U, + 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U, + 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U, + 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU, + 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU, + 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U, + 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U, + 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU, + 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU, + 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U, + 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U, + 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U, + 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U, + 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U, + 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U, + 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U, + 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU, + 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U, + 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U, + 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U, + 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U, + 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U, + 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U, + 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU, + 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U, + 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U, +}; +const aes_uint Td3[256] = { + 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU, + 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU, + 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U, + 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U, + 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU, + 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU, + 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U, + 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU, + 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U, + 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU, + 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U, + 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U, + 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U, + 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U, + 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U, + 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU, + 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU, + 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U, + 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U, + 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU, + 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU, + 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U, + 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U, + 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U, + 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U, + 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU, + 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U, + 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U, + 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU, + 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU, + 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U, + 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U, + 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U, + 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU, + 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U, + 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U, + 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U, + 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U, + 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U, + 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U, + 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U, + 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU, + 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U, + 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U, + 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU, + 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU, + 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U, + 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU, + 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U, + 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U, + 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U, + 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U, + 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U, + 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U, + 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU, + 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU, + 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU, + 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU, + 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U, + 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U, + 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U, + 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU, + 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U, + 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U, +}; +const aes_uint Td4[256] = { + 0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U, + 0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U, + 0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU, + 0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU, + 0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U, + 0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U, + 0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U, + 0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU, + 0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U, + 0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU, + 0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU, + 0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU, + 0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U, + 0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U, + 0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U, + 0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U, + 0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U, + 0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U, + 0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU, + 0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U, + 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U, + 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU, + 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U, + 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U, + 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U, + 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU, + 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U, + 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U, + 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU, + 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U, + 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U, + 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU, + 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U, + 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU, + 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU, + 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U, + 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U, + 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U, + 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U, + 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU, + 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U, + 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U, + 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU, + 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU, + 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU, + 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U, + 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU, + 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U, + 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U, + 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U, + 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U, + 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU, + 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U, + 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU, + 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU, + 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU, + 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU, + 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U, + 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU, + 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U, + 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU, + 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U, + 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U, + 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU, +}; +const aes_uint rcon[] = { + 0x01000000, 0x02000000, 0x04000000, 0x08000000, + 0x10000000, 0x20000000, 0x40000000, 0x80000000, + 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; +#else /* AES_SMALL_TABLES */ +const aes_uchar Td4s[256] = { + 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U, + 0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU, + 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U, + 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU, + 0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU, + 0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU, + 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U, + 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U, + 0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U, + 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U, + 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU, + 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U, + 0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU, + 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U, + 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U, + 0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU, + 0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU, + 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U, + 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U, + 0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU, + 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U, + 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU, + 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U, + 0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U, + 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U, + 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU, + 0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU, + 0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU, + 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U, + 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U, + 0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U, + 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU, +}; +const aes_uchar rcons[] = { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36 + /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; +#endif /* AES_SMALL_TABLES */ +int aes_rijndael_key_setup_enc(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits) +{ + int i; + aes_uint temp; + + rk[0] = GETU32(cipherKey ); + rk[1] = GETU32(cipherKey + 4); + rk[2] = GETU32(cipherKey + 8); + rk[3] = GETU32(cipherKey + 12); + + if (keyBits == 128) { + for (i = 0; i < 10; i++) { + temp = rk[3]; + rk[4] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[5] = rk[1] ^ rk[4]; + rk[6] = rk[2] ^ rk[5]; + rk[7] = rk[3] ^ rk[6]; + rk += 4; + } + return 10; + } + + rk[4] = GETU32(cipherKey + 16); + rk[5] = GETU32(cipherKey + 20); + + if (keyBits == 192) { + for (i = 0; i < 8; i++) { + temp = rk[5]; + rk[6] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[7] = rk[1] ^ rk[6]; + rk[8] = rk[2] ^ rk[7]; + rk[9] = rk[3] ^ rk[8]; + if (i == 7) + return 12; + rk[10] = rk[4] ^ rk[9]; + rk[11] = rk[5] ^ rk[10]; + rk += 6; + } + } + + rk[6] = GETU32(cipherKey + 24); + rk[7] = GETU32(cipherKey + 28); + + if (keyBits == 256) { + for (i = 0; i < 7; i++) { + temp = rk[7]; + rk[8] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[9] = rk[1] ^ rk[8]; + rk[10] = rk[2] ^ rk[9]; + rk[11] = rk[3] ^ rk[10]; + if (i == 6) + return 14; + temp = rk[11]; + rk[12] = rk[4] ^ TE411(temp) ^ TE422(temp) ^ + TE433(temp) ^ TE444(temp); + rk[13] = rk[5] ^ rk[12]; + rk[14] = rk[6] ^ rk[13]; + rk[15] = rk[7] ^ rk[14]; + rk += 8; + } + } + + return -1; +} + +void aes_rijndael_encrypt(const aes_uint rk[], int Nr, const aes_uchar pt[16], aes_uchar ct[16]) +{ + aes_uint s0, s1, s2, s3, t0, t1, t2, t3; +#ifndef AES_FULL_UNROLL + int r; +#endif /* AES_FULL_UNROLL */ + + /* + * map byte array block to cipher state + * and add initial round key: + */ + s0 = GETU32(pt ) ^ rk[0]; + s1 = GETU32(pt + 4) ^ rk[1]; + s2 = GETU32(pt + 8) ^ rk[2]; + s3 = GETU32(pt + 12) ^ rk[3]; + +#define ROUND(i,d,s) \ +d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[4 * i]; \ +d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[4 * i + 1]; \ +d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[4 * i + 2]; \ +d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[4 * i + 3] + +#ifdef AES_FULL_UNROLL + + ROUND(1,t,s); + ROUND(2,s,t); + ROUND(3,t,s); + ROUND(4,s,t); + ROUND(5,t,s); + ROUND(6,s,t); + ROUND(7,t,s); + ROUND(8,s,t); + ROUND(9,t,s); + if (Nr > 10) { + ROUND(10,s,t); + ROUND(11,t,s); + if (Nr > 12) { + ROUND(12,s,t); + ROUND(13,t,s); + } + } + + rk += Nr << 2; + +#else + + /* Nr - 1 full rounds: */ + r = Nr >> 1; + for (;;) { + ROUND(1,t,s); + rk += 8; + if (--r == 0) + break; + ROUND(0,s,t); + } + +#endif /* AES_FULL_UNROLL */ + +#undef ROUND + + /* + * apply last round and + * map cipher state to byte array block: + */ + s0 = TE41(t0) ^ TE42(t1) ^ TE43(t2) ^ TE44(t3) ^ rk[0]; + PUTU32(ct , s0); + s1 = TE41(t1) ^ TE42(t2) ^ TE43(t3) ^ TE44(t0) ^ rk[1]; + PUTU32(ct + 4, s1); + s2 = TE41(t2) ^ TE42(t3) ^ TE43(t0) ^ TE44(t1) ^ rk[2]; + PUTU32(ct + 8, s2); + s3 = TE41(t3) ^ TE42(t0) ^ TE43(t1) ^ TE44(t2) ^ rk[3]; + PUTU32(ct + 12, s3); +} + + +/* AES encrypt interface */ + +void * aes_encrypt_init(const aes_uchar *key, size_t len) +{ + aes_uint *rk; + int res; + rk = malloc(AES_PRIV_SIZE); + if (rk == NULL) + return NULL; + res = aes_rijndael_key_setup_enc(rk, key, len * 8); + if (res < 0) { + free(rk); + return NULL; + } + rk[AES_PRIV_NR_POS] = res; + return rk; +} + + +void aes_encrypt(void *ctx, const aes_uchar *plain, aes_uchar *crypt) +{ + aes_uint *rk = ctx; + aes_rijndael_encrypt(ctx, rk[AES_PRIV_NR_POS], plain, crypt); +} + + +void aes_encrypt_deinit(void *ctx) +{ + memset(ctx, 0, AES_PRIV_SIZE); + free(ctx); +} +int aes_rijndael_key_setup_dec(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits) +{ + int Nr, i, j; + aes_uint temp; + + /* expand the cipher key: */ + Nr = aes_rijndael_key_setup_enc(rk, cipherKey, keyBits); + if (Nr < 0) + return Nr; + /* invert the order of the round keys: */ + for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) { + temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; + temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; + temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; + temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; + } + /* apply the inverse MixColumn transform to all round keys but the + * first and the last: */ + for (i = 1; i < Nr; i++) { + rk += 4; + for (j = 0; j < 4; j++) { + rk[j] = TD0_(TE4((rk[j] >> 24) )) ^ + TD1_(TE4((rk[j] >> 16) & 0xff)) ^ + TD2_(TE4((rk[j] >> 8) & 0xff)) ^ + TD3_(TE4((rk[j] ) & 0xff)); + } + } + + return Nr; +} + +void aes_rijndael_decrypt(const aes_uint rk[], int Nr, const aes_uchar ct[16], aes_uchar pt[16]) +{ + aes_uint s0, s1, s2, s3, t0, t1, t2, t3; +#ifndef AES_FULL_UNROLL + int r; +#endif /* AES_FULL_UNROLL */ + + /* + * map byte array block to cipher state + * and add initial round key: + */ + s0 = GETU32(ct ) ^ rk[0]; + s1 = GETU32(ct + 4) ^ rk[1]; + s2 = GETU32(ct + 8) ^ rk[2]; + s3 = GETU32(ct + 12) ^ rk[3]; + +#define ROUND(i,d,s) \ +d##0 = TD0(s##0) ^ TD1(s##3) ^ TD2(s##2) ^ TD3(s##1) ^ rk[4 * i]; \ +d##1 = TD0(s##1) ^ TD1(s##0) ^ TD2(s##3) ^ TD3(s##2) ^ rk[4 * i + 1]; \ +d##2 = TD0(s##2) ^ TD1(s##1) ^ TD2(s##0) ^ TD3(s##3) ^ rk[4 * i + 2]; \ +d##3 = TD0(s##3) ^ TD1(s##2) ^ TD2(s##1) ^ TD3(s##0) ^ rk[4 * i + 3] + +#ifdef AES_FULL_UNROLL + + ROUND(1,t,s); + ROUND(2,s,t); + ROUND(3,t,s); + ROUND(4,s,t); + ROUND(5,t,s); + ROUND(6,s,t); + ROUND(7,t,s); + ROUND(8,s,t); + ROUND(9,t,s); + if (Nr > 10) { + ROUND(10,s,t); + ROUND(11,t,s); + if (Nr > 12) { + ROUND(12,s,t); + ROUND(13,t,s); + } + } + + rk += Nr << 2; + +#else + + /* Nr - 1 full rounds: */ + r = Nr >> 1; + for (;;) { + ROUND(1,t,s); + rk += 8; + if (--r == 0) + break; + ROUND(0,s,t); + } + +#endif /* AES_FULL_UNROLL */ + +#undef ROUND + + /* + * apply last round and + * map cipher state to byte array block: + */ + s0 = TD41(t0) ^ TD42(t3) ^ TD43(t2) ^ TD44(t1) ^ rk[0]; + PUTU32(pt , s0); + s1 = TD41(t1) ^ TD42(t0) ^ TD43(t3) ^ TD44(t2) ^ rk[1]; + PUTU32(pt + 4, s1); + s2 = TD41(t2) ^ TD42(t1) ^ TD43(t0) ^ TD44(t3) ^ rk[2]; + PUTU32(pt + 8, s2); + s3 = TD41(t3) ^ TD42(t2) ^ TD43(t1) ^ TD44(t0) ^ rk[3]; + PUTU32(pt + 12, s3); +} + + +/* AES decrypt interface */ + +void * aes_decrypt_init(const aes_uchar *key, size_t len) +{ + aes_uint *rk; + int res; + rk = malloc(AES_PRIV_SIZE); + if (rk == NULL) + return NULL; + res = aes_rijndael_key_setup_dec(rk, key, len * 8); + if (res < 0) { + free(rk); + return NULL; + } + rk[AES_PRIV_NR_POS] = res; + return rk; +} + + +void aes_decrypt(void *ctx, const aes_uchar *crypt, aes_uchar *plain) +{ + aes_uint *rk = ctx; + aes_rijndael_decrypt(ctx, rk[AES_PRIV_NR_POS], crypt, plain); +} + + +void aes_decrypt_deinit(void *ctx) +{ + memset(ctx, 0, AES_PRIV_SIZE); + free(ctx); +} diff --git a/MITM/aes-internal.h b/MITM/aes-internal.h new file mode 100644 index 0000000..6b440a5 --- /dev/null +++ b/MITM/aes-internal.h @@ -0,0 +1,113 @@ +#ifndef AES_INTERNAL_H +#define AES_INTERNAL_H + +extern const aes_uint Te0[256]; +extern const aes_uint Te1[256]; +extern const aes_uint Te2[256]; +extern const aes_uint Te3[256]; +extern const aes_uint Te4[256]; +extern const aes_uint Td0[256]; +extern const aes_uint Td1[256]; +extern const aes_uint Td2[256]; +extern const aes_uint Td3[256]; +extern const aes_uint Td4[256]; +extern const aes_uint rcon[10]; +extern const aes_uchar Td4s[256]; +extern const aes_uchar rcons[10]; + +#ifndef AES_SMALL_TABLES + +#define RCON(i) rcon[(i)] + +#define TE0(i) Te0[((i) >> 24) & 0xff] +#define TE1(i) Te1[((i) >> 16) & 0xff] +#define TE2(i) Te2[((i) >> 8) & 0xff] +#define TE3(i) Te3[(i) & 0xff] +#define TE41(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) +#define TE42(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE43(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE44(i) (Te4[(i) & 0xff] & 0x000000ff) +#define TE421(i) (Te4[((i) >> 16) & 0xff] & 0xff000000) +#define TE432(i) (Te4[((i) >> 8) & 0xff] & 0x00ff0000) +#define TE443(i) (Te4[(i) & 0xff] & 0x0000ff00) +#define TE414(i) (Te4[((i) >> 24) & 0xff] & 0x000000ff) +#define TE411(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) +#define TE422(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE433(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE444(i) (Te4[(i) & 0xff] & 0x000000ff) +#define TE4(i) (Te4[(i)] & 0x000000ff) + +#define TD0(i) Td0[((i) >> 24) & 0xff] +#define TD1(i) Td1[((i) >> 16) & 0xff] +#define TD2(i) Td2[((i) >> 8) & 0xff] +#define TD3(i) Td3[(i) & 0xff] +#define TD41(i) (Td4[((i) >> 24) & 0xff] & 0xff000000) +#define TD42(i) (Td4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TD43(i) (Td4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TD44(i) (Td4[(i) & 0xff] & 0x000000ff) +#define TD0_(i) Td0[(i) & 0xff] +#define TD1_(i) Td1[(i) & 0xff] +#define TD2_(i) Td2[(i) & 0xff] +#define TD3_(i) Td3[(i) & 0xff] + +#else /* AES_SMALL_TABLES */ + +#define RCON(i) (rcons[(i)] << 24) + +static inline aes_uint rotr(aes_uint val, int bits) +{ + return (val >> bits) | (val << (32 - bits)); +} + +#define TE0(i) Te0[((i) >> 24) & 0xff] +#define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8) +#define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16) +#define TE3(i) rotr(Te0[(i) & 0xff], 24) +#define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) +#define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) +#define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000) +#define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000) +#define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00) +#define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff) +#define TE411(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) +#define TE422(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE433(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE444(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) +#define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff) + +#define TD0(i) Td0[((i) >> 24) & 0xff] +#define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8) +#define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16) +#define TD3(i) rotr(Td0[(i) & 0xff], 24) +#define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24) +#define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16) +#define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8) +#define TD44(i) (Td4s[(i) & 0xff]) +#define TD0_(i) Td0[(i) & 0xff] +#define TD1_(i) rotr(Td0[(i) & 0xff], 8) +#define TD2_(i) rotr(Td0[(i) & 0xff], 16) +#define TD3_(i) rotr(Td0[(i) & 0xff], 24) + +#endif /* AES_SMALL_TABLES */ + +#define GETU32(pt) (((aes_uint)(pt)[0] << 24) ^ \ + ((aes_uint)(pt)[1] << 16) ^ \ + ((aes_uint)(pt)[2] << 8) ^ \ + ((aes_uint)(pt)[3])) +#define PUTU32(ct, st) { \ + (ct)[0] = (aes_uchar)((st) >> 24); \ + (ct)[1] = (aes_uchar)((st) >> 16); \ + (ct)[2] = (aes_uchar)((st) >> 8); \ + (ct)[3] = (aes_uchar)(st); } + +#define AES_PRIV_SIZE (4 * 4 * 15 + 4) +#define AES_PRIV_NR_POS (4 * 15) + +void aes_rijndael_encrypt(const aes_uint rk[], int Nr, const aes_uchar pt[16], aes_uchar ct[16]); +void aes_rijndael_decrypt(const aes_uint rk[], int Nr, const aes_uchar ct[16], aes_uchar pt[16]); +int aes_rijndael_key_setup_dec(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits); +int aes_rijndael_key_setup_enc(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits); + +#endif /* AES_I_H */ diff --git a/MITM/aes.h b/MITM/aes.h new file mode 100644 index 0000000..3700a2f --- /dev/null +++ b/MITM/aes.h @@ -0,0 +1,70 @@ +#ifndef AES_H +#define AES_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AES_FULL_UNROLL +#define AES_SMALL_TABLES +#define AES_BLOCK_SIZE 16 + +#include "aes-common.h" +#include "aes-internal.h" +#include "aes-debug.h" + +void * aes_encrypt_init(const aes_uchar *key, size_t len); +void aes_encrypt(void *ctx, const aes_uchar *plain, aes_uchar *crypt); +void aes_encrypt_deinit(void *ctx); +void * aes_decrypt_init(const aes_uchar *key, size_t len); +void aes_decrypt(void *ctx, const aes_uchar *crypt, aes_uchar *plain); +void aes_decrypt_deinit(void *ctx); + +int AES_WARN_UNUSED_RESULT aes_wrap(const aes_uchar *kek, int n, const aes_uchar *plain, aes_uchar *cipher); +int AES_WARN_UNUSED_RESULT aes_unwrap(const aes_uchar *kek, int n, const aes_uchar *cipher, aes_uchar *plain); +int AES_WARN_UNUSED_RESULT omac1_aes_128_vector(const aes_uchar *key, size_t num_elem, + const aes_uchar *addr[], const size_t *len, + aes_uchar *mac); +int AES_WARN_UNUSED_RESULT omac1_aes_128(const aes_uchar *key, const aes_uchar *data, size_t data_len, + aes_uchar *mac); +int AES_WARN_UNUSED_RESULT aes_128_encrypt_block(const aes_uchar *key, const aes_uchar *in, aes_uchar *out); +int AES_WARN_UNUSED_RESULT aes_128_ctr_encrypt(const aes_uchar *key, const aes_uchar *nonce, + aes_uchar *data, size_t data_len); +int AES_WARN_UNUSED_RESULT aes_128_eax_encrypt(const aes_uchar *key, + const aes_uchar *nonce, size_t nonce_len, + const aes_uchar *hdr, size_t hdr_len, + aes_uchar *data, size_t data_len, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_128_eax_decrypt(const aes_uchar *key, + const aes_uchar *nonce, size_t nonce_len, + const aes_uchar *hdr, size_t hdr_len, + aes_uchar *data, size_t data_len, const aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_128_cbc_encrypt(const aes_uchar *key, const aes_uchar *iv, aes_uchar *data, + size_t data_len); +int AES_WARN_UNUSED_RESULT aes_128_cbc_decrypt(const aes_uchar *key, const aes_uchar *iv, aes_uchar *data, + size_t data_len); +int AES_WARN_UNUSED_RESULT aes_gcm_ae(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, + aes_uchar *crypt, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_gcm_ad(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *tag, + aes_uchar *plain); +int AES_WARN_UNUSED_RESULT aes_gmac(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_ccm_ae(const aes_uchar *key, size_t key_len, const aes_uchar *nonce, + size_t M, const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *crypt, aes_uchar *auth); +int AES_WARN_UNUSED_RESULT aes_ccm_ad(const aes_uchar *key, size_t key_len, const aes_uchar *nonce, + size_t M, const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *auth, + aes_uchar *plain); + +#ifdef __cplusplus +} +#endif + +#endif /* AES_H */ diff --git a/MITM/makefile b/MITM/makefile new file mode 100644 index 0000000..2ce8a0d --- /dev/null +++ b/MITM/makefile @@ -0,0 +1,8 @@ +MITM:MITM.c aes-debug.o aes-gcm.o aes-internal.o + gcc MITM.c -o MITM aes-debug.o aes-gcm.o aes-internal.o -l gmp -l pcap +aes-debug.o:aes-debug.c + gcc -c aes-debug.c -o aes-debug.o +aes-gcm.o:aes-gcm.c + gcc -c aes-gcm.c -o aes-gcm.o +aes-internal.o:aes-internal.c + gcc -c aes-internal.c -o aes-internal.o diff --git a/client/Diffie_hellman.c b/client/Diffie_hellman.c new file mode 100644 index 0000000..49b3b47 --- /dev/null +++ b/client/Diffie_hellman.c @@ -0,0 +1,142 @@ +#include +#include +#include +#include +#include +typedef struct{ + mpz_t prime; + mpz_t base; + mpz_t private_key; + mpz_t public_key; + mpz_t key; //g^(AB) + FILE *urand; +}Dh_key; +void generate_random(size_t sz, unsigned char* random_bytes,Dh_key* dhk) +{ + unsigned int init_random = 0; + size_t i = 0; + + if(0 == sz || NULL == random_bytes) + { + fprintf(stderr, "Wrong params for generate_random()\n"); + exit(1); + } + init_random ^= ((unsigned int)fgetc(dhk->urand) << 8)|fgetc(dhk->urand); + srand(init_random); + for(i = 0; i < sz; i++) + { + random_bytes[i] = rand(); + } +} + +void print_hex(unsigned char* value, unsigned int len){ + //printf("%d:",len); + printf("exchange key:"); + for(int i=0;iprivate_key) + { + fprintf(stderr, "Wrong params for generate_key()\n"); + exit(1); + } + random_bytes = (unsigned char *)malloc(sz*sizeof(unsigned char)); + if(NULL == random_bytes) + { + fprintf(stderr, "Failed to allocate random bytes array for the private key\n"); + exit(1); + } + generate_random(sz, random_bytes, dhk); + mpz_import(dhk->private_key, 1, -1, sz, -1, 0, (const void*)random_bytes); + free(random_bytes); +} + +void init_prime(size_t sz,Dh_key* dhk) +{ + mpz_t tmp; + mpz_t x; + unsigned char* random_bytes = NULL; + + + if(0 == sz) + { + fprintf(stderr, "Wrong params for init_prime()\n"); + exit(1); + } + + mpz_init(tmp); + mpz_init(x); + + random_bytes = (unsigned char *)malloc(sz*sizeof(unsigned char)); + if(NULL == random_bytes) + { + fprintf(stderr, "Failed to allocate random bytes array for the prime number\n"); + exit(1); + } + while (1) + { + generate_random(sz, random_bytes,dhk); + random_bytes[sz-1] |= (unsigned char)0x40; + random_bytes[0] |= (unsigned char)1; + + mpz_import(tmp, 1, -1, sz, -1, 0, (const void*)random_bytes); + while (0 == mpz_probab_prime_p(tmp, 10)) + { + mpz_add_ui(tmp, tmp, 2); + } + mpz_mul_ui(dhk->prime, tmp, 2); + mpz_add_ui(dhk->prime, dhk->prime, 1); + if (0 != mpz_probab_prime_p(dhk->prime, 10)) + { + break; + } + } + free(random_bytes); + + mpz_set_ui(dhk->base, (unsigned long)2); + + mpz_clear(tmp); + mpz_clear(x); +} + +void init_numbers(Dh_key* dhk) +{ + mpz_init(dhk->key); + mpz_init(dhk->prime); + mpz_init(dhk->base); + mpz_init(dhk->private_key); + mpz_init(dhk->public_key); +} + +void clear_numbers(Dh_key* dhk) +{ + mpz_clear(dhk->key); + mpz_clear(dhk->prime); + mpz_clear(dhk->base); + mpz_clear(dhk->private_key); + mpz_clear(dhk->public_key); +} diff --git a/client/aes-common.h b/client/aes-common.h new file mode 100644 index 0000000..254a85c --- /dev/null +++ b/client/aes-common.h @@ -0,0 +1,246 @@ +#ifndef AES_COMMON_H +#define AES_COMMON_H + +#include +#include +#include +#include +#include + + +/* integer types */ + +typedef unsigned char aes_uchar; +typedef unsigned short aes_ushort; +typedef unsigned int aes_uint; +typedef unsigned long long aes_ulong; +typedef signed char aes_char; +typedef signed short aes_short; +typedef signed int aes_int; +typedef signed long long aes_long; + + +/* byte order */ + +#if defined(__linux__) || defined(__GLIBC__) +#include +#include +#endif /* defined(__linux__) || defined(__GLIBC__) */ + +#if defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) || defined(__OpenBSD__) +#include +#include +#define __BYTE_ORDER _BYTE_ORDER +#define __LITTLE_ENDIAN _LITTLE_ENDIAN +#define __BIG_ENDIAN _BIG_ENDIAN +#endif /* defined(__FreeBSD__) || defined(__NetBSD__) || + * defined(__DragonFly__) || defined(__OpenBSD__) */ + +#ifdef sun +#include +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#ifdef _LITTLE_ENDIAN +#define __BYTE_ORDER __LITTLE_ENDIAN +#else +#define __BYTE_ORDER __BIG_ENDIAN +#endif +#endif + +#ifdef _MSC_VER +#define inline __inline +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif /* _MSC_VER */ + +#ifdef __APPLE__ +#include +#include +#define __BYTE_ORDER BYTE_ORDER +#define __LITTLE_ENDIAN LITTLE_ENDIAN +#define __BIG_ENDIAN BIG_ENDIAN +#endif /* __APPLE__ */ + + +/* byte swap macros */ + +#ifndef bswap_16 +#define bswap_16(a) ((((aes_ushort) (a) & 0xff00) >> 8) | \ + (((aes_ushort) (a) & 0x00ff) << 8)) +#endif + +#ifndef bswap_32 +#if defined __GNUC__ +#define bswap_32(a) __builtin_bswap32(a) +#else +#define bswap_32(a) ((((aes_uint) (a) & 0xff000000) >> 24) | \ + (((aes_uint) (a) & 0x00ff0000) >> 8) | \ + (((aes_uint) (a) & 0x0000ff00) << 8) | \ + (((aes_uint) (a) & 0x000000ff) << 24)) +#endif +#endif + +#ifndef bswap_64 +#if defined __GNUC__ +#define bswap_64(a) __builtin_bswap64(a) +#else +#define bswap_64(a) ((((aes_ulong) (a) & 0xff00000000000000ull) >> 56) | \ + (((aes_ulong) (a) & 0x00ff000000000000ull) >> 40) | \ + (((aes_ulong) (a) & 0x0000ff0000000000ull) >> 24) | \ + (((aes_ulong) (a) & 0x000000ff00000000ull) >> 8) | \ + (((aes_ulong) (a) & 0x00000000ff000000ull) << 8) | \ + (((aes_ulong) (a) & 0x0000000000ff0000ull) << 24) | \ + (((aes_ulong) (a) & 0x000000000000ff00ull) << 40) | \ + (((aes_ulong) (a) & 0x00000000000000ffull) << 56)) +#endif +#endif + + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define __ENDIAN_LITTLE__ 1 /* OpenCL */ +#define le_to_host16(n) (n) +#define host_to_le16(n) (n) +#define be_to_host16(n) bswap_16(n) +#define host_to_be16(n) bswap_16(n) +#define le_to_host32(n) (n) +#define host_to_le32(n) (n) +#define be_to_host32(n) bswap_32(n) +#define host_to_be32(n) bswap_32(n) +#define le_to_host64(n) (n) +#define host_to_le64(n) (n) +#define be_to_host64(n) bswap_64(n) +#define host_to_be64(n) bswap_64(n) +#elif __BYTE_ORDER == __BIG_ENDIAN +#define le_to_host16(n) bswap_16(n) +#define host_to_le16(n) bswap_16(n) +#define be_to_host16(n) (n) +#define host_to_be16(n) (n) +#define le_to_host32(n) bswap_32(n) +#define host_to_le32(n) bswap_32(n) +#define be_to_host32(n) (n) +#define host_to_be32(n) (n) +#define le_to_host64(n) bswap_64(n) +#define host_to_le64(n) bswap_64(n) +#define be_to_host64(n) (n) +#define host_to_be64(n) (n) +#else +#error Could not determine CPU byte order +#endif + + +/* unaligned memory accesses */ + +static inline aes_ushort AES_GET_BE16(const aes_uchar *a) +{ + return (a[0] << 8) | a[1]; +} + +static inline void AES_PUT_BE16(aes_uchar *a, aes_ushort val) +{ + a[0] = val >> 8; + a[1] = val & 0xff; +} + +static inline aes_ushort AES_GET_LE16(const aes_uchar *a) +{ + return (a[1] << 8) | a[0]; +} + +static inline void AES_PUT_LE16(aes_uchar *a, aes_ushort val) +{ + a[1] = val >> 8; + a[0] = val & 0xff; +} + +static inline aes_uint AES_GET_BE24(const aes_uchar *a) +{ + return (a[0] << 16) | (a[1] << 8) | a[2]; +} + +static inline void AES_PUT_BE24(aes_uchar *a, aes_uint val) +{ + a[0] = (val >> 16) & 0xff; + a[1] = (val >> 8) & 0xff; + a[2] = val & 0xff; +} + +static inline aes_uint AES_GET_BE32(const aes_uchar *a) +{ + return (a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3]; +} + +static inline void AES_PUT_BE32(aes_uchar *a, aes_uint val) +{ + a[0] = (val >> 24) & 0xff; + a[1] = (val >> 16) & 0xff; + a[2] = (val >> 8) & 0xff; + a[3] = val & 0xff; +} + +static inline aes_uint AES_GET_LE32(const aes_uchar *a) +{ + return (a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0]; +} + +static inline void AES_PUT_LE32(aes_uchar *a, aes_uint val) +{ + a[3] = (val >> 24) & 0xff; + a[2] = (val >> 16) & 0xff; + a[1] = (val >> 8) & 0xff; + a[0] = val & 0xff; +} + +static inline aes_ulong AES_GET_BE64(const aes_uchar *a) +{ + return (((aes_ulong) a[0]) << 56) | (((aes_ulong) a[1]) << 48) | + (((aes_ulong) a[2]) << 40) | (((aes_ulong) a[3]) << 32) | + (((aes_ulong) a[4]) << 24) | (((aes_ulong) a[5]) << 16) | + (((aes_ulong) a[6]) << 8) | ((aes_ulong) a[7]); +} + +static inline void AES_PUT_BE64(aes_uchar *a, aes_ulong val) +{ + a[0] = val >> 56; + a[1] = val >> 48; + a[2] = val >> 40; + a[3] = val >> 32; + a[4] = val >> 24; + a[5] = val >> 16; + a[6] = val >> 8; + a[7] = val & 0xff; +} + +static inline aes_ulong AES_GET_LE64(const aes_uchar *a) +{ + return (((aes_ulong) a[7]) << 56) | (((aes_ulong) a[6]) << 48) | + (((aes_ulong) a[5]) << 40) | (((aes_ulong) a[4]) << 32) | + (((aes_ulong) a[3]) << 24) | (((aes_ulong) a[2]) << 16) | + (((aes_ulong) a[1]) << 8) | ((aes_ulong) a[0]); +} + +static inline void AES_PUT_LE64(aes_uchar *a, aes_ulong val) +{ + a[7] = val >> 56; + a[6] = val >> 48; + a[5] = val >> 40; + a[4] = val >> 32; + a[3] = val >> 24; + a[2] = val >> 16; + a[1] = val >> 8; + a[0] = val & 0xff; +} + + +/* function attribute macros */ + +#ifndef AES_WARN_UNUSED_RESULT +#if defined __GNUC__ +#define AES_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) +#else +#define AES_WARN_UNUSED_RESULT +#endif /* __GNUC__ */ +#endif /* AES_WARN_UNUSED_RESULT */ + +#endif /* AES_COMMON_H */ diff --git a/client/aes-debug.c b/client/aes-debug.c new file mode 100644 index 0000000..9161390 --- /dev/null +++ b/client/aes-debug.c @@ -0,0 +1,166 @@ +#define AES_DEBUG + +#include "aes.h" + +int aes_debug_level = MSG_EXCESSIVE; +int aes_debug_show_keys = 1; +int aes_debug_timestamp = 1; + +#if defined(_MSC_VER) || ( defined(__WIN32__) && !defined(__CYGWIN__)) + +#include +#include + +const __int64 DELTA_EPOCH_IN_MICROSECS= 11644473600000000; + +int gettimeofday(struct timeval *tv, struct timezone *tz) +{ + FILETIME ft; + __int64 tmpres = 0; + TIME_ZONE_INFORMATION tz_winapi; + int ret = 0; + + ZeroMemory(&ft,sizeof(ft)); + ZeroMemory(&tz_winapi,sizeof(tz_winapi)); + + GetSystemTimeAsFileTime(&ft); + + tmpres = ft.dwHighDateTime; + tmpres <<= 32; + tmpres |= ft.dwLowDateTime; + + /*converting file time to unix epoch*/ + tmpres /= 10; /*convert into microseconds*/ + tmpres -= DELTA_EPOCH_IN_MICROSECS; + tv->tv_sec = (__int32)(tmpres*0.000001); + tv->tv_usec =(tmpres%1000000); + + if (tz) { + ret = GetTimeZoneInformation(&tz_winapi); + tz->tz_dsttime = (ret == 2) ? true : false; + tz->tz_minuteswest = tz_winapi.Bias + ((rez==2)?tz_winapi.DaylightBias:0); + } + + return 0; +} + +#endif + + +void aes_debug_print_timestamp(void) +{ + struct timeval tv; + + if (!aes_debug_timestamp) + return; + + gettimeofday(&tv, NULL); + printf("%ld.%06u: ", (long) tv.tv_sec, (unsigned int) tv.tv_usec); +} + + +void aes_printf(int level, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (level >= aes_debug_level) { + aes_debug_print_timestamp(); + vprintf(fmt, ap); + printf("\n"); + } + va_end(ap); +} + + +static void _aes_hexdump(int level, const char *title, const aes_uchar *buf, + size_t len, int show) +{ + size_t i; + + if (level < aes_debug_level) + return; + + aes_debug_print_timestamp(); + printf("%s - hexdump(len=%lu):", title, (unsigned long) len); + if (buf == NULL) { + printf(" [NULL]"); + } else if (show) { + for (i = 0; i < len; i++) + printf(" %02x", buf[i]); + } else { + printf(" [REDACTED]"); + } + printf("\n"); +} + + +void aes_hexdump(int level, const char *title, const void *buf, size_t len) +{ + _aes_hexdump(level, title, buf, len, 1); +} + + +void aes_hexdump_key(int level, const char *title, const void *buf, size_t len) +{ + _aes_hexdump(level, title, buf, len, aes_debug_show_keys); +} + + +static void _aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len, int show) +{ + size_t i, llen; + const aes_uchar *pos = buf; + const size_t line_len = 16; + + if (level < aes_debug_level) + return; + + aes_debug_print_timestamp(); + if (!show) { + printf("%s - hexdump_ascii(len=%lu): [REDACTED]\n", + title, (unsigned long) len); + return; + } + if (buf == NULL) { + printf("%s - hexdump_ascii(len=%lu): [NULL]\n", + title, (unsigned long) len); + return; + } + printf("%s - hexdump_ascii(len=%lu):\n", title, (unsigned long) len); + while (len) { + llen = len > line_len ? line_len : len; + printf(" "); + for (i = 0; i < llen; i++) + printf(" %02x", pos[i]); + for (i = llen; i < line_len; i++) + printf(" "); + printf(" "); + for (i = 0; i < llen; i++) { + if (isprint(pos[i])) + printf("%c", pos[i]); + else + printf("_"); + } + for (i = llen; i < line_len; i++) + printf(" "); + printf("\n"); + pos += llen; + len -= llen; + } +} + + +void aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len) +{ + _aes_hexdump_ascii(level, title, buf, len, 1); +} + + +void aes_hexdump_ascii_key(int level, const char *title, const void *buf, + size_t len) +{ + _aes_hexdump_ascii(level, title, buf, len, aes_debug_show_keys); +} diff --git a/client/aes-debug.h b/client/aes-debug.h new file mode 100644 index 0000000..c18f9ff --- /dev/null +++ b/client/aes-debug.h @@ -0,0 +1,60 @@ +#ifndef AES_DEBUG_H +#define AES_DEBUG_H + +/* gettimeofday */ + +#if defined(_MSC_VER) || ( defined(__WIN32__) && !defined(__CYGWIN__)) + +struct timezone +{ + int tz_minuteswest; /* minutes west of Greenwich */ + int tz_dsttime; /* type of dst correction */ +}; + +struct timeval { + int tv_sec; + int tv_usec; +}; + +extern int gettimeofday(struct timeval *tv, struct timezone *tz); + +#else +#include +#endif + +/* Debugging function - conditional printf and hex dump */ + +enum { + MSG_EXCESSIVE, MSG_MSGDUMP, MSG_DEBUG, MSG_INFO, MSG_WARNING, MSG_ERROR +}; + +extern int aes_debug_level; +extern int aes_debug_show_keys; +extern int aes_debug_timestamp; + +#ifndef AES_DEBUG + +#define aes_debug_print_timestamp() do { } while (0) +#define aes_printf(args...) do { } while (0) +#define aes_hexdump(l,t,b,le) do { } while (0) +#define aes_hexdump_buf(l,t,b) do { } while (0) +#define aes_hexdump_key(l,t,b,le) do { } while (0) +#define aes_hexdump_buf_key(l,t,b) do { } while (0) +#define aes_hexdump_ascii(l,t,b,le) do { } while (0) +#define aes_hexdump_ascii_key(l,t,b,le) do { } while (0) +#define aes_dbg(args...) do { } while (0) + +#else +void aes_debug_print_timestamp(void); +void aes_printf(int level, const char *fmt, ...) __attribute__ ((format (printf, (2), (3)))); +void aes_hexdump(int level, const char *title, const void *buf, size_t len); +void aes_hexdump_key(int level, const char *title, const void *buf, size_t len); +void aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len); + +void aes_hexdump_ascii_key(int level, const char *title, const void *buf, + size_t len); + +#endif /* AES_DEBUG_STDOUT */ + +#endif /* AES_DEBUG_H */ diff --git a/client/aes-gcm.c b/client/aes-gcm.c new file mode 100644 index 0000000..e46a2ad --- /dev/null +++ b/client/aes-gcm.c @@ -0,0 +1,312 @@ +#include "aes.h" + +static void inc32(aes_uchar *block) +{ + aes_uint val; + val = AES_GET_BE32(block + AES_BLOCK_SIZE - 4); + val++; + AES_PUT_BE32(block + AES_BLOCK_SIZE - 4, val); +} + + +static void xor_block(aes_uchar *dst, const aes_uchar *src) +{ + aes_uint *d = (aes_uint *) dst; + aes_uint *s = (aes_uint *) src; + *d++ ^= *s++; + *d++ ^= *s++; + *d++ ^= *s++; + *d++ ^= *s++; +} + + +static void shift_right_block(aes_uchar *v) +{ + aes_uint val; + + val = AES_GET_BE32(v + 12); + val >>= 1; + if (v[11] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 12, val); + + val = AES_GET_BE32(v + 8); + val >>= 1; + if (v[7] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 8, val); + + val = AES_GET_BE32(v + 4); + val >>= 1; + if (v[3] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 4, val); + + val = AES_GET_BE32(v); + val >>= 1; + AES_PUT_BE32(v, val); +} + + +/* Multiplication in GF(2^128) */ +static void gf_mult(const aes_uchar *x, const aes_uchar *y, aes_uchar *z) +{ + aes_uchar v[16]; + int i, j; + + memset(z, 0, 16); /* Z_0 = 0^128 */ + memcpy(v, y, 16); /* V_0 = Y */ + + for (i = 0; i < 16; i++) { + for (j = 0; j < 8; j++) { + if (x[i] & 1 << (7 - j)) { + /* Z_(i + 1) = Z_i XOR V_i */ + xor_block(z, v); + } else { + /* Z_(i + 1) = Z_i */ + } + + if (v[15] & 0x01) { + /* V_(i + 1) = (V_i >> 1) XOR R */ + shift_right_block(v); + /* R = 11100001 || 0^120 */ + v[0] ^= 0xe1; + } else { + /* V_(i + 1) = V_i >> 1 */ + shift_right_block(v); + } + } + } +} + + +static void ghash_start(aes_uchar *y) +{ + /* Y_0 = 0^128 */ + memset(y, 0, 16); +} + + +static void ghash(const aes_uchar *h, const aes_uchar *x, size_t xlen, aes_uchar *y) +{ + size_t m, i; + const aes_uchar *xpos = x; + aes_uchar tmp[16]; + + m = xlen / 16; + + for (i = 0; i < m; i++) { + /* Y_i = (Y^(i-1) XOR X_i) dot H */ + xor_block(y, xpos); + xpos += 16; + + /* dot operation: + * multiplication operation for binary Galois (finite) field of + * 2^128 elements */ + gf_mult(y, h, tmp); + memcpy(y, tmp, 16); + } + + if (x + xlen > xpos) { + /* Add zero padded last block */ + size_t last = x + xlen - xpos; + memcpy(tmp, xpos, last); + memset(tmp + last, 0, sizeof(tmp) - last); + + /* Y_i = (Y^(i-1) XOR X_i) dot H */ + xor_block(y, tmp); + + /* dot operation: + * multiplication operation for binary Galois (finite) field of + * 2^128 elements */ + gf_mult(y, h, tmp); + memcpy(y, tmp, 16); + } + + /* Return Y_m */ +} + + +static void aes_gctr(void *aes, const aes_uchar *icb, const aes_uchar *x, size_t xlen, aes_uchar *y) +{ + size_t i, n, last; + aes_uchar cb[AES_BLOCK_SIZE], tmp[AES_BLOCK_SIZE]; + const aes_uchar *xpos = x; + aes_uchar *ypos = y; + + if (xlen == 0) + return; + + n = xlen / 16; + + memcpy(cb, icb, AES_BLOCK_SIZE); + /* Full blocks */ + for (i = 0; i < n; i++) { + aes_encrypt(aes, cb, ypos); + xor_block(ypos, xpos); + xpos += AES_BLOCK_SIZE; + ypos += AES_BLOCK_SIZE; + inc32(cb); + } + + last = x + xlen - xpos; + if (last) { + /* Last, partial block */ + aes_encrypt(aes, cb, tmp); + for (i = 0; i < last; i++) + *ypos++ = *xpos++ ^ tmp[i]; + } +} + + +static void * aes_gcm_init_hash_subkey(const aes_uchar *key, size_t key_len, aes_uchar *H) +{ + void *aes; + + aes = aes_encrypt_init(key, key_len); + if (aes == NULL) + return NULL; + + /* Generate hash subkey H = AES_K(0^128) */ + memset(H, 0, AES_BLOCK_SIZE); + aes_encrypt(aes, H, H); + aes_hexdump_key(MSG_EXCESSIVE, "Hash subkey H for GHASH", H, AES_BLOCK_SIZE); + return aes; +} + + +static void aes_gcm_prepare_j0(const aes_uchar *iv, size_t iv_len, const aes_uchar *H, aes_uchar *J0) +{ + aes_uchar len_buf[16]; + + if (iv_len == 12) { + /* Prepare block J_0 = IV || 0^31 || 1 [len(IV) = 96] */ + memcpy(J0, iv, iv_len); + memset(J0 + iv_len, 0, AES_BLOCK_SIZE - iv_len); + J0[AES_BLOCK_SIZE - 1] = 0x01; + } else { + /* + * s = 128 * ceil(len(IV)/128) - len(IV) + * J_0 = GHASH_H(IV || 0^(s+64) || [len(IV)]_64) + */ + ghash_start(J0); + ghash(H, iv, iv_len, J0); + AES_PUT_BE64(len_buf, 0); + AES_PUT_BE64(len_buf + 8, iv_len * 8); + ghash(H, len_buf, sizeof(len_buf), J0); + } +} + + +static void aes_gcm_gctr(void *aes, const aes_uchar *J0, const aes_uchar *in, size_t len, + aes_uchar *out) +{ + aes_uchar J0inc[AES_BLOCK_SIZE]; + + if (len == 0) + return; + + memcpy(J0inc, J0, AES_BLOCK_SIZE); + inc32(J0inc); + aes_gctr(aes, J0inc, in, len, out); +} + + +static void aes_gcm_ghash(const aes_uchar *H, const aes_uchar *aad, size_t aad_len, + const aes_uchar *crypt, size_t crypt_len, aes_uchar *S) +{ + aes_uchar len_buf[16]; + + /* + * u = 128 * ceil[len(C)/128] - len(C) + * v = 128 * ceil[len(A)/128] - len(A) + * S = GHASH_H(A || 0^v || C || 0^u || [len(A)]64 || [len(C)]64) + * (i.e., zero padded to block size A || C and lengths of each in bits) + */ + ghash_start(S); + ghash(H, aad, aad_len, S); + ghash(H, crypt, crypt_len, S); + AES_PUT_BE64(len_buf, aad_len * 8); + AES_PUT_BE64(len_buf + 8, crypt_len * 8); + ghash(H, len_buf, sizeof(len_buf), S); + + aes_hexdump_key(MSG_EXCESSIVE, "S = GHASH_H(...)", S, 16); +} + + +/** + * aes_gcm_ae - GCM-AE_K(IV, P, A) + */ +int aes_gcm_ae(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *crypt, aes_uchar *tag) +{ + aes_uchar H[AES_BLOCK_SIZE]; + aes_uchar J0[AES_BLOCK_SIZE]; + aes_uchar S[16]; + void *aes; + + aes = aes_gcm_init_hash_subkey(key, key_len, H); + if (aes == NULL) + return -1; + + aes_gcm_prepare_j0(iv, iv_len, H, J0); + + /* C = GCTR_K(inc_32(J_0), P) */ + aes_gcm_gctr(aes, J0, plain, plain_len, crypt); + + aes_gcm_ghash(H, aad, aad_len, crypt, plain_len, S); + + /* T = MSB_t(GCTR_K(J_0, S)) */ + aes_gctr(aes, J0, S, sizeof(S), tag); + + /* Return (C, T) */ + + aes_encrypt_deinit(aes); + + return 0; +} + + +/** + * aes_gcm_ad - GCM-AD_K(IV, C, A, T) + */ +int aes_gcm_ad(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *tag, aes_uchar *plain) +{ + aes_uchar H[AES_BLOCK_SIZE]; + aes_uchar J0[AES_BLOCK_SIZE]; + aes_uchar S[16], T[16]; + void *aes; + + aes = aes_gcm_init_hash_subkey(key, key_len, H); + if (aes == NULL) + return -1; + + aes_gcm_prepare_j0(iv, iv_len, H, J0); + + /* P = GCTR_K(inc_32(J_0), C) */ + aes_gcm_gctr(aes, J0, crypt, crypt_len, plain); + + aes_gcm_ghash(H, aad, aad_len, crypt, crypt_len, S); + + /* T' = MSB_t(GCTR_K(J_0, S)) */ + aes_gctr(aes, J0, S, sizeof(S), T); + + aes_encrypt_deinit(aes); + + if (memcmp(tag, T, 16) != 0) { + aes_printf(MSG_EXCESSIVE, "GCM: Tag mismatch"); + return -1; + } + + return 0; +} + + +int aes_gmac(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *tag) +{ + return aes_gcm_ae(key, key_len, iv, iv_len, NULL, 0, aad, aad_len, NULL, tag); +} diff --git a/client/aes-internal.c b/client/aes-internal.c new file mode 100644 index 0000000..2b2a18a --- /dev/null +++ b/client/aes-internal.c @@ -0,0 +1,1021 @@ +#include "aes.h" +#include "aes-internal.h" +const aes_uint Te0[256] = { + 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, + 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, + 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU, + 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU, + 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, + 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, + 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, + 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU, + 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU, + 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, + 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, + 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU, + 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU, + 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U, + 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, + 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, + 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, + 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU, + 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU, + 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, + 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, + 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, + 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU, + 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU, + 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, + 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, + 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, + 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U, + 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU, + 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, + 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, + 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, + 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU, + 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U, + 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, + 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, + 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, + 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U, + 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU, + 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, + 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, + 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, + 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U, + 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU, + 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, + 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, + 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, + 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U, + 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U, + 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, + 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, + 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, + 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU, + 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U, + 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, + 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, + 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U, + 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U, + 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U, + 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, + 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, + 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, + 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U, + 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU, +}; +#ifndef AES_SMALL_TABLES +const aes_uint Te1[256] = { + 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, + 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, + 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU, + 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U, + 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, + 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, + 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, + 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U, + 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U, + 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, + 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, + 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, + 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U, + 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU, + 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, + 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, + 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, + 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U, + 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U, + 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, + 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, + 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, + 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U, + 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU, + 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, + 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, + 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, + 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U, + 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU, + 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, + 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, + 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, + 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU, + 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U, + 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, + 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, + 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, + 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U, + 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U, + 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, + 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, + 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, + 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U, + 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U, + 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, + 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, + 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, + 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U, + 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU, + 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, + 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, + 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, + 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U, + 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU, + 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, + 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, + 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, + 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U, + 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U, + 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, + 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, + 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, + 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU, + 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U, +}; +const aes_uint Te2[256] = { + 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, + 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, + 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU, + 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U, + 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, + 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, + 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, + 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U, + 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U, + 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, + 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, + 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U, + 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U, + 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU, + 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, + 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, + 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, + 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U, + 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U, + 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, + 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, + 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, + 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U, + 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU, + 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, + 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, + 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, + 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U, + 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU, + 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, + 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, + 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, + 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU, + 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U, + 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, + 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, + 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, + 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U, + 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U, + 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, + 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, + 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, + 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U, + 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U, + 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, + 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, + 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, + 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U, + 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU, + 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, + 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, + 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, + 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U, + 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU, + 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, + 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, + 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U, + 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U, + 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U, + 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, + 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, + 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, + 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU, + 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U, +}; +const aes_uint Te3[256] = { + 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, + 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, + 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U, + 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU, + 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, + 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, + 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, + 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU, + 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU, + 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, + 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, + 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU, + 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU, + 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU, + 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, + 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, + 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, + 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU, + 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU, + 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, + 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, + 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, + 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U, + 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U, + 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, + 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, + 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, + 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU, + 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U, + 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, + 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, + 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, + 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U, + 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU, + 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, + 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, + 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, + 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU, + 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U, + 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, + 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, + 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, + 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U, + 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U, + 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, + 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, + 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, + 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U, + 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU, + 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, + 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, + 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, + 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU, + 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU, + 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, + 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, + 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U, + 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U, + 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U, + 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, + 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, + 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, + 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU, + 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU, +}; +const aes_uint Te4[256] = { + 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU, + 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U, + 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU, + 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U, + 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU, + 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U, + 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU, + 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U, + 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U, + 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU, + 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U, + 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U, + 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U, + 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU, + 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U, + 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U, + 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU, + 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U, + 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U, + 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U, + 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU, + 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU, + 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U, + 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU, + 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU, + 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U, + 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU, + 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U, + 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU, + 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U, + 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U, + 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U, + 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU, + 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U, + 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU, + 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U, + 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU, + 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U, + 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U, + 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU, + 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU, + 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU, + 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U, + 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U, + 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU, + 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U, + 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU, + 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U, + 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU, + 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U, + 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU, + 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU, + 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U, + 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU, + 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U, + 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU, + 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U, + 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U, + 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U, + 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU, + 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU, + 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U, + 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU, + 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U, +}; +#endif /* AES_SMALL_TABLES */ +const aes_uint Td0[256] = { + 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U, + 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U, + 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U, + 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU, + 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U, + 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U, + 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU, + 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U, + 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU, + 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U, + 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U, + 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U, + 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U, + 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU, + 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U, + 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU, + 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U, + 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU, + 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U, + 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U, + 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U, + 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU, + 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U, + 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU, + 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U, + 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU, + 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U, + 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU, + 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU, + 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U, + 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU, + 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U, + 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU, + 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U, + 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U, + 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U, + 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU, + 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U, + 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U, + 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU, + 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U, + 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U, + 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U, + 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U, + 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U, + 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU, + 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U, + 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U, + 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U, + 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U, + 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U, + 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU, + 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU, + 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU, + 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU, + 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U, + 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U, + 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU, + 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU, + 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U, + 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU, + 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U, + 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U, + 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U, +}; +#ifndef AES_SMALL_TABLES +const aes_uint Td1[256] = { + 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU, + 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U, + 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU, + 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U, + 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U, + 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U, + 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U, + 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U, + 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U, + 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU, + 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU, + 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU, + 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U, + 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU, + 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U, + 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U, + 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U, + 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU, + 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU, + 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U, + 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU, + 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U, + 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU, + 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU, + 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U, + 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U, + 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U, + 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU, + 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U, + 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU, + 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U, + 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U, + 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U, + 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU, + 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U, + 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U, + 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U, + 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U, + 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U, + 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U, + 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU, + 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU, + 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U, + 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU, + 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U, + 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU, + 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU, + 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U, + 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU, + 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U, + 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U, + 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U, + 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U, + 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U, + 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U, + 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U, + 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU, + 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U, + 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U, + 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU, + 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U, + 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U, + 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U, + 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U, +}; +const aes_uint Td2[256] = { + 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U, + 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U, + 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U, + 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U, + 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU, + 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U, + 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U, + 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U, + 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U, + 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU, + 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U, + 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U, + 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU, + 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U, + 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U, + 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U, + 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U, + 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U, + 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U, + 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU, + 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U, + 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U, + 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U, + 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U, + 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U, + 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU, + 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU, + 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U, + 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU, + 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U, + 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU, + 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU, + 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU, + 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU, + 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U, + 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U, + 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U, + 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U, + 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U, + 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U, + 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U, + 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU, + 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU, + 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U, + 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U, + 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU, + 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU, + 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U, + 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U, + 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U, + 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U, + 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U, + 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U, + 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U, + 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU, + 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U, + 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U, + 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U, + 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U, + 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U, + 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U, + 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU, + 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U, + 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U, +}; +const aes_uint Td3[256] = { + 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU, + 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU, + 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U, + 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U, + 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU, + 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU, + 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U, + 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU, + 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U, + 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU, + 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U, + 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U, + 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U, + 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U, + 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U, + 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU, + 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU, + 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U, + 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U, + 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU, + 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU, + 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U, + 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U, + 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U, + 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U, + 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU, + 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U, + 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U, + 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU, + 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU, + 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U, + 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U, + 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U, + 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU, + 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U, + 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U, + 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U, + 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U, + 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U, + 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U, + 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U, + 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU, + 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U, + 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U, + 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU, + 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU, + 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U, + 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU, + 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U, + 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U, + 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U, + 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U, + 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U, + 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U, + 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU, + 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU, + 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU, + 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU, + 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U, + 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U, + 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U, + 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU, + 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U, + 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U, +}; +const aes_uint Td4[256] = { + 0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U, + 0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U, + 0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU, + 0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU, + 0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U, + 0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U, + 0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U, + 0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU, + 0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U, + 0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU, + 0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU, + 0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU, + 0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U, + 0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U, + 0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U, + 0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U, + 0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U, + 0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U, + 0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU, + 0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U, + 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U, + 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU, + 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U, + 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U, + 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U, + 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU, + 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U, + 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U, + 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU, + 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U, + 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U, + 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU, + 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U, + 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU, + 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU, + 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U, + 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U, + 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U, + 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U, + 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU, + 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U, + 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U, + 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU, + 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU, + 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU, + 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U, + 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU, + 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U, + 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U, + 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U, + 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U, + 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU, + 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U, + 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU, + 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU, + 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU, + 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU, + 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U, + 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU, + 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U, + 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU, + 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U, + 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U, + 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU, +}; +const aes_uint rcon[] = { + 0x01000000, 0x02000000, 0x04000000, 0x08000000, + 0x10000000, 0x20000000, 0x40000000, 0x80000000, + 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; +#else /* AES_SMALL_TABLES */ +const aes_uchar Td4s[256] = { + 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U, + 0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU, + 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U, + 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU, + 0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU, + 0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU, + 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U, + 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U, + 0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U, + 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U, + 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU, + 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U, + 0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU, + 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U, + 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U, + 0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU, + 0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU, + 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U, + 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U, + 0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU, + 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U, + 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU, + 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U, + 0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U, + 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U, + 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU, + 0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU, + 0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU, + 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U, + 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U, + 0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U, + 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU, +}; +const aes_uchar rcons[] = { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36 + /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; +#endif /* AES_SMALL_TABLES */ +int aes_rijndael_key_setup_enc(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits) +{ + int i; + aes_uint temp; + + rk[0] = GETU32(cipherKey ); + rk[1] = GETU32(cipherKey + 4); + rk[2] = GETU32(cipherKey + 8); + rk[3] = GETU32(cipherKey + 12); + + if (keyBits == 128) { + for (i = 0; i < 10; i++) { + temp = rk[3]; + rk[4] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[5] = rk[1] ^ rk[4]; + rk[6] = rk[2] ^ rk[5]; + rk[7] = rk[3] ^ rk[6]; + rk += 4; + } + return 10; + } + + rk[4] = GETU32(cipherKey + 16); + rk[5] = GETU32(cipherKey + 20); + + if (keyBits == 192) { + for (i = 0; i < 8; i++) { + temp = rk[5]; + rk[6] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[7] = rk[1] ^ rk[6]; + rk[8] = rk[2] ^ rk[7]; + rk[9] = rk[3] ^ rk[8]; + if (i == 7) + return 12; + rk[10] = rk[4] ^ rk[9]; + rk[11] = rk[5] ^ rk[10]; + rk += 6; + } + } + + rk[6] = GETU32(cipherKey + 24); + rk[7] = GETU32(cipherKey + 28); + + if (keyBits == 256) { + for (i = 0; i < 7; i++) { + temp = rk[7]; + rk[8] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[9] = rk[1] ^ rk[8]; + rk[10] = rk[2] ^ rk[9]; + rk[11] = rk[3] ^ rk[10]; + if (i == 6) + return 14; + temp = rk[11]; + rk[12] = rk[4] ^ TE411(temp) ^ TE422(temp) ^ + TE433(temp) ^ TE444(temp); + rk[13] = rk[5] ^ rk[12]; + rk[14] = rk[6] ^ rk[13]; + rk[15] = rk[7] ^ rk[14]; + rk += 8; + } + } + + return -1; +} + +void aes_rijndael_encrypt(const aes_uint rk[], int Nr, const aes_uchar pt[16], aes_uchar ct[16]) +{ + aes_uint s0, s1, s2, s3, t0, t1, t2, t3; +#ifndef AES_FULL_UNROLL + int r; +#endif /* AES_FULL_UNROLL */ + + /* + * map byte array block to cipher state + * and add initial round key: + */ + s0 = GETU32(pt ) ^ rk[0]; + s1 = GETU32(pt + 4) ^ rk[1]; + s2 = GETU32(pt + 8) ^ rk[2]; + s3 = GETU32(pt + 12) ^ rk[3]; + +#define ROUND(i,d,s) \ +d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[4 * i]; \ +d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[4 * i + 1]; \ +d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[4 * i + 2]; \ +d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[4 * i + 3] + +#ifdef AES_FULL_UNROLL + + ROUND(1,t,s); + ROUND(2,s,t); + ROUND(3,t,s); + ROUND(4,s,t); + ROUND(5,t,s); + ROUND(6,s,t); + ROUND(7,t,s); + ROUND(8,s,t); + ROUND(9,t,s); + if (Nr > 10) { + ROUND(10,s,t); + ROUND(11,t,s); + if (Nr > 12) { + ROUND(12,s,t); + ROUND(13,t,s); + } + } + + rk += Nr << 2; + +#else + + /* Nr - 1 full rounds: */ + r = Nr >> 1; + for (;;) { + ROUND(1,t,s); + rk += 8; + if (--r == 0) + break; + ROUND(0,s,t); + } + +#endif /* AES_FULL_UNROLL */ + +#undef ROUND + + /* + * apply last round and + * map cipher state to byte array block: + */ + s0 = TE41(t0) ^ TE42(t1) ^ TE43(t2) ^ TE44(t3) ^ rk[0]; + PUTU32(ct , s0); + s1 = TE41(t1) ^ TE42(t2) ^ TE43(t3) ^ TE44(t0) ^ rk[1]; + PUTU32(ct + 4, s1); + s2 = TE41(t2) ^ TE42(t3) ^ TE43(t0) ^ TE44(t1) ^ rk[2]; + PUTU32(ct + 8, s2); + s3 = TE41(t3) ^ TE42(t0) ^ TE43(t1) ^ TE44(t2) ^ rk[3]; + PUTU32(ct + 12, s3); +} + + +/* AES encrypt interface */ + +void * aes_encrypt_init(const aes_uchar *key, size_t len) +{ + aes_uint *rk; + int res; + rk = malloc(AES_PRIV_SIZE); + if (rk == NULL) + return NULL; + res = aes_rijndael_key_setup_enc(rk, key, len * 8); + if (res < 0) { + free(rk); + return NULL; + } + rk[AES_PRIV_NR_POS] = res; + return rk; +} + + +void aes_encrypt(void *ctx, const aes_uchar *plain, aes_uchar *crypt) +{ + aes_uint *rk = ctx; + aes_rijndael_encrypt(ctx, rk[AES_PRIV_NR_POS], plain, crypt); +} + + +void aes_encrypt_deinit(void *ctx) +{ + memset(ctx, 0, AES_PRIV_SIZE); + free(ctx); +} +int aes_rijndael_key_setup_dec(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits) +{ + int Nr, i, j; + aes_uint temp; + + /* expand the cipher key: */ + Nr = aes_rijndael_key_setup_enc(rk, cipherKey, keyBits); + if (Nr < 0) + return Nr; + /* invert the order of the round keys: */ + for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) { + temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; + temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; + temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; + temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; + } + /* apply the inverse MixColumn transform to all round keys but the + * first and the last: */ + for (i = 1; i < Nr; i++) { + rk += 4; + for (j = 0; j < 4; j++) { + rk[j] = TD0_(TE4((rk[j] >> 24) )) ^ + TD1_(TE4((rk[j] >> 16) & 0xff)) ^ + TD2_(TE4((rk[j] >> 8) & 0xff)) ^ + TD3_(TE4((rk[j] ) & 0xff)); + } + } + + return Nr; +} + +void aes_rijndael_decrypt(const aes_uint rk[], int Nr, const aes_uchar ct[16], aes_uchar pt[16]) +{ + aes_uint s0, s1, s2, s3, t0, t1, t2, t3; +#ifndef AES_FULL_UNROLL + int r; +#endif /* AES_FULL_UNROLL */ + + /* + * map byte array block to cipher state + * and add initial round key: + */ + s0 = GETU32(ct ) ^ rk[0]; + s1 = GETU32(ct + 4) ^ rk[1]; + s2 = GETU32(ct + 8) ^ rk[2]; + s3 = GETU32(ct + 12) ^ rk[3]; + +#define ROUND(i,d,s) \ +d##0 = TD0(s##0) ^ TD1(s##3) ^ TD2(s##2) ^ TD3(s##1) ^ rk[4 * i]; \ +d##1 = TD0(s##1) ^ TD1(s##0) ^ TD2(s##3) ^ TD3(s##2) ^ rk[4 * i + 1]; \ +d##2 = TD0(s##2) ^ TD1(s##1) ^ TD2(s##0) ^ TD3(s##3) ^ rk[4 * i + 2]; \ +d##3 = TD0(s##3) ^ TD1(s##2) ^ TD2(s##1) ^ TD3(s##0) ^ rk[4 * i + 3] + +#ifdef AES_FULL_UNROLL + + ROUND(1,t,s); + ROUND(2,s,t); + ROUND(3,t,s); + ROUND(4,s,t); + ROUND(5,t,s); + ROUND(6,s,t); + ROUND(7,t,s); + ROUND(8,s,t); + ROUND(9,t,s); + if (Nr > 10) { + ROUND(10,s,t); + ROUND(11,t,s); + if (Nr > 12) { + ROUND(12,s,t); + ROUND(13,t,s); + } + } + + rk += Nr << 2; + +#else + + /* Nr - 1 full rounds: */ + r = Nr >> 1; + for (;;) { + ROUND(1,t,s); + rk += 8; + if (--r == 0) + break; + ROUND(0,s,t); + } + +#endif /* AES_FULL_UNROLL */ + +#undef ROUND + + /* + * apply last round and + * map cipher state to byte array block: + */ + s0 = TD41(t0) ^ TD42(t3) ^ TD43(t2) ^ TD44(t1) ^ rk[0]; + PUTU32(pt , s0); + s1 = TD41(t1) ^ TD42(t0) ^ TD43(t3) ^ TD44(t2) ^ rk[1]; + PUTU32(pt + 4, s1); + s2 = TD41(t2) ^ TD42(t1) ^ TD43(t0) ^ TD44(t3) ^ rk[2]; + PUTU32(pt + 8, s2); + s3 = TD41(t3) ^ TD42(t2) ^ TD43(t1) ^ TD44(t0) ^ rk[3]; + PUTU32(pt + 12, s3); +} + + +/* AES decrypt interface */ + +void * aes_decrypt_init(const aes_uchar *key, size_t len) +{ + aes_uint *rk; + int res; + rk = malloc(AES_PRIV_SIZE); + if (rk == NULL) + return NULL; + res = aes_rijndael_key_setup_dec(rk, key, len * 8); + if (res < 0) { + free(rk); + return NULL; + } + rk[AES_PRIV_NR_POS] = res; + return rk; +} + + +void aes_decrypt(void *ctx, const aes_uchar *crypt, aes_uchar *plain) +{ + aes_uint *rk = ctx; + aes_rijndael_decrypt(ctx, rk[AES_PRIV_NR_POS], crypt, plain); +} + + +void aes_decrypt_deinit(void *ctx) +{ + memset(ctx, 0, AES_PRIV_SIZE); + free(ctx); +} diff --git a/client/aes-internal.h b/client/aes-internal.h new file mode 100644 index 0000000..6b440a5 --- /dev/null +++ b/client/aes-internal.h @@ -0,0 +1,113 @@ +#ifndef AES_INTERNAL_H +#define AES_INTERNAL_H + +extern const aes_uint Te0[256]; +extern const aes_uint Te1[256]; +extern const aes_uint Te2[256]; +extern const aes_uint Te3[256]; +extern const aes_uint Te4[256]; +extern const aes_uint Td0[256]; +extern const aes_uint Td1[256]; +extern const aes_uint Td2[256]; +extern const aes_uint Td3[256]; +extern const aes_uint Td4[256]; +extern const aes_uint rcon[10]; +extern const aes_uchar Td4s[256]; +extern const aes_uchar rcons[10]; + +#ifndef AES_SMALL_TABLES + +#define RCON(i) rcon[(i)] + +#define TE0(i) Te0[((i) >> 24) & 0xff] +#define TE1(i) Te1[((i) >> 16) & 0xff] +#define TE2(i) Te2[((i) >> 8) & 0xff] +#define TE3(i) Te3[(i) & 0xff] +#define TE41(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) +#define TE42(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE43(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE44(i) (Te4[(i) & 0xff] & 0x000000ff) +#define TE421(i) (Te4[((i) >> 16) & 0xff] & 0xff000000) +#define TE432(i) (Te4[((i) >> 8) & 0xff] & 0x00ff0000) +#define TE443(i) (Te4[(i) & 0xff] & 0x0000ff00) +#define TE414(i) (Te4[((i) >> 24) & 0xff] & 0x000000ff) +#define TE411(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) +#define TE422(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE433(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE444(i) (Te4[(i) & 0xff] & 0x000000ff) +#define TE4(i) (Te4[(i)] & 0x000000ff) + +#define TD0(i) Td0[((i) >> 24) & 0xff] +#define TD1(i) Td1[((i) >> 16) & 0xff] +#define TD2(i) Td2[((i) >> 8) & 0xff] +#define TD3(i) Td3[(i) & 0xff] +#define TD41(i) (Td4[((i) >> 24) & 0xff] & 0xff000000) +#define TD42(i) (Td4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TD43(i) (Td4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TD44(i) (Td4[(i) & 0xff] & 0x000000ff) +#define TD0_(i) Td0[(i) & 0xff] +#define TD1_(i) Td1[(i) & 0xff] +#define TD2_(i) Td2[(i) & 0xff] +#define TD3_(i) Td3[(i) & 0xff] + +#else /* AES_SMALL_TABLES */ + +#define RCON(i) (rcons[(i)] << 24) + +static inline aes_uint rotr(aes_uint val, int bits) +{ + return (val >> bits) | (val << (32 - bits)); +} + +#define TE0(i) Te0[((i) >> 24) & 0xff] +#define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8) +#define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16) +#define TE3(i) rotr(Te0[(i) & 0xff], 24) +#define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) +#define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) +#define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000) +#define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000) +#define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00) +#define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff) +#define TE411(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) +#define TE422(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE433(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE444(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) +#define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff) + +#define TD0(i) Td0[((i) >> 24) & 0xff] +#define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8) +#define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16) +#define TD3(i) rotr(Td0[(i) & 0xff], 24) +#define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24) +#define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16) +#define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8) +#define TD44(i) (Td4s[(i) & 0xff]) +#define TD0_(i) Td0[(i) & 0xff] +#define TD1_(i) rotr(Td0[(i) & 0xff], 8) +#define TD2_(i) rotr(Td0[(i) & 0xff], 16) +#define TD3_(i) rotr(Td0[(i) & 0xff], 24) + +#endif /* AES_SMALL_TABLES */ + +#define GETU32(pt) (((aes_uint)(pt)[0] << 24) ^ \ + ((aes_uint)(pt)[1] << 16) ^ \ + ((aes_uint)(pt)[2] << 8) ^ \ + ((aes_uint)(pt)[3])) +#define PUTU32(ct, st) { \ + (ct)[0] = (aes_uchar)((st) >> 24); \ + (ct)[1] = (aes_uchar)((st) >> 16); \ + (ct)[2] = (aes_uchar)((st) >> 8); \ + (ct)[3] = (aes_uchar)(st); } + +#define AES_PRIV_SIZE (4 * 4 * 15 + 4) +#define AES_PRIV_NR_POS (4 * 15) + +void aes_rijndael_encrypt(const aes_uint rk[], int Nr, const aes_uchar pt[16], aes_uchar ct[16]); +void aes_rijndael_decrypt(const aes_uint rk[], int Nr, const aes_uchar ct[16], aes_uchar pt[16]); +int aes_rijndael_key_setup_dec(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits); +int aes_rijndael_key_setup_enc(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits); + +#endif /* AES_I_H */ diff --git a/client/aes.h b/client/aes.h new file mode 100644 index 0000000..3700a2f --- /dev/null +++ b/client/aes.h @@ -0,0 +1,70 @@ +#ifndef AES_H +#define AES_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AES_FULL_UNROLL +#define AES_SMALL_TABLES +#define AES_BLOCK_SIZE 16 + +#include "aes-common.h" +#include "aes-internal.h" +#include "aes-debug.h" + +void * aes_encrypt_init(const aes_uchar *key, size_t len); +void aes_encrypt(void *ctx, const aes_uchar *plain, aes_uchar *crypt); +void aes_encrypt_deinit(void *ctx); +void * aes_decrypt_init(const aes_uchar *key, size_t len); +void aes_decrypt(void *ctx, const aes_uchar *crypt, aes_uchar *plain); +void aes_decrypt_deinit(void *ctx); + +int AES_WARN_UNUSED_RESULT aes_wrap(const aes_uchar *kek, int n, const aes_uchar *plain, aes_uchar *cipher); +int AES_WARN_UNUSED_RESULT aes_unwrap(const aes_uchar *kek, int n, const aes_uchar *cipher, aes_uchar *plain); +int AES_WARN_UNUSED_RESULT omac1_aes_128_vector(const aes_uchar *key, size_t num_elem, + const aes_uchar *addr[], const size_t *len, + aes_uchar *mac); +int AES_WARN_UNUSED_RESULT omac1_aes_128(const aes_uchar *key, const aes_uchar *data, size_t data_len, + aes_uchar *mac); +int AES_WARN_UNUSED_RESULT aes_128_encrypt_block(const aes_uchar *key, const aes_uchar *in, aes_uchar *out); +int AES_WARN_UNUSED_RESULT aes_128_ctr_encrypt(const aes_uchar *key, const aes_uchar *nonce, + aes_uchar *data, size_t data_len); +int AES_WARN_UNUSED_RESULT aes_128_eax_encrypt(const aes_uchar *key, + const aes_uchar *nonce, size_t nonce_len, + const aes_uchar *hdr, size_t hdr_len, + aes_uchar *data, size_t data_len, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_128_eax_decrypt(const aes_uchar *key, + const aes_uchar *nonce, size_t nonce_len, + const aes_uchar *hdr, size_t hdr_len, + aes_uchar *data, size_t data_len, const aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_128_cbc_encrypt(const aes_uchar *key, const aes_uchar *iv, aes_uchar *data, + size_t data_len); +int AES_WARN_UNUSED_RESULT aes_128_cbc_decrypt(const aes_uchar *key, const aes_uchar *iv, aes_uchar *data, + size_t data_len); +int AES_WARN_UNUSED_RESULT aes_gcm_ae(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, + aes_uchar *crypt, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_gcm_ad(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *tag, + aes_uchar *plain); +int AES_WARN_UNUSED_RESULT aes_gmac(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_ccm_ae(const aes_uchar *key, size_t key_len, const aes_uchar *nonce, + size_t M, const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *crypt, aes_uchar *auth); +int AES_WARN_UNUSED_RESULT aes_ccm_ad(const aes_uchar *key, size_t key_len, const aes_uchar *nonce, + size_t M, const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *auth, + aes_uchar *plain); + +#ifdef __cplusplus +} +#endif + +#endif /* AES_H */ diff --git a/client/client.c b/client/client.c new file mode 100644 index 0000000..9bc1a42 --- /dev/null +++ b/client/client.c @@ -0,0 +1,159 @@ +#include +#include +#include +#include +#include +#include +#include +#include "Diffie_hellman.c" +#include "aes.h" +#include + + +#define AES_DEBUG +#define MAX_size 256 +#define PORT 8080 +#define Sockaddr struct sockaddr + +void recv_msg(int sockfd, char * buf, unsigned char *key){ + char buff[MAX_size]; + //add(16)+iv(12)+tag(16)+data + unsigned char iv[12],add[16],tag[16]; + int l=read(sockfd, buff, sizeof(buff)); + memcpy(add,buff+4,16); + memcpy(iv,buff+16+4,12); + memset(tag,0,16); + int tmp=aes_gcm_ad(key, 32, iv, 12,buff+44+4, l-44-4, add, 16, tag, buf); + +} + +void send_msg(int sockfd, char * buff, int con_len, unsigned char *key){ + //add(16)+iv(12)+tag(16)+data + unsigned char * cryptbuf=(unsigned char*)malloc(con_len + 44 + 4); + memset(cryptbuf, 0, con_len + 44 + 4); + //add+iv + unsigned char iv[12],add[16],tag[16]; + memset(tag,0,16); + for(int j=0;j<16;j++) + add[j]=rand()%256; + for(int j=0;j<12;j++) + iv[j]=rand()%256; + //encrypt + int tmp; + tmp = aes_gcm_ae(key, 32, iv, 12, buff, con_len, add, 16, cryptbuf + 44 + 4, tag); + memcpy(cryptbuf + 4, add, 16); + memcpy(cryptbuf + 20, iv, 12); + memcpy(cryptbuf + 32, tag, 16); + memcpy(cryptbuf, "data", 4); + int f; + f = write(sockfd, cryptbuf, con_len + 44 + 4); +} + + +void DH_key_exchange_for_client(int sockfd, unsigned char * key_aes){ + Dh_key client_key; + init_numbers(&client_key); + client_key.urand = fopen("/dev/urandom","r"); + mpz_set_ui(client_key.base, (unsigned long)2); + char buff[MAX_size]; + memset(buff, 0, MAX_size); + + //receive p + memset(buff, 0, MAX_size); + read(sockfd,buff,sizeof(buff)); + mpz_set_str(client_key.prime,buff+3,16); + gmp_printf("p:%Zd\n",client_key.prime); + + //generate private key a + generate_key(32, &client_key); + gmp_printf("a:%Zd\n",client_key.private_key); + + //calculate public key A=g^a(mod p) + mpz_powm(client_key.public_key, client_key.base, client_key.private_key, client_key.prime); + gmp_printf("A:%Zd\n",client_key.public_key); + + //send A + bzero(buff, MAX_size); + memcpy(buff,"pub",3); + mpz_get_str(buff+3,16,client_key.public_key); + write(sockfd,buff,sizeof(buff)); + + //receive B + bzero(buff, MAX_size); + read(sockfd,buff,sizeof(buff)); + mpz_t key_from_s; + mpz_init(key_from_s); + mpz_set_str(key_from_s,buff+3,16); + gmp_printf("B:%Zd\n",key_from_s); + + //calc s=g^(ab) + mpz_powm(client_key.key, key_from_s, client_key.private_key, client_key.prime); + + //key -> char* + bzero(buff, MAX_size); + mpz_get_str(buff,16,client_key.key); + memcpy(key_aes,str2hex(buff),32); + fclose(client_key.urand); + clear_numbers(&client_key); +} + +void func(int sockfd) +{ + char buff[MAX_size]; + int n=0; + unsigned char aes_key[32]; + + DH_key_exchange_for_client(sockfd, aes_key); + printf("\n"); + print_hex(aes_key, 32); + for (;;) { + bzero(buff, sizeof(buff)); + printf("Enter str : "); + n = 0; + while ((buff[n++] = getchar()) != '\n'); + send_msg(sockfd, buff, strlen(buff),aes_key); + + bzero(buff, sizeof(buff)); + + recv_msg(sockfd, buff, aes_key); + printf("From Server : %s", buff); + + if ((strncmp(buff, "exit", 4)) == 0) { + printf("Client Exit\n"); + break; + } + } +} + +int main(int argc,char **argv) +{ + int sockfd, connfd; + struct sockaddr_in servaddr, cli; + + //创建套接字 + sockfd = socket(AF_INET, SOCK_STREAM, 0); + if (sockfd == -1) { + printf("socket creation failed\n"); + exit(0); + } + else + printf("Socket successfully created\n"); + bzero(&servaddr, sizeof(servaddr)); + + //绑定地址 + servaddr.sin_family = AF_INET; + servaddr.sin_addr.s_addr = inet_addr(argv[1]); + servaddr.sin_port = htons(atoi(argv[2])); + + //连接 + if (connect(sockfd, (Sockaddr*)&servaddr, sizeof(servaddr)) != 0) { + printf("connection with the server failed\n"); + exit(0); + } + else + printf("connected to the server\n"); + + //发送 + func(sockfd); + close(sockfd); +} diff --git a/client/client_p.c b/client/client_p.c new file mode 100644 index 0000000..dd7ea8c --- /dev/null +++ b/client/client_p.c @@ -0,0 +1,160 @@ +#include +#include +#include +#include +#include +#include +#include +#include "Diffie_hellman.c" +#include "aes.h" +#include + + +#define AES_DEBUG +#define MAX_size 256 +#define PORT 8080 +#define Sockaddr struct sockaddr + +void recv_msg(int sockfd, char * buf, unsigned char *key){ + char buff[MAX_size]; + //add(16)+iv(12)+tag(16)+data + unsigned char iv[12],add[16],tag[16]; + int l=read(sockfd, buff, sizeof(buff)); + memcpy(add,buff+4,16); + memcpy(iv,buff+16+4,12); + memset(tag,0,16); + int tmp=aes_gcm_ad(key, 32, iv, 12,buff+44+4, l-44-4, add, 16, tag, buf); + +} + +void send_msg(int sockfd, char * buff, int con_len, unsigned char *key){ + //add(16)+iv(12)+tag(16)+data + unsigned char * cryptbuf=(unsigned char*)malloc(con_len + 44 + 4); + memset(cryptbuf, 0, con_len + 44 + 4); + //add+iv + unsigned char iv[12],add[16],tag[16]; + memset(tag,0,16); + for(int j=0;j<16;j++) + add[j]=rand()%256; + for(int j=0;j<12;j++) + iv[j]=rand()%256; + //encrypt + int tmp; + tmp = aes_gcm_ae(key, 32, iv, 12, buff, con_len, add, 16, cryptbuf + 44 + 4, tag); + memcpy(cryptbuf + 4, add, 16); + memcpy(cryptbuf + 20, iv, 12); + memcpy(cryptbuf + 32, tag, 16); + memcpy(cryptbuf, "daaa", 4); + int f; + f = write(sockfd, cryptbuf, con_len + 44 + 4); +} + + +void DH_key_exchange_for_client(int sockfd, unsigned char * key_aes){ + Dh_key client_key; + init_numbers(&client_key); + client_key.urand = fopen("/dev/urandom","r"); + mpz_set_ui(client_key.base, (unsigned long)2); + char buff[MAX_size]; + memset(buff, 0, MAX_size); + + //receive p + memset(buff, 0, MAX_size); + read(sockfd,buff,sizeof(buff)); + mpz_set_str(client_key.prime,buff+3,16); + gmp_printf("p:%Zd\n",client_key.prime); + + //generate private key a + generate_key(32, &client_key); + gmp_printf("a:%Zd\n",client_key.private_key); + + //calculate public key A=g^a(mod p) + mpz_powm(client_key.public_key, client_key.base, client_key.private_key, client_key.prime); + gmp_printf("A:%Zd\n",client_key.public_key); + + //send A + bzero(buff, MAX_size); + memcpy(buff,"pud",3); + mpz_get_str(buff+3,16,client_key.public_key); + write(sockfd,buff,sizeof(buff)); + + //receive B + bzero(buff, MAX_size); + read(sockfd,buff,sizeof(buff)); + mpz_t key_from_s; + mpz_init(key_from_s); + mpz_set_str(key_from_s,buff+3,16); + gmp_printf("B:%Zd\n\n",key_from_s); + + //calc s=g^(ab) + mpz_powm(client_key.key, key_from_s, client_key.private_key, client_key.prime); + + //key -> char* + bzero(buff, MAX_size); + mpz_get_str(buff,16,client_key.key); + memcpy(key_aes,str2hex(buff),32); + fclose(client_key.urand); + clear_numbers(&client_key); +} + +void func(int sockfd) +{ + char buff[MAX_size]; + int n=0; + unsigned char aes_key[32]; + + DH_key_exchange_for_client(sockfd, aes_key); + print_hex(aes_key, 32); + for (;;) { + bzero(buff, sizeof(buff)); + printf("Enter str : "); + n = 0; + while ((buff[n++] = getchar()) != '\n'); + send_msg(sockfd, buff, strlen(buff),aes_key); + + bzero(buff, sizeof(buff)); + + recv_msg(sockfd, buff, aes_key); + printf("From Server : %s", buff); + + if ((strncmp(buff, "exit", 4)) == 0) { + printf("Client Exit\n"); + break; + } + } +} + +int main(int argc,char **argv) +{ + if(argc!=3){ + puts("./client ip port"); + return 0; + } + int sockfd, connfd; + struct sockaddr_in servaddr, cli; + + //创建套接字 + sockfd = socket(AF_INET, SOCK_STREAM, 0); + if (sockfd == -1) { + printf("socket creation failed\n"); + exit(0); + } + else + printf("Socket successfully created\n"); + bzero(&servaddr, sizeof(servaddr)); + + //绑定地址 + servaddr.sin_family = AF_INET; + servaddr.sin_addr.s_addr = inet_addr(argv[1]); + servaddr.sin_port = htons(atoi(argv[2])); + if (connect(sockfd, (Sockaddr*)&servaddr, sizeof(servaddr)) != 0) { + printf("connection with the server failed\n"); + exit(0); + } + else + printf("connected to the server\n"); + + //接收 + func(sockfd); + close(sockfd); +} diff --git a/client/makefile b/client/makefile new file mode 100644 index 0000000..90c837e --- /dev/null +++ b/client/makefile @@ -0,0 +1,9 @@ +client:client.c aes-debug.o aes-gcm.o aes-internal.o + gcc client.c -o client aes-debug.o aes-gcm.o aes-internal.o -l gmp +aes-debug.o:aes-debug.c + gcc -c aes-debug.c -o aes-debug.o +aes-gcm.o:aes-gcm.c + gcc -c aes-gcm.c -o aes-gcm.o +aes-internal.o:aes-internal.c + gcc -c aes-internal.c -o aes-internal.o + diff --git a/client/makefile_p b/client/makefile_p new file mode 100644 index 0000000..a83d55a --- /dev/null +++ b/client/makefile_p @@ -0,0 +1,8 @@ +client_p:client_p.c aes-debug.o aes-gcm.o aes-internal.o + gcc client_p.c -o client_p aes-debug.o aes-gcm.o aes-internal.o -l gmp +aes-debug.o:aes-debug.c + gcc -c aes-debug.c -o aes-debug.o +aes-gcm.o:aes-gcm.c + gcc -c aes-gcm.c -o aes-gcm.o +aes-internal.o:aes-internal.c + gcc -c aes-internal.c -o aes-internal.o diff --git a/server/Diffie_hellman.c b/server/Diffie_hellman.c new file mode 100644 index 0000000..f8d2c64 --- /dev/null +++ b/server/Diffie_hellman.c @@ -0,0 +1,144 @@ +#include +#include +#include +#include +#include +typedef struct{ + mpz_t prime; + mpz_t base; + mpz_t private_key; + mpz_t public_key; + mpz_t key; //g^(AB) + FILE *urand; +}Dh_key; +void generate_random(size_t sz, unsigned char* random_bytes,Dh_key* dhk) +{ + unsigned int init_random = 0; + size_t i = 0; + + if(0 == sz || NULL == random_bytes) + { + fprintf(stderr, "Wrong params for generate_random\n"); + exit(1); + } + init_random ^= ((unsigned int)fgetc(dhk->urand) << 8)|fgetc(dhk->urand); + srand(init_random); + for(i = 0; i < sz; i++) + { + random_bytes[i] = rand(); + } +} + +void print_hex(unsigned char* value, unsigned int len){ + printf("%s","key exchange:"); + for(int i=0;iprivate_key) + { + fprintf(stderr, "Wrong params for generate_key\n"); + exit(1); + } + random_bytes = (unsigned char *)malloc(sz*sizeof(unsigned char)); + if(NULL == random_bytes) + { + fprintf(stderr, "Failed to allocate random bytes array for the private key\n"); + exit(1); + } + generate_random(sz, random_bytes, dhk); + mpz_import(dhk->private_key, 1, -1, sz, -1, 0, (const void*)random_bytes); + free(random_bytes); +} + + +void init_prime(size_t sz,Dh_key* dhk) +{ + mpz_t tmp; + mpz_t x; + unsigned char* random_bytes = NULL; + + + if(0 == sz) + { + fprintf(stderr, "Wrong params for init_prime\n"); + exit(1); + } + + mpz_init(tmp); + mpz_init(x); + + random_bytes = (unsigned char *)malloc(sz*sizeof(unsigned char)); + if(NULL == random_bytes) + { + fprintf(stderr, "Failed to allocate random bytes array for the prime number\n"); + exit(1); + } + while (1) + { + generate_random(sz, random_bytes,dhk); + random_bytes[sz-1] |= (unsigned char)0x40; + random_bytes[0] |= (unsigned char)1; + + mpz_import(tmp, 1, -1, sz, -1, 0, (const void*)random_bytes); + while (0 == mpz_probab_prime_p(tmp, 10)) + { + mpz_add_ui(tmp, tmp, 2); + } + mpz_mul_ui(dhk->prime, tmp, 2); + mpz_add_ui(dhk->prime, dhk->prime, 1); + if (0 != mpz_probab_prime_p(dhk->prime, 10)) + { + break; + } + } + free(random_bytes); + + mpz_set_ui(dhk->base, (unsigned long)2); + + mpz_clear(tmp); + mpz_clear(x); +} + + + +void init_numbers(Dh_key* dhk) +{ + mpz_init(dhk->key); + mpz_init(dhk->prime); + mpz_init(dhk->base); + mpz_init(dhk->private_key); + mpz_init(dhk->public_key); +} + +void clear_numbers(Dh_key* dhk) +{ + mpz_clear(dhk->key); + mpz_clear(dhk->prime); + mpz_clear(dhk->base); + mpz_clear(dhk->private_key); + mpz_clear(dhk->public_key); +} diff --git a/server/aes-common.h b/server/aes-common.h new file mode 100644 index 0000000..254a85c --- /dev/null +++ b/server/aes-common.h @@ -0,0 +1,246 @@ +#ifndef AES_COMMON_H +#define AES_COMMON_H + +#include +#include +#include +#include +#include + + +/* integer types */ + +typedef unsigned char aes_uchar; +typedef unsigned short aes_ushort; +typedef unsigned int aes_uint; +typedef unsigned long long aes_ulong; +typedef signed char aes_char; +typedef signed short aes_short; +typedef signed int aes_int; +typedef signed long long aes_long; + + +/* byte order */ + +#if defined(__linux__) || defined(__GLIBC__) +#include +#include +#endif /* defined(__linux__) || defined(__GLIBC__) */ + +#if defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) || defined(__OpenBSD__) +#include +#include +#define __BYTE_ORDER _BYTE_ORDER +#define __LITTLE_ENDIAN _LITTLE_ENDIAN +#define __BIG_ENDIAN _BIG_ENDIAN +#endif /* defined(__FreeBSD__) || defined(__NetBSD__) || + * defined(__DragonFly__) || defined(__OpenBSD__) */ + +#ifdef sun +#include +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#ifdef _LITTLE_ENDIAN +#define __BYTE_ORDER __LITTLE_ENDIAN +#else +#define __BYTE_ORDER __BIG_ENDIAN +#endif +#endif + +#ifdef _MSC_VER +#define inline __inline +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif /* _MSC_VER */ + +#ifdef __APPLE__ +#include +#include +#define __BYTE_ORDER BYTE_ORDER +#define __LITTLE_ENDIAN LITTLE_ENDIAN +#define __BIG_ENDIAN BIG_ENDIAN +#endif /* __APPLE__ */ + + +/* byte swap macros */ + +#ifndef bswap_16 +#define bswap_16(a) ((((aes_ushort) (a) & 0xff00) >> 8) | \ + (((aes_ushort) (a) & 0x00ff) << 8)) +#endif + +#ifndef bswap_32 +#if defined __GNUC__ +#define bswap_32(a) __builtin_bswap32(a) +#else +#define bswap_32(a) ((((aes_uint) (a) & 0xff000000) >> 24) | \ + (((aes_uint) (a) & 0x00ff0000) >> 8) | \ + (((aes_uint) (a) & 0x0000ff00) << 8) | \ + (((aes_uint) (a) & 0x000000ff) << 24)) +#endif +#endif + +#ifndef bswap_64 +#if defined __GNUC__ +#define bswap_64(a) __builtin_bswap64(a) +#else +#define bswap_64(a) ((((aes_ulong) (a) & 0xff00000000000000ull) >> 56) | \ + (((aes_ulong) (a) & 0x00ff000000000000ull) >> 40) | \ + (((aes_ulong) (a) & 0x0000ff0000000000ull) >> 24) | \ + (((aes_ulong) (a) & 0x000000ff00000000ull) >> 8) | \ + (((aes_ulong) (a) & 0x00000000ff000000ull) << 8) | \ + (((aes_ulong) (a) & 0x0000000000ff0000ull) << 24) | \ + (((aes_ulong) (a) & 0x000000000000ff00ull) << 40) | \ + (((aes_ulong) (a) & 0x00000000000000ffull) << 56)) +#endif +#endif + + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define __ENDIAN_LITTLE__ 1 /* OpenCL */ +#define le_to_host16(n) (n) +#define host_to_le16(n) (n) +#define be_to_host16(n) bswap_16(n) +#define host_to_be16(n) bswap_16(n) +#define le_to_host32(n) (n) +#define host_to_le32(n) (n) +#define be_to_host32(n) bswap_32(n) +#define host_to_be32(n) bswap_32(n) +#define le_to_host64(n) (n) +#define host_to_le64(n) (n) +#define be_to_host64(n) bswap_64(n) +#define host_to_be64(n) bswap_64(n) +#elif __BYTE_ORDER == __BIG_ENDIAN +#define le_to_host16(n) bswap_16(n) +#define host_to_le16(n) bswap_16(n) +#define be_to_host16(n) (n) +#define host_to_be16(n) (n) +#define le_to_host32(n) bswap_32(n) +#define host_to_le32(n) bswap_32(n) +#define be_to_host32(n) (n) +#define host_to_be32(n) (n) +#define le_to_host64(n) bswap_64(n) +#define host_to_le64(n) bswap_64(n) +#define be_to_host64(n) (n) +#define host_to_be64(n) (n) +#else +#error Could not determine CPU byte order +#endif + + +/* unaligned memory accesses */ + +static inline aes_ushort AES_GET_BE16(const aes_uchar *a) +{ + return (a[0] << 8) | a[1]; +} + +static inline void AES_PUT_BE16(aes_uchar *a, aes_ushort val) +{ + a[0] = val >> 8; + a[1] = val & 0xff; +} + +static inline aes_ushort AES_GET_LE16(const aes_uchar *a) +{ + return (a[1] << 8) | a[0]; +} + +static inline void AES_PUT_LE16(aes_uchar *a, aes_ushort val) +{ + a[1] = val >> 8; + a[0] = val & 0xff; +} + +static inline aes_uint AES_GET_BE24(const aes_uchar *a) +{ + return (a[0] << 16) | (a[1] << 8) | a[2]; +} + +static inline void AES_PUT_BE24(aes_uchar *a, aes_uint val) +{ + a[0] = (val >> 16) & 0xff; + a[1] = (val >> 8) & 0xff; + a[2] = val & 0xff; +} + +static inline aes_uint AES_GET_BE32(const aes_uchar *a) +{ + return (a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3]; +} + +static inline void AES_PUT_BE32(aes_uchar *a, aes_uint val) +{ + a[0] = (val >> 24) & 0xff; + a[1] = (val >> 16) & 0xff; + a[2] = (val >> 8) & 0xff; + a[3] = val & 0xff; +} + +static inline aes_uint AES_GET_LE32(const aes_uchar *a) +{ + return (a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0]; +} + +static inline void AES_PUT_LE32(aes_uchar *a, aes_uint val) +{ + a[3] = (val >> 24) & 0xff; + a[2] = (val >> 16) & 0xff; + a[1] = (val >> 8) & 0xff; + a[0] = val & 0xff; +} + +static inline aes_ulong AES_GET_BE64(const aes_uchar *a) +{ + return (((aes_ulong) a[0]) << 56) | (((aes_ulong) a[1]) << 48) | + (((aes_ulong) a[2]) << 40) | (((aes_ulong) a[3]) << 32) | + (((aes_ulong) a[4]) << 24) | (((aes_ulong) a[5]) << 16) | + (((aes_ulong) a[6]) << 8) | ((aes_ulong) a[7]); +} + +static inline void AES_PUT_BE64(aes_uchar *a, aes_ulong val) +{ + a[0] = val >> 56; + a[1] = val >> 48; + a[2] = val >> 40; + a[3] = val >> 32; + a[4] = val >> 24; + a[5] = val >> 16; + a[6] = val >> 8; + a[7] = val & 0xff; +} + +static inline aes_ulong AES_GET_LE64(const aes_uchar *a) +{ + return (((aes_ulong) a[7]) << 56) | (((aes_ulong) a[6]) << 48) | + (((aes_ulong) a[5]) << 40) | (((aes_ulong) a[4]) << 32) | + (((aes_ulong) a[3]) << 24) | (((aes_ulong) a[2]) << 16) | + (((aes_ulong) a[1]) << 8) | ((aes_ulong) a[0]); +} + +static inline void AES_PUT_LE64(aes_uchar *a, aes_ulong val) +{ + a[7] = val >> 56; + a[6] = val >> 48; + a[5] = val >> 40; + a[4] = val >> 32; + a[3] = val >> 24; + a[2] = val >> 16; + a[1] = val >> 8; + a[0] = val & 0xff; +} + + +/* function attribute macros */ + +#ifndef AES_WARN_UNUSED_RESULT +#if defined __GNUC__ +#define AES_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) +#else +#define AES_WARN_UNUSED_RESULT +#endif /* __GNUC__ */ +#endif /* AES_WARN_UNUSED_RESULT */ + +#endif /* AES_COMMON_H */ diff --git a/server/aes-debug.c b/server/aes-debug.c new file mode 100644 index 0000000..9161390 --- /dev/null +++ b/server/aes-debug.c @@ -0,0 +1,166 @@ +#define AES_DEBUG + +#include "aes.h" + +int aes_debug_level = MSG_EXCESSIVE; +int aes_debug_show_keys = 1; +int aes_debug_timestamp = 1; + +#if defined(_MSC_VER) || ( defined(__WIN32__) && !defined(__CYGWIN__)) + +#include +#include + +const __int64 DELTA_EPOCH_IN_MICROSECS= 11644473600000000; + +int gettimeofday(struct timeval *tv, struct timezone *tz) +{ + FILETIME ft; + __int64 tmpres = 0; + TIME_ZONE_INFORMATION tz_winapi; + int ret = 0; + + ZeroMemory(&ft,sizeof(ft)); + ZeroMemory(&tz_winapi,sizeof(tz_winapi)); + + GetSystemTimeAsFileTime(&ft); + + tmpres = ft.dwHighDateTime; + tmpres <<= 32; + tmpres |= ft.dwLowDateTime; + + /*converting file time to unix epoch*/ + tmpres /= 10; /*convert into microseconds*/ + tmpres -= DELTA_EPOCH_IN_MICROSECS; + tv->tv_sec = (__int32)(tmpres*0.000001); + tv->tv_usec =(tmpres%1000000); + + if (tz) { + ret = GetTimeZoneInformation(&tz_winapi); + tz->tz_dsttime = (ret == 2) ? true : false; + tz->tz_minuteswest = tz_winapi.Bias + ((rez==2)?tz_winapi.DaylightBias:0); + } + + return 0; +} + +#endif + + +void aes_debug_print_timestamp(void) +{ + struct timeval tv; + + if (!aes_debug_timestamp) + return; + + gettimeofday(&tv, NULL); + printf("%ld.%06u: ", (long) tv.tv_sec, (unsigned int) tv.tv_usec); +} + + +void aes_printf(int level, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (level >= aes_debug_level) { + aes_debug_print_timestamp(); + vprintf(fmt, ap); + printf("\n"); + } + va_end(ap); +} + + +static void _aes_hexdump(int level, const char *title, const aes_uchar *buf, + size_t len, int show) +{ + size_t i; + + if (level < aes_debug_level) + return; + + aes_debug_print_timestamp(); + printf("%s - hexdump(len=%lu):", title, (unsigned long) len); + if (buf == NULL) { + printf(" [NULL]"); + } else if (show) { + for (i = 0; i < len; i++) + printf(" %02x", buf[i]); + } else { + printf(" [REDACTED]"); + } + printf("\n"); +} + + +void aes_hexdump(int level, const char *title, const void *buf, size_t len) +{ + _aes_hexdump(level, title, buf, len, 1); +} + + +void aes_hexdump_key(int level, const char *title, const void *buf, size_t len) +{ + _aes_hexdump(level, title, buf, len, aes_debug_show_keys); +} + + +static void _aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len, int show) +{ + size_t i, llen; + const aes_uchar *pos = buf; + const size_t line_len = 16; + + if (level < aes_debug_level) + return; + + aes_debug_print_timestamp(); + if (!show) { + printf("%s - hexdump_ascii(len=%lu): [REDACTED]\n", + title, (unsigned long) len); + return; + } + if (buf == NULL) { + printf("%s - hexdump_ascii(len=%lu): [NULL]\n", + title, (unsigned long) len); + return; + } + printf("%s - hexdump_ascii(len=%lu):\n", title, (unsigned long) len); + while (len) { + llen = len > line_len ? line_len : len; + printf(" "); + for (i = 0; i < llen; i++) + printf(" %02x", pos[i]); + for (i = llen; i < line_len; i++) + printf(" "); + printf(" "); + for (i = 0; i < llen; i++) { + if (isprint(pos[i])) + printf("%c", pos[i]); + else + printf("_"); + } + for (i = llen; i < line_len; i++) + printf(" "); + printf("\n"); + pos += llen; + len -= llen; + } +} + + +void aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len) +{ + _aes_hexdump_ascii(level, title, buf, len, 1); +} + + +void aes_hexdump_ascii_key(int level, const char *title, const void *buf, + size_t len) +{ + _aes_hexdump_ascii(level, title, buf, len, aes_debug_show_keys); +} diff --git a/server/aes-debug.h b/server/aes-debug.h new file mode 100644 index 0000000..c18f9ff --- /dev/null +++ b/server/aes-debug.h @@ -0,0 +1,60 @@ +#ifndef AES_DEBUG_H +#define AES_DEBUG_H + +/* gettimeofday */ + +#if defined(_MSC_VER) || ( defined(__WIN32__) && !defined(__CYGWIN__)) + +struct timezone +{ + int tz_minuteswest; /* minutes west of Greenwich */ + int tz_dsttime; /* type of dst correction */ +}; + +struct timeval { + int tv_sec; + int tv_usec; +}; + +extern int gettimeofday(struct timeval *tv, struct timezone *tz); + +#else +#include +#endif + +/* Debugging function - conditional printf and hex dump */ + +enum { + MSG_EXCESSIVE, MSG_MSGDUMP, MSG_DEBUG, MSG_INFO, MSG_WARNING, MSG_ERROR +}; + +extern int aes_debug_level; +extern int aes_debug_show_keys; +extern int aes_debug_timestamp; + +#ifndef AES_DEBUG + +#define aes_debug_print_timestamp() do { } while (0) +#define aes_printf(args...) do { } while (0) +#define aes_hexdump(l,t,b,le) do { } while (0) +#define aes_hexdump_buf(l,t,b) do { } while (0) +#define aes_hexdump_key(l,t,b,le) do { } while (0) +#define aes_hexdump_buf_key(l,t,b) do { } while (0) +#define aes_hexdump_ascii(l,t,b,le) do { } while (0) +#define aes_hexdump_ascii_key(l,t,b,le) do { } while (0) +#define aes_dbg(args...) do { } while (0) + +#else +void aes_debug_print_timestamp(void); +void aes_printf(int level, const char *fmt, ...) __attribute__ ((format (printf, (2), (3)))); +void aes_hexdump(int level, const char *title, const void *buf, size_t len); +void aes_hexdump_key(int level, const char *title, const void *buf, size_t len); +void aes_hexdump_ascii(int level, const char *title, const void *buf, + size_t len); + +void aes_hexdump_ascii_key(int level, const char *title, const void *buf, + size_t len); + +#endif /* AES_DEBUG_STDOUT */ + +#endif /* AES_DEBUG_H */ diff --git a/server/aes-gcm.c b/server/aes-gcm.c new file mode 100644 index 0000000..e46a2ad --- /dev/null +++ b/server/aes-gcm.c @@ -0,0 +1,312 @@ +#include "aes.h" + +static void inc32(aes_uchar *block) +{ + aes_uint val; + val = AES_GET_BE32(block + AES_BLOCK_SIZE - 4); + val++; + AES_PUT_BE32(block + AES_BLOCK_SIZE - 4, val); +} + + +static void xor_block(aes_uchar *dst, const aes_uchar *src) +{ + aes_uint *d = (aes_uint *) dst; + aes_uint *s = (aes_uint *) src; + *d++ ^= *s++; + *d++ ^= *s++; + *d++ ^= *s++; + *d++ ^= *s++; +} + + +static void shift_right_block(aes_uchar *v) +{ + aes_uint val; + + val = AES_GET_BE32(v + 12); + val >>= 1; + if (v[11] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 12, val); + + val = AES_GET_BE32(v + 8); + val >>= 1; + if (v[7] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 8, val); + + val = AES_GET_BE32(v + 4); + val >>= 1; + if (v[3] & 0x01) + val |= 0x80000000; + AES_PUT_BE32(v + 4, val); + + val = AES_GET_BE32(v); + val >>= 1; + AES_PUT_BE32(v, val); +} + + +/* Multiplication in GF(2^128) */ +static void gf_mult(const aes_uchar *x, const aes_uchar *y, aes_uchar *z) +{ + aes_uchar v[16]; + int i, j; + + memset(z, 0, 16); /* Z_0 = 0^128 */ + memcpy(v, y, 16); /* V_0 = Y */ + + for (i = 0; i < 16; i++) { + for (j = 0; j < 8; j++) { + if (x[i] & 1 << (7 - j)) { + /* Z_(i + 1) = Z_i XOR V_i */ + xor_block(z, v); + } else { + /* Z_(i + 1) = Z_i */ + } + + if (v[15] & 0x01) { + /* V_(i + 1) = (V_i >> 1) XOR R */ + shift_right_block(v); + /* R = 11100001 || 0^120 */ + v[0] ^= 0xe1; + } else { + /* V_(i + 1) = V_i >> 1 */ + shift_right_block(v); + } + } + } +} + + +static void ghash_start(aes_uchar *y) +{ + /* Y_0 = 0^128 */ + memset(y, 0, 16); +} + + +static void ghash(const aes_uchar *h, const aes_uchar *x, size_t xlen, aes_uchar *y) +{ + size_t m, i; + const aes_uchar *xpos = x; + aes_uchar tmp[16]; + + m = xlen / 16; + + for (i = 0; i < m; i++) { + /* Y_i = (Y^(i-1) XOR X_i) dot H */ + xor_block(y, xpos); + xpos += 16; + + /* dot operation: + * multiplication operation for binary Galois (finite) field of + * 2^128 elements */ + gf_mult(y, h, tmp); + memcpy(y, tmp, 16); + } + + if (x + xlen > xpos) { + /* Add zero padded last block */ + size_t last = x + xlen - xpos; + memcpy(tmp, xpos, last); + memset(tmp + last, 0, sizeof(tmp) - last); + + /* Y_i = (Y^(i-1) XOR X_i) dot H */ + xor_block(y, tmp); + + /* dot operation: + * multiplication operation for binary Galois (finite) field of + * 2^128 elements */ + gf_mult(y, h, tmp); + memcpy(y, tmp, 16); + } + + /* Return Y_m */ +} + + +static void aes_gctr(void *aes, const aes_uchar *icb, const aes_uchar *x, size_t xlen, aes_uchar *y) +{ + size_t i, n, last; + aes_uchar cb[AES_BLOCK_SIZE], tmp[AES_BLOCK_SIZE]; + const aes_uchar *xpos = x; + aes_uchar *ypos = y; + + if (xlen == 0) + return; + + n = xlen / 16; + + memcpy(cb, icb, AES_BLOCK_SIZE); + /* Full blocks */ + for (i = 0; i < n; i++) { + aes_encrypt(aes, cb, ypos); + xor_block(ypos, xpos); + xpos += AES_BLOCK_SIZE; + ypos += AES_BLOCK_SIZE; + inc32(cb); + } + + last = x + xlen - xpos; + if (last) { + /* Last, partial block */ + aes_encrypt(aes, cb, tmp); + for (i = 0; i < last; i++) + *ypos++ = *xpos++ ^ tmp[i]; + } +} + + +static void * aes_gcm_init_hash_subkey(const aes_uchar *key, size_t key_len, aes_uchar *H) +{ + void *aes; + + aes = aes_encrypt_init(key, key_len); + if (aes == NULL) + return NULL; + + /* Generate hash subkey H = AES_K(0^128) */ + memset(H, 0, AES_BLOCK_SIZE); + aes_encrypt(aes, H, H); + aes_hexdump_key(MSG_EXCESSIVE, "Hash subkey H for GHASH", H, AES_BLOCK_SIZE); + return aes; +} + + +static void aes_gcm_prepare_j0(const aes_uchar *iv, size_t iv_len, const aes_uchar *H, aes_uchar *J0) +{ + aes_uchar len_buf[16]; + + if (iv_len == 12) { + /* Prepare block J_0 = IV || 0^31 || 1 [len(IV) = 96] */ + memcpy(J0, iv, iv_len); + memset(J0 + iv_len, 0, AES_BLOCK_SIZE - iv_len); + J0[AES_BLOCK_SIZE - 1] = 0x01; + } else { + /* + * s = 128 * ceil(len(IV)/128) - len(IV) + * J_0 = GHASH_H(IV || 0^(s+64) || [len(IV)]_64) + */ + ghash_start(J0); + ghash(H, iv, iv_len, J0); + AES_PUT_BE64(len_buf, 0); + AES_PUT_BE64(len_buf + 8, iv_len * 8); + ghash(H, len_buf, sizeof(len_buf), J0); + } +} + + +static void aes_gcm_gctr(void *aes, const aes_uchar *J0, const aes_uchar *in, size_t len, + aes_uchar *out) +{ + aes_uchar J0inc[AES_BLOCK_SIZE]; + + if (len == 0) + return; + + memcpy(J0inc, J0, AES_BLOCK_SIZE); + inc32(J0inc); + aes_gctr(aes, J0inc, in, len, out); +} + + +static void aes_gcm_ghash(const aes_uchar *H, const aes_uchar *aad, size_t aad_len, + const aes_uchar *crypt, size_t crypt_len, aes_uchar *S) +{ + aes_uchar len_buf[16]; + + /* + * u = 128 * ceil[len(C)/128] - len(C) + * v = 128 * ceil[len(A)/128] - len(A) + * S = GHASH_H(A || 0^v || C || 0^u || [len(A)]64 || [len(C)]64) + * (i.e., zero padded to block size A || C and lengths of each in bits) + */ + ghash_start(S); + ghash(H, aad, aad_len, S); + ghash(H, crypt, crypt_len, S); + AES_PUT_BE64(len_buf, aad_len * 8); + AES_PUT_BE64(len_buf + 8, crypt_len * 8); + ghash(H, len_buf, sizeof(len_buf), S); + + aes_hexdump_key(MSG_EXCESSIVE, "S = GHASH_H(...)", S, 16); +} + + +/** + * aes_gcm_ae - GCM-AE_K(IV, P, A) + */ +int aes_gcm_ae(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *crypt, aes_uchar *tag) +{ + aes_uchar H[AES_BLOCK_SIZE]; + aes_uchar J0[AES_BLOCK_SIZE]; + aes_uchar S[16]; + void *aes; + + aes = aes_gcm_init_hash_subkey(key, key_len, H); + if (aes == NULL) + return -1; + + aes_gcm_prepare_j0(iv, iv_len, H, J0); + + /* C = GCTR_K(inc_32(J_0), P) */ + aes_gcm_gctr(aes, J0, plain, plain_len, crypt); + + aes_gcm_ghash(H, aad, aad_len, crypt, plain_len, S); + + /* T = MSB_t(GCTR_K(J_0, S)) */ + aes_gctr(aes, J0, S, sizeof(S), tag); + + /* Return (C, T) */ + + aes_encrypt_deinit(aes); + + return 0; +} + + +/** + * aes_gcm_ad - GCM-AD_K(IV, C, A, T) + */ +int aes_gcm_ad(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *tag, aes_uchar *plain) +{ + aes_uchar H[AES_BLOCK_SIZE]; + aes_uchar J0[AES_BLOCK_SIZE]; + aes_uchar S[16], T[16]; + void *aes; + + aes = aes_gcm_init_hash_subkey(key, key_len, H); + if (aes == NULL) + return -1; + + aes_gcm_prepare_j0(iv, iv_len, H, J0); + + /* P = GCTR_K(inc_32(J_0), C) */ + aes_gcm_gctr(aes, J0, crypt, crypt_len, plain); + + aes_gcm_ghash(H, aad, aad_len, crypt, crypt_len, S); + + /* T' = MSB_t(GCTR_K(J_0, S)) */ + aes_gctr(aes, J0, S, sizeof(S), T); + + aes_encrypt_deinit(aes); + + if (memcmp(tag, T, 16) != 0) { + aes_printf(MSG_EXCESSIVE, "GCM: Tag mismatch"); + return -1; + } + + return 0; +} + + +int aes_gmac(const aes_uchar *key, size_t key_len, const aes_uchar *iv, size_t iv_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *tag) +{ + return aes_gcm_ae(key, key_len, iv, iv_len, NULL, 0, aad, aad_len, NULL, tag); +} diff --git a/server/aes-internal.c b/server/aes-internal.c new file mode 100644 index 0000000..2b2a18a --- /dev/null +++ b/server/aes-internal.c @@ -0,0 +1,1021 @@ +#include "aes.h" +#include "aes-internal.h" +const aes_uint Te0[256] = { + 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, + 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, + 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU, + 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU, + 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, + 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, + 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, + 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU, + 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU, + 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, + 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, + 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU, + 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU, + 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U, + 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, + 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, + 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, + 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU, + 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU, + 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, + 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, + 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, + 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU, + 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU, + 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, + 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, + 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, + 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U, + 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU, + 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, + 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, + 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, + 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU, + 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U, + 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, + 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, + 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, + 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U, + 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU, + 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, + 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, + 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, + 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U, + 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU, + 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, + 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, + 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, + 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U, + 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U, + 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, + 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, + 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, + 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU, + 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U, + 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, + 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, + 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U, + 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U, + 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U, + 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, + 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, + 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, + 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U, + 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU, +}; +#ifndef AES_SMALL_TABLES +const aes_uint Te1[256] = { + 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, + 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, + 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU, + 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U, + 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, + 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, + 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, + 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U, + 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U, + 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, + 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, + 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, + 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U, + 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU, + 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, + 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, + 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, + 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U, + 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U, + 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, + 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, + 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, + 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U, + 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU, + 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, + 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, + 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, + 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U, + 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU, + 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, + 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, + 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, + 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU, + 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U, + 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, + 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, + 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, + 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U, + 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U, + 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, + 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, + 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, + 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U, + 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U, + 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, + 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, + 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, + 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U, + 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU, + 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, + 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, + 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, + 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U, + 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU, + 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, + 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, + 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, + 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U, + 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U, + 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, + 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, + 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, + 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU, + 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U, +}; +const aes_uint Te2[256] = { + 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, + 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, + 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU, + 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U, + 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, + 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, + 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, + 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U, + 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U, + 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, + 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, + 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U, + 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U, + 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU, + 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, + 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, + 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, + 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U, + 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U, + 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, + 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, + 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, + 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U, + 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU, + 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, + 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, + 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, + 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U, + 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU, + 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, + 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, + 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, + 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU, + 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U, + 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, + 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, + 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, + 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U, + 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U, + 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, + 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, + 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, + 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U, + 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U, + 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, + 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, + 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, + 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U, + 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU, + 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, + 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, + 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, + 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U, + 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU, + 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, + 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, + 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U, + 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U, + 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U, + 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, + 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, + 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, + 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU, + 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U, +}; +const aes_uint Te3[256] = { + 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, + 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, + 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U, + 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU, + 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, + 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, + 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, + 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU, + 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU, + 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, + 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, + 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU, + 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU, + 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU, + 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, + 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, + 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, + 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU, + 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU, + 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, + 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, + 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, + 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U, + 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U, + 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, + 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, + 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, + 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU, + 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U, + 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, + 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, + 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, + 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U, + 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU, + 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, + 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, + 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, + 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU, + 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U, + 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, + 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, + 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, + 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U, + 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U, + 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, + 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, + 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, + 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U, + 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU, + 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, + 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, + 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, + 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU, + 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU, + 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, + 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, + 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U, + 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U, + 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U, + 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, + 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, + 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, + 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU, + 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU, +}; +const aes_uint Te4[256] = { + 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU, + 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U, + 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU, + 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U, + 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU, + 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U, + 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU, + 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U, + 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U, + 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU, + 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U, + 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U, + 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U, + 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU, + 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U, + 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U, + 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU, + 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U, + 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U, + 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U, + 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU, + 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU, + 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U, + 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU, + 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU, + 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U, + 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU, + 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U, + 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU, + 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U, + 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U, + 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U, + 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU, + 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U, + 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU, + 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U, + 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU, + 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U, + 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U, + 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU, + 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU, + 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU, + 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U, + 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U, + 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU, + 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U, + 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU, + 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U, + 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU, + 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U, + 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU, + 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU, + 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U, + 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU, + 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U, + 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU, + 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U, + 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U, + 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U, + 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU, + 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU, + 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U, + 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU, + 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U, +}; +#endif /* AES_SMALL_TABLES */ +const aes_uint Td0[256] = { + 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U, + 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U, + 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U, + 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU, + 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U, + 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U, + 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU, + 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U, + 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU, + 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U, + 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U, + 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U, + 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U, + 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU, + 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U, + 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU, + 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U, + 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU, + 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U, + 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U, + 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U, + 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU, + 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U, + 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU, + 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U, + 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU, + 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U, + 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU, + 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU, + 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U, + 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU, + 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U, + 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU, + 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U, + 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U, + 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U, + 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU, + 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U, + 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U, + 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU, + 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U, + 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U, + 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U, + 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U, + 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U, + 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU, + 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U, + 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U, + 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U, + 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U, + 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U, + 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU, + 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU, + 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU, + 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU, + 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U, + 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U, + 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU, + 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU, + 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U, + 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU, + 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U, + 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U, + 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U, +}; +#ifndef AES_SMALL_TABLES +const aes_uint Td1[256] = { + 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU, + 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U, + 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU, + 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U, + 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U, + 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U, + 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U, + 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U, + 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U, + 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU, + 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU, + 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU, + 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U, + 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU, + 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U, + 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U, + 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U, + 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU, + 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU, + 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U, + 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU, + 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U, + 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU, + 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU, + 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U, + 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U, + 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U, + 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU, + 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U, + 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU, + 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U, + 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U, + 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U, + 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU, + 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U, + 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U, + 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U, + 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U, + 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U, + 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U, + 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU, + 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU, + 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U, + 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU, + 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U, + 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU, + 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU, + 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U, + 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU, + 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U, + 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U, + 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U, + 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U, + 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U, + 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U, + 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U, + 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU, + 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U, + 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U, + 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU, + 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U, + 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U, + 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U, + 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U, +}; +const aes_uint Td2[256] = { + 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U, + 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U, + 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U, + 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U, + 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU, + 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U, + 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U, + 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U, + 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U, + 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU, + 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U, + 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U, + 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU, + 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U, + 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U, + 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U, + 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U, + 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U, + 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U, + 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU, + 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U, + 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U, + 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U, + 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U, + 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U, + 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU, + 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU, + 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U, + 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU, + 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U, + 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU, + 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU, + 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU, + 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU, + 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U, + 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U, + 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U, + 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U, + 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U, + 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U, + 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U, + 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU, + 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU, + 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U, + 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U, + 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU, + 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU, + 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U, + 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U, + 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U, + 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U, + 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U, + 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U, + 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U, + 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU, + 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U, + 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U, + 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U, + 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U, + 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U, + 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U, + 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU, + 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U, + 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U, +}; +const aes_uint Td3[256] = { + 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU, + 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU, + 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U, + 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U, + 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU, + 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU, + 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U, + 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU, + 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U, + 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU, + 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U, + 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U, + 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U, + 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U, + 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U, + 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU, + 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU, + 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U, + 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U, + 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU, + 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU, + 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U, + 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U, + 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U, + 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U, + 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU, + 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U, + 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U, + 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU, + 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU, + 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U, + 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U, + 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U, + 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU, + 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U, + 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U, + 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U, + 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U, + 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U, + 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U, + 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U, + 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU, + 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U, + 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U, + 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU, + 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU, + 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U, + 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU, + 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U, + 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U, + 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U, + 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U, + 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U, + 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U, + 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU, + 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU, + 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU, + 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU, + 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U, + 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U, + 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U, + 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU, + 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U, + 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U, +}; +const aes_uint Td4[256] = { + 0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U, + 0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U, + 0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU, + 0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU, + 0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U, + 0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U, + 0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U, + 0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU, + 0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U, + 0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU, + 0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU, + 0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU, + 0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U, + 0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U, + 0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U, + 0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U, + 0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U, + 0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U, + 0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU, + 0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U, + 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U, + 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU, + 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U, + 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U, + 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U, + 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU, + 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U, + 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U, + 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU, + 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U, + 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U, + 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU, + 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U, + 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU, + 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU, + 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U, + 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U, + 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U, + 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U, + 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU, + 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U, + 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U, + 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU, + 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU, + 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU, + 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U, + 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU, + 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U, + 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U, + 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U, + 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U, + 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU, + 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U, + 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU, + 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU, + 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU, + 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU, + 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U, + 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU, + 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U, + 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU, + 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U, + 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U, + 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU, +}; +const aes_uint rcon[] = { + 0x01000000, 0x02000000, 0x04000000, 0x08000000, + 0x10000000, 0x20000000, 0x40000000, 0x80000000, + 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; +#else /* AES_SMALL_TABLES */ +const aes_uchar Td4s[256] = { + 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U, + 0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU, + 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U, + 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU, + 0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU, + 0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU, + 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U, + 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U, + 0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U, + 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U, + 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU, + 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U, + 0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU, + 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U, + 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U, + 0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU, + 0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU, + 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U, + 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U, + 0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU, + 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U, + 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU, + 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U, + 0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U, + 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U, + 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU, + 0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU, + 0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU, + 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U, + 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U, + 0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U, + 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU, +}; +const aes_uchar rcons[] = { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36 + /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; +#endif /* AES_SMALL_TABLES */ +int aes_rijndael_key_setup_enc(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits) +{ + int i; + aes_uint temp; + + rk[0] = GETU32(cipherKey ); + rk[1] = GETU32(cipherKey + 4); + rk[2] = GETU32(cipherKey + 8); + rk[3] = GETU32(cipherKey + 12); + + if (keyBits == 128) { + for (i = 0; i < 10; i++) { + temp = rk[3]; + rk[4] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[5] = rk[1] ^ rk[4]; + rk[6] = rk[2] ^ rk[5]; + rk[7] = rk[3] ^ rk[6]; + rk += 4; + } + return 10; + } + + rk[4] = GETU32(cipherKey + 16); + rk[5] = GETU32(cipherKey + 20); + + if (keyBits == 192) { + for (i = 0; i < 8; i++) { + temp = rk[5]; + rk[6] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[7] = rk[1] ^ rk[6]; + rk[8] = rk[2] ^ rk[7]; + rk[9] = rk[3] ^ rk[8]; + if (i == 7) + return 12; + rk[10] = rk[4] ^ rk[9]; + rk[11] = rk[5] ^ rk[10]; + rk += 6; + } + } + + rk[6] = GETU32(cipherKey + 24); + rk[7] = GETU32(cipherKey + 28); + + if (keyBits == 256) { + for (i = 0; i < 7; i++) { + temp = rk[7]; + rk[8] = rk[0] ^ TE421(temp) ^ TE432(temp) ^ + TE443(temp) ^ TE414(temp) ^ RCON(i); + rk[9] = rk[1] ^ rk[8]; + rk[10] = rk[2] ^ rk[9]; + rk[11] = rk[3] ^ rk[10]; + if (i == 6) + return 14; + temp = rk[11]; + rk[12] = rk[4] ^ TE411(temp) ^ TE422(temp) ^ + TE433(temp) ^ TE444(temp); + rk[13] = rk[5] ^ rk[12]; + rk[14] = rk[6] ^ rk[13]; + rk[15] = rk[7] ^ rk[14]; + rk += 8; + } + } + + return -1; +} + +void aes_rijndael_encrypt(const aes_uint rk[], int Nr, const aes_uchar pt[16], aes_uchar ct[16]) +{ + aes_uint s0, s1, s2, s3, t0, t1, t2, t3; +#ifndef AES_FULL_UNROLL + int r; +#endif /* AES_FULL_UNROLL */ + + /* + * map byte array block to cipher state + * and add initial round key: + */ + s0 = GETU32(pt ) ^ rk[0]; + s1 = GETU32(pt + 4) ^ rk[1]; + s2 = GETU32(pt + 8) ^ rk[2]; + s3 = GETU32(pt + 12) ^ rk[3]; + +#define ROUND(i,d,s) \ +d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[4 * i]; \ +d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[4 * i + 1]; \ +d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[4 * i + 2]; \ +d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[4 * i + 3] + +#ifdef AES_FULL_UNROLL + + ROUND(1,t,s); + ROUND(2,s,t); + ROUND(3,t,s); + ROUND(4,s,t); + ROUND(5,t,s); + ROUND(6,s,t); + ROUND(7,t,s); + ROUND(8,s,t); + ROUND(9,t,s); + if (Nr > 10) { + ROUND(10,s,t); + ROUND(11,t,s); + if (Nr > 12) { + ROUND(12,s,t); + ROUND(13,t,s); + } + } + + rk += Nr << 2; + +#else + + /* Nr - 1 full rounds: */ + r = Nr >> 1; + for (;;) { + ROUND(1,t,s); + rk += 8; + if (--r == 0) + break; + ROUND(0,s,t); + } + +#endif /* AES_FULL_UNROLL */ + +#undef ROUND + + /* + * apply last round and + * map cipher state to byte array block: + */ + s0 = TE41(t0) ^ TE42(t1) ^ TE43(t2) ^ TE44(t3) ^ rk[0]; + PUTU32(ct , s0); + s1 = TE41(t1) ^ TE42(t2) ^ TE43(t3) ^ TE44(t0) ^ rk[1]; + PUTU32(ct + 4, s1); + s2 = TE41(t2) ^ TE42(t3) ^ TE43(t0) ^ TE44(t1) ^ rk[2]; + PUTU32(ct + 8, s2); + s3 = TE41(t3) ^ TE42(t0) ^ TE43(t1) ^ TE44(t2) ^ rk[3]; + PUTU32(ct + 12, s3); +} + + +/* AES encrypt interface */ + +void * aes_encrypt_init(const aes_uchar *key, size_t len) +{ + aes_uint *rk; + int res; + rk = malloc(AES_PRIV_SIZE); + if (rk == NULL) + return NULL; + res = aes_rijndael_key_setup_enc(rk, key, len * 8); + if (res < 0) { + free(rk); + return NULL; + } + rk[AES_PRIV_NR_POS] = res; + return rk; +} + + +void aes_encrypt(void *ctx, const aes_uchar *plain, aes_uchar *crypt) +{ + aes_uint *rk = ctx; + aes_rijndael_encrypt(ctx, rk[AES_PRIV_NR_POS], plain, crypt); +} + + +void aes_encrypt_deinit(void *ctx) +{ + memset(ctx, 0, AES_PRIV_SIZE); + free(ctx); +} +int aes_rijndael_key_setup_dec(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits) +{ + int Nr, i, j; + aes_uint temp; + + /* expand the cipher key: */ + Nr = aes_rijndael_key_setup_enc(rk, cipherKey, keyBits); + if (Nr < 0) + return Nr; + /* invert the order of the round keys: */ + for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) { + temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; + temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; + temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; + temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; + } + /* apply the inverse MixColumn transform to all round keys but the + * first and the last: */ + for (i = 1; i < Nr; i++) { + rk += 4; + for (j = 0; j < 4; j++) { + rk[j] = TD0_(TE4((rk[j] >> 24) )) ^ + TD1_(TE4((rk[j] >> 16) & 0xff)) ^ + TD2_(TE4((rk[j] >> 8) & 0xff)) ^ + TD3_(TE4((rk[j] ) & 0xff)); + } + } + + return Nr; +} + +void aes_rijndael_decrypt(const aes_uint rk[], int Nr, const aes_uchar ct[16], aes_uchar pt[16]) +{ + aes_uint s0, s1, s2, s3, t0, t1, t2, t3; +#ifndef AES_FULL_UNROLL + int r; +#endif /* AES_FULL_UNROLL */ + + /* + * map byte array block to cipher state + * and add initial round key: + */ + s0 = GETU32(ct ) ^ rk[0]; + s1 = GETU32(ct + 4) ^ rk[1]; + s2 = GETU32(ct + 8) ^ rk[2]; + s3 = GETU32(ct + 12) ^ rk[3]; + +#define ROUND(i,d,s) \ +d##0 = TD0(s##0) ^ TD1(s##3) ^ TD2(s##2) ^ TD3(s##1) ^ rk[4 * i]; \ +d##1 = TD0(s##1) ^ TD1(s##0) ^ TD2(s##3) ^ TD3(s##2) ^ rk[4 * i + 1]; \ +d##2 = TD0(s##2) ^ TD1(s##1) ^ TD2(s##0) ^ TD3(s##3) ^ rk[4 * i + 2]; \ +d##3 = TD0(s##3) ^ TD1(s##2) ^ TD2(s##1) ^ TD3(s##0) ^ rk[4 * i + 3] + +#ifdef AES_FULL_UNROLL + + ROUND(1,t,s); + ROUND(2,s,t); + ROUND(3,t,s); + ROUND(4,s,t); + ROUND(5,t,s); + ROUND(6,s,t); + ROUND(7,t,s); + ROUND(8,s,t); + ROUND(9,t,s); + if (Nr > 10) { + ROUND(10,s,t); + ROUND(11,t,s); + if (Nr > 12) { + ROUND(12,s,t); + ROUND(13,t,s); + } + } + + rk += Nr << 2; + +#else + + /* Nr - 1 full rounds: */ + r = Nr >> 1; + for (;;) { + ROUND(1,t,s); + rk += 8; + if (--r == 0) + break; + ROUND(0,s,t); + } + +#endif /* AES_FULL_UNROLL */ + +#undef ROUND + + /* + * apply last round and + * map cipher state to byte array block: + */ + s0 = TD41(t0) ^ TD42(t3) ^ TD43(t2) ^ TD44(t1) ^ rk[0]; + PUTU32(pt , s0); + s1 = TD41(t1) ^ TD42(t0) ^ TD43(t3) ^ TD44(t2) ^ rk[1]; + PUTU32(pt + 4, s1); + s2 = TD41(t2) ^ TD42(t1) ^ TD43(t0) ^ TD44(t3) ^ rk[2]; + PUTU32(pt + 8, s2); + s3 = TD41(t3) ^ TD42(t2) ^ TD43(t1) ^ TD44(t0) ^ rk[3]; + PUTU32(pt + 12, s3); +} + + +/* AES decrypt interface */ + +void * aes_decrypt_init(const aes_uchar *key, size_t len) +{ + aes_uint *rk; + int res; + rk = malloc(AES_PRIV_SIZE); + if (rk == NULL) + return NULL; + res = aes_rijndael_key_setup_dec(rk, key, len * 8); + if (res < 0) { + free(rk); + return NULL; + } + rk[AES_PRIV_NR_POS] = res; + return rk; +} + + +void aes_decrypt(void *ctx, const aes_uchar *crypt, aes_uchar *plain) +{ + aes_uint *rk = ctx; + aes_rijndael_decrypt(ctx, rk[AES_PRIV_NR_POS], crypt, plain); +} + + +void aes_decrypt_deinit(void *ctx) +{ + memset(ctx, 0, AES_PRIV_SIZE); + free(ctx); +} diff --git a/server/aes-internal.h b/server/aes-internal.h new file mode 100644 index 0000000..6b440a5 --- /dev/null +++ b/server/aes-internal.h @@ -0,0 +1,113 @@ +#ifndef AES_INTERNAL_H +#define AES_INTERNAL_H + +extern const aes_uint Te0[256]; +extern const aes_uint Te1[256]; +extern const aes_uint Te2[256]; +extern const aes_uint Te3[256]; +extern const aes_uint Te4[256]; +extern const aes_uint Td0[256]; +extern const aes_uint Td1[256]; +extern const aes_uint Td2[256]; +extern const aes_uint Td3[256]; +extern const aes_uint Td4[256]; +extern const aes_uint rcon[10]; +extern const aes_uchar Td4s[256]; +extern const aes_uchar rcons[10]; + +#ifndef AES_SMALL_TABLES + +#define RCON(i) rcon[(i)] + +#define TE0(i) Te0[((i) >> 24) & 0xff] +#define TE1(i) Te1[((i) >> 16) & 0xff] +#define TE2(i) Te2[((i) >> 8) & 0xff] +#define TE3(i) Te3[(i) & 0xff] +#define TE41(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) +#define TE42(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE43(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE44(i) (Te4[(i) & 0xff] & 0x000000ff) +#define TE421(i) (Te4[((i) >> 16) & 0xff] & 0xff000000) +#define TE432(i) (Te4[((i) >> 8) & 0xff] & 0x00ff0000) +#define TE443(i) (Te4[(i) & 0xff] & 0x0000ff00) +#define TE414(i) (Te4[((i) >> 24) & 0xff] & 0x000000ff) +#define TE411(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) +#define TE422(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE433(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE444(i) (Te4[(i) & 0xff] & 0x000000ff) +#define TE4(i) (Te4[(i)] & 0x000000ff) + +#define TD0(i) Td0[((i) >> 24) & 0xff] +#define TD1(i) Td1[((i) >> 16) & 0xff] +#define TD2(i) Td2[((i) >> 8) & 0xff] +#define TD3(i) Td3[(i) & 0xff] +#define TD41(i) (Td4[((i) >> 24) & 0xff] & 0xff000000) +#define TD42(i) (Td4[((i) >> 16) & 0xff] & 0x00ff0000) +#define TD43(i) (Td4[((i) >> 8) & 0xff] & 0x0000ff00) +#define TD44(i) (Td4[(i) & 0xff] & 0x000000ff) +#define TD0_(i) Td0[(i) & 0xff] +#define TD1_(i) Td1[(i) & 0xff] +#define TD2_(i) Td2[(i) & 0xff] +#define TD3_(i) Td3[(i) & 0xff] + +#else /* AES_SMALL_TABLES */ + +#define RCON(i) (rcons[(i)] << 24) + +static inline aes_uint rotr(aes_uint val, int bits) +{ + return (val >> bits) | (val << (32 - bits)); +} + +#define TE0(i) Te0[((i) >> 24) & 0xff] +#define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8) +#define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16) +#define TE3(i) rotr(Te0[(i) & 0xff], 24) +#define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) +#define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) +#define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000) +#define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000) +#define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00) +#define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff) +#define TE411(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) +#define TE422(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) +#define TE433(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) +#define TE444(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) +#define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff) + +#define TD0(i) Td0[((i) >> 24) & 0xff] +#define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8) +#define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16) +#define TD3(i) rotr(Td0[(i) & 0xff], 24) +#define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24) +#define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16) +#define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8) +#define TD44(i) (Td4s[(i) & 0xff]) +#define TD0_(i) Td0[(i) & 0xff] +#define TD1_(i) rotr(Td0[(i) & 0xff], 8) +#define TD2_(i) rotr(Td0[(i) & 0xff], 16) +#define TD3_(i) rotr(Td0[(i) & 0xff], 24) + +#endif /* AES_SMALL_TABLES */ + +#define GETU32(pt) (((aes_uint)(pt)[0] << 24) ^ \ + ((aes_uint)(pt)[1] << 16) ^ \ + ((aes_uint)(pt)[2] << 8) ^ \ + ((aes_uint)(pt)[3])) +#define PUTU32(ct, st) { \ + (ct)[0] = (aes_uchar)((st) >> 24); \ + (ct)[1] = (aes_uchar)((st) >> 16); \ + (ct)[2] = (aes_uchar)((st) >> 8); \ + (ct)[3] = (aes_uchar)(st); } + +#define AES_PRIV_SIZE (4 * 4 * 15 + 4) +#define AES_PRIV_NR_POS (4 * 15) + +void aes_rijndael_encrypt(const aes_uint rk[], int Nr, const aes_uchar pt[16], aes_uchar ct[16]); +void aes_rijndael_decrypt(const aes_uint rk[], int Nr, const aes_uchar ct[16], aes_uchar pt[16]); +int aes_rijndael_key_setup_dec(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits); +int aes_rijndael_key_setup_enc(aes_uint rk[], const aes_uchar cipherKey[], size_t keyBits); + +#endif /* AES_I_H */ diff --git a/server/aes.h b/server/aes.h new file mode 100644 index 0000000..3700a2f --- /dev/null +++ b/server/aes.h @@ -0,0 +1,70 @@ +#ifndef AES_H +#define AES_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AES_FULL_UNROLL +#define AES_SMALL_TABLES +#define AES_BLOCK_SIZE 16 + +#include "aes-common.h" +#include "aes-internal.h" +#include "aes-debug.h" + +void * aes_encrypt_init(const aes_uchar *key, size_t len); +void aes_encrypt(void *ctx, const aes_uchar *plain, aes_uchar *crypt); +void aes_encrypt_deinit(void *ctx); +void * aes_decrypt_init(const aes_uchar *key, size_t len); +void aes_decrypt(void *ctx, const aes_uchar *crypt, aes_uchar *plain); +void aes_decrypt_deinit(void *ctx); + +int AES_WARN_UNUSED_RESULT aes_wrap(const aes_uchar *kek, int n, const aes_uchar *plain, aes_uchar *cipher); +int AES_WARN_UNUSED_RESULT aes_unwrap(const aes_uchar *kek, int n, const aes_uchar *cipher, aes_uchar *plain); +int AES_WARN_UNUSED_RESULT omac1_aes_128_vector(const aes_uchar *key, size_t num_elem, + const aes_uchar *addr[], const size_t *len, + aes_uchar *mac); +int AES_WARN_UNUSED_RESULT omac1_aes_128(const aes_uchar *key, const aes_uchar *data, size_t data_len, + aes_uchar *mac); +int AES_WARN_UNUSED_RESULT aes_128_encrypt_block(const aes_uchar *key, const aes_uchar *in, aes_uchar *out); +int AES_WARN_UNUSED_RESULT aes_128_ctr_encrypt(const aes_uchar *key, const aes_uchar *nonce, + aes_uchar *data, size_t data_len); +int AES_WARN_UNUSED_RESULT aes_128_eax_encrypt(const aes_uchar *key, + const aes_uchar *nonce, size_t nonce_len, + const aes_uchar *hdr, size_t hdr_len, + aes_uchar *data, size_t data_len, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_128_eax_decrypt(const aes_uchar *key, + const aes_uchar *nonce, size_t nonce_len, + const aes_uchar *hdr, size_t hdr_len, + aes_uchar *data, size_t data_len, const aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_128_cbc_encrypt(const aes_uchar *key, const aes_uchar *iv, aes_uchar *data, + size_t data_len); +int AES_WARN_UNUSED_RESULT aes_128_cbc_decrypt(const aes_uchar *key, const aes_uchar *iv, aes_uchar *data, + size_t data_len); +int AES_WARN_UNUSED_RESULT aes_gcm_ae(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, + aes_uchar *crypt, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_gcm_ad(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *tag, + aes_uchar *plain); +int AES_WARN_UNUSED_RESULT aes_gmac(const aes_uchar *key, size_t key_len, + const aes_uchar *iv, size_t iv_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *tag); +int AES_WARN_UNUSED_RESULT aes_ccm_ae(const aes_uchar *key, size_t key_len, const aes_uchar *nonce, + size_t M, const aes_uchar *plain, size_t plain_len, + const aes_uchar *aad, size_t aad_len, aes_uchar *crypt, aes_uchar *auth); +int AES_WARN_UNUSED_RESULT aes_ccm_ad(const aes_uchar *key, size_t key_len, const aes_uchar *nonce, + size_t M, const aes_uchar *crypt, size_t crypt_len, + const aes_uchar *aad, size_t aad_len, const aes_uchar *auth, + aes_uchar *plain); + +#ifdef __cplusplus +} +#endif + +#endif /* AES_H */ diff --git a/server/makefile b/server/makefile new file mode 100644 index 0000000..865ffe4 --- /dev/null +++ b/server/makefile @@ -0,0 +1,8 @@ +server:server.c aes-debug.o aes-gcm.o aes-internal.o + gcc server.c -o server aes-debug.o aes-gcm.o aes-internal.o -l gmp +aes-debug.o:aes-debug.c + gcc -c aes-debug.c -o aes-debug.o +aes-gcm.o:aes-gcm.c + gcc -c aes-gcm.c -o aes-gcm.o +aes-internal.o:aes-internal.c + gcc -c aes-internal.c -o aes-internal.o \ No newline at end of file diff --git a/server/makefile_p b/server/makefile_p new file mode 100644 index 0000000..8b91459 --- /dev/null +++ b/server/makefile_p @@ -0,0 +1,8 @@ +server_p:server_p.c aes-debug.o aes-gcm.o aes-internal.o + gcc server_p.c -o server_p aes-debug.o aes-gcm.o aes-internal.o -l gmp +aes-debug.o:aes-debug.c + gcc -c aes-debug.c -o aes-debug.o +aes-gcm.o:aes-gcm.c + gcc -c aes-gcm.c -o aes-gcm.o +aes-internal.o:aes-internal.c + gcc -c aes-internal.c -o aes-internal.o \ No newline at end of file diff --git a/server/server.c b/server/server.c new file mode 100644 index 0000000..0676449 --- /dev/null +++ b/server/server.c @@ -0,0 +1,186 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include "Diffie_hellman.c" +#include "aes.h" +#define MAX_size 256 +#define Sockaddr struct sockaddr + +#define DEBUF +// Function designed for chat between client and server. + +void recv_msg(int sockfd, char * buf, unsigned char *key){ + char buff[MAX_size]; + //add(16)+iv(12)+tag(16)+data + unsigned char iv[12],add[16],tag[16]; + int l=read(sockfd, buff, sizeof(buff)); + memcpy(add,buff+4,16); + memcpy(iv,buff+16+4,12); + memset(tag,0,16); + int tmp=aes_gcm_ad(key, 32, iv, 12,buff+44+4, l-44-4, add, 16, tag, buf); + +} + +void send_msg(int sockfd, char * buff, int con_len, unsigned char *key){ + //add(16)+iv(12)+tag(16)+data + unsigned char * cryptbuf=(unsigned char*)malloc(con_len + 44 + 4); + memset(cryptbuf, 0, con_len + 44 + 4); + //add+iv + unsigned char iv[12],add[16],tag[16]; + memset(tag,0,16); + for(int j=0;j<16;j++) + add[j]=rand()%256; + for(int j=0;j<12;j++) + iv[j]=rand()%256; + //鍔犲瘑 + int tmp; + tmp = aes_gcm_ae(key, 32, iv, 12, buff, con_len, add, 16, cryptbuf + 44 + 4, tag); + memcpy(cryptbuf + 4, add, 16); + memcpy(cryptbuf + 20, iv, 12); + memcpy(cryptbuf + 32, tag, 16); + memcpy(cryptbuf, "data", 4); + int f; + f = write(sockfd, cryptbuf, con_len + 44 + 4); +} + +void DH_key_exchange_for_server(int sockfd, unsigned char* aes_key){ + Dh_key dh_key; + char buff[MAX_size]; + init_numbers(&dh_key); + + dh_key.urand = fopen("/dev/urandom","r"); + if(NULL == dh_key.urand) + { + fprintf(stderr, "Failed to init randomization\n"); + exit(1); + } + init_prime(32,&dh_key); + //send p + bzero(buff, MAX_size); + memcpy(buff,"pri",3); + mpz_get_str(buff+3,16,dh_key.prime); + write(sockfd,buff,sizeof(buff)); + gmp_printf("p:%Zd\n",dh_key.prime); + + //receive A + bzero(buff, MAX_size); + read(sockfd,buff,sizeof(buff)); + mpz_t key_from_c; + mpz_init(key_from_c); + mpz_set_str(key_from_c,buff+3,16); + gmp_printf("A:%Zd\n",key_from_c); + + //calculate private key b + generate_key(32, &dh_key); + gmp_printf("b:%Zd\n",dh_key.private_key); + + //B=g^b(mod p) + mpz_powm(dh_key.public_key, dh_key.base, dh_key.private_key, dh_key.prime); + gmp_printf("B:%Zd\n",dh_key.public_key); + + //send B + bzero(buff, MAX_size); + memcpy(buff,"pub",3); + mpz_get_str(buff+3,16,dh_key.public_key); + write(sockfd, buff, sizeof(buff)); + + //calc s=g^(ab) + bzero(buff,sizeof(buff)); + mpz_powm(dh_key.key, key_from_c, dh_key.private_key, dh_key.prime); + mpz_get_str(buff,16,dh_key.key); + memcpy(aes_key,str2hex(buff),32); + fclose(dh_key.urand); + clear_numbers(&dh_key); +} + +void echo(int sockfd) +{ + char buff[MAX_size]; + int n; + char aes_key[32]; + char echobuf[MAX_size+5]; + bzero(echobuf, sizeof(echobuf)); + // negotiate key for aes 256 + DH_key_exchange_for_server(sockfd, aes_key); + printf("\n"); + print_hex(aes_key, 32); + for (;;) { + bzero(buff, sizeof(buff)); + // read message from client + recv_msg(sockfd, buff, aes_key); + // print buffer + printf("Client: %s", buff); + + // generate echo + memcpy(echobuf,"ECHO:",5); + memcpy(echobuf+5,buff,strlen(buff)); + // send echo + send_msg(sockfd, echobuf, strlen(echobuf),aes_key); + bzero(echobuf, sizeof(echobuf)); + // Exit to stop service + if (strncmp("exit", buff, 4) == 0) { + printf("Server Exit...\n"); + break; + } + } +} + +// main echo +int main(int argc, char **argv) +{ + int sockfd, connfd, len; + struct sockaddr_in servaddr, cli; + + // socket create and verification + sockfd = socket(AF_INET, SOCK_STREAM, 0); + if (sockfd == -1) { + printf("socket creation failed...\n"); + exit(0); + } + else + printf("Socket successfully created..\n"); + bzero(&servaddr, sizeof(servaddr)); + + // assign IP, PORT + servaddr.sin_family = AF_INET; + servaddr.sin_addr.s_addr = htonl(INADDR_ANY); + servaddr.sin_port = htons(atoi(argv[1])); + + // Binding newly created socket to given IP and verification + if ((bind(sockfd, (Sockaddr*)&servaddr, sizeof(servaddr))) != 0) { + printf("socket bind failed\n"); + exit(0); + } + else + printf("Socket successfully binded..\n"); + + // start listen + if ((listen(sockfd, 5)) != 0) { + printf("listen failed\n"); + exit(0); + } + else + printf("start listening\n"); + len = sizeof(cli); + + // Accept the data packet from client and verification + connfd = accept(sockfd, (Sockaddr*)&cli, &len); + if (connfd < 0) { + printf("server acccept failed\n"); + exit(0); + } + else + printf("connected\n"); + + // callback echo + echo(connfd); + + // close socket + close(sockfd); +} + diff --git a/server/server_p.c b/server/server_p.c new file mode 100644 index 0000000..ceaff9f --- /dev/null +++ b/server/server_p.c @@ -0,0 +1,189 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include "Diffie_hellman.c" +#include "aes.h" +#define MAX_size 256 +#define Sockaddr struct sockaddr + +#define DEBUF +// Function designed for chat between client and server. + +void recv_msg(int sockfd, char * buf, unsigned char *key){ + char buff[MAX_size]; + //add(16)+iv(12)+tag(16)+data + unsigned char iv[12],add[16],tag[16]; + int l=read(sockfd, buff, sizeof(buff)); + memcpy(add,buff+4,16); + memcpy(iv,buff+16+4,12); + memset(tag,0,16); + int tmp=aes_gcm_ad(key, 32, iv, 12,buff+44+4, l-44-4, add, 16, tag, buf); + +} + +void send_msg(int sockfd, char * buff, int con_len, unsigned char *key){ + //add(16)+iv(12)+tag(16)+data + unsigned char * cryptbuf=(unsigned char*)malloc(con_len + 44 + 4); + memset(cryptbuf, 0, con_len + 44 + 4); + //add+iv + unsigned char iv[12],add[16],tag[16]; + memset(tag,0,16); + for(int j=0;j<16;j++) + add[j]=rand()%256; + for(int j=0;j<12;j++) + iv[j]=rand()%256; + //鍔犲瘑 + int tmp; + tmp = aes_gcm_ae(key, 32, iv, 12, buff, con_len, add, 16, cryptbuf + 44 + 4, tag); + memcpy(cryptbuf + 4, add, 16); + memcpy(cryptbuf + 20, iv, 12); + memcpy(cryptbuf + 32, tag, 16); + memcpy(cryptbuf, "daaa", 4); + int f; + f = write(sockfd, cryptbuf, con_len + 44 + 4); +} + +void DH_key_exchange_for_server(int sockfd, unsigned char* aes_key){ + Dh_key dh_key; + char buff[MAX_size]; + init_numbers(&dh_key); + + dh_key.urand = fopen("/dev/urandom","r"); + if(NULL == dh_key.urand) + { + fprintf(stderr, "Failed to init randomization\n"); + exit(1); + } + init_prime(32,&dh_key); + //send p + bzero(buff, MAX_size); + memcpy(buff,"prt",3); + mpz_get_str(buff+3,16,dh_key.prime); + write(sockfd,buff,sizeof(buff)); + gmp_printf("p:%Zd\n",dh_key.prime); + + //receive A + bzero(buff, MAX_size); + read(sockfd,buff,sizeof(buff)); + mpz_t key_from_c; + mpz_init(key_from_c); + mpz_set_str(key_from_c,buff+3,16); + gmp_printf("A:%Zd\n",key_from_c); + + //calculate private key b + generate_key(32, &dh_key); + gmp_printf("b:%Zd\n",dh_key.private_key); + + //B=g^b(mod p) + mpz_powm(dh_key.public_key, dh_key.base, dh_key.private_key, dh_key.prime); + gmp_printf("B:%Zd\n\n",dh_key.public_key); + + //send B + bzero(buff, MAX_size); + memcpy(buff,"pud",3); + mpz_get_str(buff+3,16,dh_key.public_key); + write(sockfd, buff, sizeof(buff)); + + //calc s=g^(ab) + bzero(buff,sizeof(buff)); + mpz_powm(dh_key.key, key_from_c, dh_key.private_key, dh_key.prime); + mpz_get_str(buff,16,dh_key.key); + memcpy(aes_key,str2hex(buff),32); + fclose(dh_key.urand); + clear_numbers(&dh_key); +} + +void echo(int sockfd) +{ + char buff[MAX_size]; + int n; + char aes_key[32]; + char echobuf[MAX_size+5]; + bzero(echobuf, sizeof(echobuf)); + // negotiate key for aes 256 + DH_key_exchange_for_server(sockfd, aes_key); + print_hex(aes_key, 32); + for (;;) { + bzero(buff, sizeof(buff)); + // read message from client + recv_msg(sockfd, buff, aes_key); + // print buffer + printf("Client: %s", buff); + + // generate echo + memcpy(echobuf,"ECHO:",5); + memcpy(echobuf+5,buff,strlen(buff)); + // send echo + send_msg(sockfd, echobuf, strlen(echobuf),aes_key); + bzero(echobuf, sizeof(echobuf)); + // Exit to stop service + if (strncmp("exit", buff, 4) == 0) { + printf("Server Exit...\n"); + break; + } + } +} + +// main echo +int main(int argc, char **argv) +{ + if(argc!=2){ + puts("./server port"); + return 0; + } + int sockfd, connfd, len; + struct sockaddr_in servaddr, cli; + + // socket create and verification + sockfd = socket(AF_INET, SOCK_STREAM, 0); + if (sockfd == -1) { + printf("socket creation failed...\n"); + exit(0); + } + else + printf("Socket successfully created..\n"); + bzero(&servaddr, sizeof(servaddr)); + + // assign IP, PORT + servaddr.sin_family = AF_INET; + servaddr.sin_addr.s_addr = htonl(INADDR_ANY); + servaddr.sin_port = htons(atoi(argv[1])); + + // Binding newly created socket to given IP and verification + if ((bind(sockfd, (Sockaddr*)&servaddr, sizeof(servaddr))) != 0) { + printf("socket bind failed\n"); + exit(0); + } + else + printf("Socket successfully binded..\n"); + + // start listen + if ((listen(sockfd, 5)) != 0) { + printf("listen failed\n"); + exit(0); + } + else + printf("start listening\n"); + len = sizeof(cli); + + // Accept the data packet from client and verification + connfd = accept(sockfd, (Sockaddr*)&cli, &len); + if (connfd < 0) { + printf("server acccept failed\n"); + exit(0); + } + else + printf("connected\n"); + + // callback echo + echo(connfd); + + // close socket + close(sockfd); +} +