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246
client/aes-common.h
Normal file
246
client/aes-common.h
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#ifndef AES_COMMON_H
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#define AES_COMMON_H
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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/* integer types */
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typedef unsigned char aes_uchar;
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typedef unsigned short aes_ushort;
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typedef unsigned int aes_uint;
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typedef unsigned long long aes_ulong;
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typedef signed char aes_char;
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typedef signed short aes_short;
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typedef signed int aes_int;
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typedef signed long long aes_long;
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/* byte order */
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#if defined(__linux__) || defined(__GLIBC__)
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#include <endian.h>
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#include <byteswap.h>
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#endif /* defined(__linux__) || defined(__GLIBC__) */
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#if defined(__FreeBSD__) || defined(__NetBSD__) || \
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defined(__DragonFly__) || defined(__OpenBSD__)
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#include <sys/types.h>
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#include <sys/endian.h>
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#define __BYTE_ORDER _BYTE_ORDER
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#define __LITTLE_ENDIAN _LITTLE_ENDIAN
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#define __BIG_ENDIAN _BIG_ENDIAN
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#endif /* defined(__FreeBSD__) || defined(__NetBSD__) ||
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* defined(__DragonFly__) || defined(__OpenBSD__) */
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#ifdef sun
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#include <sys/isa_defs.h>
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#ifdef _LITTLE_ENDIAN
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#else
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#define __BYTE_ORDER __BIG_ENDIAN
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#endif
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#endif
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#ifdef _MSC_VER
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#define inline __inline
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif /* _MSC_VER */
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#ifdef __APPLE__
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#include <sys/types.h>
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#include <machine/endian.h>
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#define __BYTE_ORDER BYTE_ORDER
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#define __LITTLE_ENDIAN LITTLE_ENDIAN
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#define __BIG_ENDIAN BIG_ENDIAN
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#endif /* __APPLE__ */
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/* byte swap macros */
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#ifndef bswap_16
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#define bswap_16(a) ((((aes_ushort) (a) & 0xff00) >> 8) | \
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(((aes_ushort) (a) & 0x00ff) << 8))
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#endif
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#ifndef bswap_32
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#if defined __GNUC__
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#define bswap_32(a) __builtin_bswap32(a)
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#else
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#define bswap_32(a) ((((aes_uint) (a) & 0xff000000) >> 24) | \
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(((aes_uint) (a) & 0x00ff0000) >> 8) | \
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(((aes_uint) (a) & 0x0000ff00) << 8) | \
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(((aes_uint) (a) & 0x000000ff) << 24))
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#endif
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#endif
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#ifndef bswap_64
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#if defined __GNUC__
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#define bswap_64(a) __builtin_bswap64(a)
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#else
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#define bswap_64(a) ((((aes_ulong) (a) & 0xff00000000000000ull) >> 56) | \
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(((aes_ulong) (a) & 0x00ff000000000000ull) >> 40) | \
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(((aes_ulong) (a) & 0x0000ff0000000000ull) >> 24) | \
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(((aes_ulong) (a) & 0x000000ff00000000ull) >> 8) | \
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(((aes_ulong) (a) & 0x00000000ff000000ull) << 8) | \
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(((aes_ulong) (a) & 0x0000000000ff0000ull) << 24) | \
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(((aes_ulong) (a) & 0x000000000000ff00ull) << 40) | \
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(((aes_ulong) (a) & 0x00000000000000ffull) << 56))
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#endif
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#endif
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define __ENDIAN_LITTLE__ 1 /* OpenCL */
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#define le_to_host16(n) (n)
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#define host_to_le16(n) (n)
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#define be_to_host16(n) bswap_16(n)
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#define host_to_be16(n) bswap_16(n)
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#define le_to_host32(n) (n)
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#define host_to_le32(n) (n)
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#define be_to_host32(n) bswap_32(n)
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#define host_to_be32(n) bswap_32(n)
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#define le_to_host64(n) (n)
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#define host_to_le64(n) (n)
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#define be_to_host64(n) bswap_64(n)
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#define host_to_be64(n) bswap_64(n)
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#elif __BYTE_ORDER == __BIG_ENDIAN
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#define le_to_host16(n) bswap_16(n)
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#define host_to_le16(n) bswap_16(n)
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#define be_to_host16(n) (n)
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#define host_to_be16(n) (n)
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#define le_to_host32(n) bswap_32(n)
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#define host_to_le32(n) bswap_32(n)
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#define be_to_host32(n) (n)
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#define host_to_be32(n) (n)
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#define le_to_host64(n) bswap_64(n)
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#define host_to_le64(n) bswap_64(n)
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#define be_to_host64(n) (n)
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#define host_to_be64(n) (n)
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#else
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#error Could not determine CPU byte order
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#endif
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/* unaligned memory accesses */
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static inline aes_ushort AES_GET_BE16(const aes_uchar *a)
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{
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return (a[0] << 8) | a[1];
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}
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static inline void AES_PUT_BE16(aes_uchar *a, aes_ushort val)
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{
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a[0] = val >> 8;
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a[1] = val & 0xff;
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}
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static inline aes_ushort AES_GET_LE16(const aes_uchar *a)
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{
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return (a[1] << 8) | a[0];
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}
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static inline void AES_PUT_LE16(aes_uchar *a, aes_ushort val)
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{
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a[1] = val >> 8;
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a[0] = val & 0xff;
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}
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static inline aes_uint AES_GET_BE24(const aes_uchar *a)
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{
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return (a[0] << 16) | (a[1] << 8) | a[2];
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}
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static inline void AES_PUT_BE24(aes_uchar *a, aes_uint val)
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{
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a[0] = (val >> 16) & 0xff;
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a[1] = (val >> 8) & 0xff;
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a[2] = val & 0xff;
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}
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static inline aes_uint AES_GET_BE32(const aes_uchar *a)
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{
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return (a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3];
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}
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static inline void AES_PUT_BE32(aes_uchar *a, aes_uint val)
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{
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a[0] = (val >> 24) & 0xff;
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a[1] = (val >> 16) & 0xff;
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a[2] = (val >> 8) & 0xff;
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a[3] = val & 0xff;
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}
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static inline aes_uint AES_GET_LE32(const aes_uchar *a)
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{
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return (a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0];
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}
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static inline void AES_PUT_LE32(aes_uchar *a, aes_uint val)
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{
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a[3] = (val >> 24) & 0xff;
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a[2] = (val >> 16) & 0xff;
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a[1] = (val >> 8) & 0xff;
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a[0] = val & 0xff;
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}
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static inline aes_ulong AES_GET_BE64(const aes_uchar *a)
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{
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return (((aes_ulong) a[0]) << 56) | (((aes_ulong) a[1]) << 48) |
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(((aes_ulong) a[2]) << 40) | (((aes_ulong) a[3]) << 32) |
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(((aes_ulong) a[4]) << 24) | (((aes_ulong) a[5]) << 16) |
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(((aes_ulong) a[6]) << 8) | ((aes_ulong) a[7]);
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}
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static inline void AES_PUT_BE64(aes_uchar *a, aes_ulong val)
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{
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a[0] = val >> 56;
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a[1] = val >> 48;
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a[2] = val >> 40;
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a[3] = val >> 32;
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a[4] = val >> 24;
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a[5] = val >> 16;
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a[6] = val >> 8;
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a[7] = val & 0xff;
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}
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static inline aes_ulong AES_GET_LE64(const aes_uchar *a)
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{
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return (((aes_ulong) a[7]) << 56) | (((aes_ulong) a[6]) << 48) |
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(((aes_ulong) a[5]) << 40) | (((aes_ulong) a[4]) << 32) |
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(((aes_ulong) a[3]) << 24) | (((aes_ulong) a[2]) << 16) |
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(((aes_ulong) a[1]) << 8) | ((aes_ulong) a[0]);
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}
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static inline void AES_PUT_LE64(aes_uchar *a, aes_ulong val)
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{
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a[7] = val >> 56;
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a[6] = val >> 48;
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a[5] = val >> 40;
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a[4] = val >> 32;
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a[3] = val >> 24;
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a[2] = val >> 16;
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a[1] = val >> 8;
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a[0] = val & 0xff;
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}
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/* function attribute macros */
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#ifndef AES_WARN_UNUSED_RESULT
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#if defined __GNUC__
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#define AES_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
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#else
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#define AES_WARN_UNUSED_RESULT
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#endif /* __GNUC__ */
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#endif /* AES_WARN_UNUSED_RESULT */
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#endif /* AES_COMMON_H */
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