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aes.h
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C/C++ Source or Header
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2005-10-18
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6KB
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150 lines
#ifndef AES_H
#define AES_H
#define LIBMIX_MD5_HASH
#include <mix/lmconfig.h>
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef u1byte
typedef unsigned char u1byte; /* an 8 bit unsigned character type */
typedef unsigned short u2byte; /* a 16 bit unsigned integer type */
typedef unsigned long u4byte; /* a 32 bit unsigned integer type */
typedef signed char s1byte; /* an 8 bit signed character type */
typedef signed short s2byte; /* a 16 bit signed integer type */
typedef signed long s4byte; /* a 32 bit signed integer type */
#endif
/* algorithms */
u4byte *cast_setkey (const u4byte in_key[], const u4byte key_len);
void cast_encrypt (const u4byte in_blk[4], u4byte out_blk[4]);
void cast_decrypt (const u4byte in_blk[4], u4byte out_blk[4]);
u4byte *mars_setkey (const u4byte in_key[], const u4byte key_len);
void mars_encrypt (const u4byte in_blk[4], u4byte out_blk[4]);
void mars_decrypt (const u4byte in_blk[4], u4byte out_blk[4]);
u4byte *safer_setkey (const u4byte in_key[], const u4byte key_len);
void safer_encrypt (const u4byte in_blk[4], u4byte out_blk[4]);
void safer_decrypt (const u4byte in_blk[4], u4byte out_blk[4]);
u4byte *twofish_setkey (const u4byte in_key[], const u4byte key_len);
void twofish_encrypt (const u4byte in_blk[4], u4byte out_blk[4]);
void twofish_decrypt (const u4byte in_blk[4], u4byte out_blk[4]);
u4byte *rijndael_setkey (const u4byte in_key[], const u4byte key_len);
void rijndael_encrypt (const u4byte in_blk[4], u4byte out_blk[4]);
void rijndael_decrypt (const u4byte in_blk[4], u4byte out_blk[4]);
typedef struct
{
unsigned long int state[4];
unsigned long int count[2];
unsigned char buffer[64];
}
MD5_CTX;
void MD5Init(MD5_CTX *);
void MD5Update(MD5_CTX *, const unsigned char *, unsigned int);
void MD5Final(unsigned char[16], MD5_CTX *);
void MD5Transform(unsigned long int[4], const unsigned char[64]);
void md5Encode(unsigned char *, unsigned long int *, unsigned int);
void md5Decode(unsigned long int *, const unsigned char *, unsigned int);
/* esoteric macros =oP */
#ifndef _MSC_VER
#define rotr(x,n) (((x) >> ((int)(n))) | ((x) << (32 - (int)(n))))
#define rotl(x,n) (((x) << ((int)(n))) | ((x) >> (32 - (int)(n))))
#else
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#pragma intrinsic(_lrotr,_lrotl)
#define rotr(x,n) _lrotr(x,n)
#define rotl(x,n) _lrotl(x,n)
#endif
#define bswap(x) (rotl(x, 8) & 0x00ff00ff | rotr(x, 8) & 0xff00ff00)
#define byte(x,n) ((u1byte)((x) >> (8 * n)))
#ifdef BYTE_SWAP
#define io_swap(x) bswap(x)
#else
#define io_swap(x) (x)
#endif
#ifdef WORD_SWAP
#define get_block(x) \
((u4byte*)(x))[0] = io_swap(in_blk[3]); \
((u4byte*)(x))[1] = io_swap(in_blk[2]); \
((u4byte*)(x))[2] = io_swap(in_blk[1]); \
((u4byte*)(x))[3] = io_swap(in_blk[0])
#define put_block(x) \
out_blk[3] = io_swap(((u4byte*)(x))[0]); \
out_blk[2] = io_swap(((u4byte*)(x))[1]); \
out_blk[1] = io_swap(((u4byte*)(x))[2]); \
out_blk[0] = io_swap(((u4byte*)(x))[3])
#define get_key(x,len) \
((u4byte*)(x))[4] = ((u4byte*)(x))[5] = \
((u4byte*)(x))[6] = ((u4byte*)(x))[7] = 0; \
switch((((len) + 63) / 64)) { \
case 2: \
((u4byte*)(x))[0] = io_swap(in_key[3]); \
((u4byte*)(x))[1] = io_swap(in_key[2]); \
((u4byte*)(x))[2] = io_swap(in_key[1]); \
((u4byte*)(x))[3] = io_swap(in_key[0]); \
break; \
case 3: \
((u4byte*)(x))[0] = io_swap(in_key[5]); \
((u4byte*)(x))[1] = io_swap(in_key[4]); \
((u4byte*)(x))[2] = io_swap(in_key[3]); \
((u4byte*)(x))[3] = io_swap(in_key[2]); \
((u4byte*)(x))[4] = io_swap(in_key[1]); \
((u4byte*)(x))[5] = io_swap(in_key[0]); \
break; \
case 4: \
((u4byte*)(x))[0] = io_swap(in_key[7]); \
((u4byte*)(x))[1] = io_swap(in_key[6]); \
((u4byte*)(x))[2] = io_swap(in_key[5]); \
((u4byte*)(x))[3] = io_swap(in_key[4]); \
((u4byte*)(x))[4] = io_swap(in_key[3]); \
((u4byte*)(x))[5] = io_swap(in_key[2]); \
((u4byte*)(x))[6] = io_swap(in_key[1]); \
((u4byte*)(x))[7] = io_swap(in_key[0]); \
}
#else
#define get_block(x) \
((u4byte*)(x))[0] = io_swap(in_blk[0]); \
((u4byte*)(x))[1] = io_swap(in_blk[1]); \
((u4byte*)(x))[2] = io_swap(in_blk[2]); \
((u4byte*)(x))[3] = io_swap(in_blk[3])
#define put_block(x) \
out_blk[0] = io_swap(((u4byte*)(x))[0]); \
out_blk[1] = io_swap(((u4byte*)(x))[1]); \
out_blk[2] = io_swap(((u4byte*)(x))[2]); \
out_blk[3] = io_swap(((u4byte*)(x))[3])
#define get_key(x,len) \
((u4byte*)(x))[4] = ((u4byte*)(x))[5] = \
((u4byte*)(x))[6] = ((u4byte*)(x))[7] = 0; \
switch((((len) + 63) / 64)) { \
case 4: \
((u4byte*)(x))[6] = io_swap(in_key[6]); \
((u4byte*)(x))[7] = io_swap(in_key[7]); \
case 3: \
((u4byte*)(x))[4] = io_swap(in_key[4]); \
((u4byte*)(x))[5] = io_swap(in_key[5]); \
case 2: \
((u4byte*)(x))[0] = io_swap(in_key[0]); \
((u4byte*)(x))[1] = io_swap(in_key[1]); \
((u4byte*)(x))[2] = io_swap(in_key[2]); \
((u4byte*)(x))[3] = io_swap(in_key[3]); \
}
#endif
#ifdef BLOCK_SWAP
#define BYTE_SWAP
#define WORD_SWAP
#endif
#endif