?? md5.h
字號:
#ifndef MD5_H
#define MD5_H
#define DWORD unsigned long/************************************************************************/
/*
//散列算法
MD5、SHA1
//產生隨機數算法
R_GenerateBytes genrandinteruse
//對稱加解密算法
IDEAEncrypt、IDEADecrypt DESEncrypt DESDecrypt DES3Encrypt DES3Decrypt
//非對稱算法
RSAPublicEncrypt RSAPublicDecrypt RSAPrivateEncrypt RSAPrivateDecrypt R_GenerateKeys
*/
/************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
/************************************************************************/
/* 定義常量 */
/************************************************************************/
#ifndef uint8
#define uint8 unsigned char
#endif
#ifndef uint32
#define uint32 unsigned long int
#endif
#ifndef MD
#define MD 5
#endif
#define IN
#define OUT
#define DESEncryptFLAG 0 //加密
#define DESDecryptFLAG 1 //解密
#define DES3EncryptFLAG 2 //加密
#define DES3DecryptFLAG 3 //解密
#define SHA1_BLOCK_SIZE 1024*64
#define MD5_BLOCK_SIZE 1024*64
#define SHA_BLOCK_SIZE 1024*64
#define SHA_BLOCKSIZE 64
#define SHA_DIGESTSIZE 20
typedef unsigned char *POINTER;
typedef unsigned short int UINT2;
typedef unsigned long int UINT4;
typedef UINT4 NN_DIGIT;
typedef UINT2 NN_HALF_DIGIT;
#define NN_DIGIT_BITS 32
#define NN_HALF_DIGIT_BITS 16
#define NN_DIGIT_LEN (NN_DIGIT_BITS / 8)
#define MAX_NN_DIGITS \
((MAX_RSA_MODULUS_LEN + NN_DIGIT_LEN - 1) / NN_DIGIT_LEN + 1)
#define MAX_NN_DIGIT 0xffffffff
#define MAX_NN_HALF_DIGIT 0xffff
#define ANSI_C
#define Idea_nofRound 8 /* number of rounds */
#define Idea_userKeyLen 8 /* user key length (8 or larger) */
#define Idea_dataLen 4 /* plain-/ciphertext block length*/
#define Idea_keyLen (Idea_nofRound * 6 + 4) /* en-/decryption key length */
#define Idea_dataSize (Idea_dataLen * 2) /* 8 bytes = 64 bits */
#define Idea_userKeySize (Idea_userKeyLen * 2) /* 16 bytes = 128 bits */
#define Idea_keySize (Idea_keyLen * 2) /* 104 bytes = 832 bits */
#define MIN_RSA_MODULUS_BITS 508
#define MAX_RSA_MODULUS_BITS 1024
#define MAX_RSA_MODULUS_LEN ((MAX_RSA_MODULUS_BITS + 7) / 8)//128
#define MAX_RSA_PRIME_BITS ((MAX_RSA_MODULUS_BITS + 1) / 2)//512
#define MAX_RSA_PRIME_LEN ((MAX_RSA_PRIME_BITS + 7) / 8)//64
#define LOW_HALF(x) ((x) & MAX_NN_HALF_DIGIT)
#define HIGH_HALF(x) (((x) >> NN_HALF_DIGIT_BITS) & MAX_NN_HALF_DIGIT)
#define TO_HIGH_HALF(x) (((NN_DIGIT)(x)) << NN_HALF_DIGIT_BITS)
#define DIGIT_MSB(x) (unsigned int)(((x) >> (NN_DIGIT_BITS - 1)) & 1)
#define DIGIT_2MSB(x) (unsigned int)(((x) >> (NN_DIGIT_BITS - 2)) & 3)
#define NN_ASSIGN_DIGIT(a, b, digits) {NN_AssignZero (a, digits); a[0] = b;}
#define NN_EQUAL(a, b, digits) (! NN_Cmp (a, b, digits))
/************************************************************************/
/* 定義返回值 */
/************************************************************************/
#define SUCCESS 0 //返回成功
#define FAILE 1 //返回失敗
#define PARAMETER 2 //返回參數錯誤
#define RE_DATA 0x0401
#define RE_LEN 0x0406
#define RE_NEED_RANDOM 0x0408
#define RE_MODULUS_LEN 0x0407
static unsigned int SMALL_PRIMES[] = { 3, 5, 7, 11 };
#define SMALL_PRIME_COUNT 4
/************************************************************************/
/* 定義結構 */
/************************************************************************/
typedef unsigned char *POINTER;
typedef unsigned short int UINT2;
typedef unsigned long int UINT4;
typedef unsigned char BYTE;
typedef unsigned long LONG1;
typedef long int32;
typedef unsigned long u_int32;
typedef unsigned short u_int16;
typedef unsigned char u_int8;
typedef u_int16 Idea_Data[Idea_dataLen];
typedef u_int16 Idea_UserKey[Idea_userKeyLen];
typedef u_int16 Idea_Key[Idea_keyLen];
typedef struct {
unsigned int bits;
unsigned char modulus[MAX_RSA_MODULUS_LEN];
unsigned char exponent[MAX_RSA_MODULUS_LEN];
} R_RSA_PUBLIC_KEY;
typedef struct {
unsigned int bits;
unsigned char modulus[MAX_RSA_MODULUS_LEN];
unsigned char publicExponent[MAX_RSA_MODULUS_LEN];
unsigned char exponent[MAX_RSA_MODULUS_LEN];
unsigned char prime[2][MAX_RSA_PRIME_LEN];
unsigned char primeExponent[2][MAX_RSA_PRIME_LEN];
unsigned char coefficient[MAX_RSA_PRIME_LEN];
} R_RSA_PRIVATE_KEY;
typedef struct {
unsigned int bits;
int useFermat4;
} R_RSA_PROTO_KEY;
typedef struct
{
uint32 esk[32];
uint32 dsk[32];
}des_context;
typedef struct
{
uint32 esk[96];
uint32 dsk[96];
}des3_context;
typedef struct
{
UINT4 state[4];
UINT4 count[2];
unsigned char buffer[64];
} MD5_CTX;
typedef struct {
unsigned long state[5];
unsigned long count[2];
unsigned char buffer[64];
} SHA1_CTX;
typedef struct {
LONG1 digest[5];
LONG1 count_lo, count_hi;
LONG1 data[16];
} SHA_INFO;
#define RANDOM_BYTES_NEEDED 256
typedef struct {
unsigned int bytesNeeded;
unsigned char state[16];
unsigned int outputAvailable;
unsigned char output[16];
} R_RANDOM_STRUCT;
/************************************************************************/
/* SHA定義 */
/************************************************************************/
/* SHA f()-functions */
#define LITTLE_ENDIAN
#define f1(x,y,z) ((x & y) | (~x & z))
#define f2(x,y,z) (x ^ y ^ z)
#define f3(x,y,z) ((x & y) | (x & z) | (y & z))
#define f4(x,y,z) (x ^ y ^ z)
/* SHA constants */
#define CONST1 0x5a827999L
#define CONST2 0x6ed9eba1L
#define CONST3 0x8f1bbcdcL
#define CONST4 0xca62c1d6L
/* 32-bit rotate */
#define ROT32(x,n) ((x << n) | (x >> (32 - n)))
#define FUNC(n,i) \
temp = ROT32(A,5) + f##n(B,C,D) + E + W[i] + CONST##n; \
E = D; D = C; C = ROT32(B,30); B = A; A = temp
/************************************************************************/
/* SHA1定義 */
/************************************************************************/
#define SHA1HANDSOFF
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
#ifdef LITTLE_ENDIAN
#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
|(rol(block->l[i],8)&0x00FF00FF))
#else
#define blk0(i) block->l[i]
#endif
#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
^block->l[(i+2)&15]^block->l[i&15],1))
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
/************************************************************************/
/* MD5定義 */
/************************************************************************/
#define S11 7
#define S12 12
#define S13 17
#define S14 22
#define S21 5
#define S22 9
#define S23 14
#define S24 20
#define S31 4
#define S32 11
#define S33 16
#define S34 23
#define S41 6
#define S42 10
#define S43 15
#define S44 21
static unsigned char PADDING[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
unsigned char DES3_keys[3][8] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
};
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define I(x, y, z) ((y) ^ ((x) | (~z)))
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
#define FF(a, b, c, d, x, s, ac) { \
(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define GG(a, b, c, d, x, s, ac) { \
(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define HH(a, b, c, d, x, s, ac) { \
(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define II(a, b, c, d, x, s, ac) { \
(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
/************************************************************************/
/* 散列算法函數MD5和SHA1算法 */
/************************************************************************/
/************************************************************************/
/* MD5函數 */
/************************************************************************/
static void Encode (unsigned char *output, UINT4 *input, unsigned int len)
{
unsigned int i, j;
for (i = 0, j = 0; j < len; i++, j += 4) {
output[j] = (unsigned char)(input[i] & 0xff);
output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
}
}
static void Decode (UINT4 *output, unsigned char *input, unsigned int len)
{
unsigned int i, j;
for (i = 0, j = 0; j < len; i++, j += 4)
output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
}
static void MD5_memcpy (POINTER output, POINTER input, unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++)
output[i] = input[i];
}
static void MD5_memset (POINTER output, int value, unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++)
((char *)output)[i] = (char)value;
}
static void MD5Transform (UINT4 state[4], unsigned char block[64])
{
UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
Decode (x, block, 64);
/* Round 1 */
FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
/* Round 2 */
GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
/* Round 3 */
HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
/* Round 4 */
II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
MD5_memset ((POINTER)x, 0, sizeof (x));
}
void MD5Init (MD5_CTX *context)
{
context->count[0] = context->count[1] = 0;
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -