MD5校验值program(3) (2008-06-09 09:21:19)

hegangben
2025-07-14 / 0 评论 / 0 阅读 / 正在检测是否收录...

GG (a, b, c, d, x[ 1], S21, 0xf61e2562);

GG (d, a, b, c, x[ 6], S22, 0xc040b340);

GG (c, d, a, b, x[11], S23, 0x265e5a51);

GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa);

GG (a, b, c, d, x[ 5], S21, 0xd62f105d);

GG (d, a, b, c, x[10], S22, 0x2441453);

GG (c, d, a, b, x[15], S23, 0xd8a1e681);

GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8);

GG (a, b, c, d, x[ 9], S21, 0x21e1cde6);

GG (d, a, b, c, x[14], S22, 0xc33707d6);

GG (c, d, a, b, x[ 3], S23, 0xf4d50d87);

GG (b, c, d, a, x[ 8], S24, 0x455a14ed);

GG (a, b, c, d, x[13], S21, 0xa9e3e905);

GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8);

GG (c, d, a, b, x[ 7], S23, 0x676f02d9);

GG (b, c, d, a, x[12], S24, 0x8d2a4c8a);

HH (a, b, c, d, x[ 5], S31, 0xfffa3942);

HH (d, a, b, c, x[ 8], S32, 0x8771f681);

HH (c, d, a, b, x[11], S33, 0x6d9d6122);

HH (b, c, d, a, x[14], S34, 0xfde5380c);

HH (a, b, c, d, x[ 1], S31, 0xa4beea44);

HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9);

HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60);

HH (b, c, d, a, x[10], S34, 0xbebfbc70);

HH (a, b, c, d, x[13], S31, 0x289b7ec6);

HH (d, a, b, c, x[ 0], S32, 0xeaa127fa);

HH (c, d, a, b, x[ 3], S33, 0xd4ef3085);

HH (b, c, d, a, x[ 6], S34, 0x4881d05);

HH (a, b, c, d, x[ 9], S31, 0xd9d4d039);

HH (d, a, b, c, x[12], S32, 0xe6db99e5);

HH (c, d, a, b, x[15], S33, 0x1fa27cf8);

HH (b, c, d, a, x[ 2], S34, 0xc4ac5665);

II (a, b, c, d, x[ 0], S41, 0xf4292244);

II (d, a, b, c, x[ 7], S42, 0x432aff97);

II (c, d, a, b, x[14], S43, 0xab9423a7);

II (b, c, d, a, x[ 5], S44, 0xfc93a039);

II (a, b, c, d, x[12], S41, 0x655b59c3);

II (d, a, b, c, x[ 3], S42, 0x8f0ccc92);

II (c, d, a, b, x[10], S43, 0xffeff47d);

II (b, c, d, a, x[ 1], S44, 0x85845dd1);

II (a, b, c, d, x[ 8], S41, 0x6fa87e4f);

II (d, a, b, c, x[15], S42, 0xfe2ce6e0);

II (c, d, a, b, x[ 6], S43, 0xa3014314);

II (b, c, d, a, x[13], S44, 0x4e0811a1);

II (a, b, c, d, x[ 4], S41, 0xf7537e82);

II (d, a, b, c, x[11], S42, 0xbd3af235);

II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb);

II (b, c, d, a, x[ 9], S44, 0xeb86d391);

state[0] += a;

state[1] += b;

state[2] += c;

state[3] += d;

MD5_memset ((POINTER)x, 0, sizeof (x));

}

void CSecurity::Encode(

unsigned char *output, 

UINT4 *input, 

size_t len 

) 

{

size_t i, j;

for (i = 0, j = 0; j < len; i++, j += 4) {

output[j] = (unsigned char)(input & 0xff);

output[j+1] = (unsigned char)((input >> 8) & 0xff);

output[j+2] = (unsigned char)((input >> 16) & 0xff);

output[j+3] = (unsigned char)((input >> 24) & 0xff);

}

}

void CSecurity::Decode(

UINT4 *output, 

unsigned char *input, 

size_t len 

) 

{

size_t i, j;

for (i = 0, j = 0; j < len; i++, j += 4)

output = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |

(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);

}

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