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hashcat/include/cpu-md5.c
2015-12-04 15:47:52 +01:00

309 lines
9.2 KiB
C

#define MAGIC_A 0x67452301
#define MAGIC_B 0xefcdab89
#define MAGIC_C 0x98badcfe
#define MAGIC_D 0x10325476
#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 FF(a, b, c, d, x, s, ac) \
{(a) += F ((b), (c), (d)) + (x) + (ac); \
(a) = rotl32 ((a), (s)); \
(a) += (b); \
}
#define GG(a, b, c, d, x, s, ac) \
{(a) += G ((b), (c), (d)) + (x) + (ac); \
(a) = rotl32 ((a), (s)); \
(a) += (b); \
}
#define HH(a, b, c, d, x, s, ac) \
{(a) += H ((b), (c), (d)) + (x) + (ac); \
(a) = rotl32 ((a), (s)); \
(a) += (b); \
}
#define II(a, b, c, d, x, s, ac) \
{(a) += I ((b), (c), (d)) + (x) + (ac); \
(a) = rotl32 ((a), (s)); \
(a) += (b); \
}
void md5_64 (uint block[16], uint digest[4])
{
uint a = digest[0];
uint b = digest[1];
uint c = digest[2];
uint d = digest[3];
#define S11 7
#define S12 12
#define S13 17
#define S14 22
FF ( a, b, c, d, block[ 0], S11, 0xd76aa478);
FF ( d, a, b, c, block[ 1], S12, 0xe8c7b756);
FF ( c, d, a, b, block[ 2], S13, 0x242070db);
FF ( b, c, d, a, block[ 3], S14, 0xc1bdceee);
FF ( a, b, c, d, block[ 4], S11, 0xf57c0faf);
FF ( d, a, b, c, block[ 5], S12, 0x4787c62a);
FF ( c, d, a, b, block[ 6], S13, 0xa8304613);
FF ( b, c, d, a, block[ 7], S14, 0xfd469501);
FF ( a, b, c, d, block[ 8], S11, 0x698098d8);
FF ( d, a, b, c, block[ 9], S12, 0x8b44f7af);
FF ( c, d, a, b, block[10], S13, 0xffff5bb1);
FF ( b, c, d, a, block[11], S14, 0x895cd7be);
FF ( a, b, c, d, block[12], S11, 0x6b901122);
FF ( d, a, b, c, block[13], S12, 0xfd987193);
FF ( c, d, a, b, block[14], S13, 0xa679438e);
FF ( b, c, d, a, block[15], S14, 0x49b40821);
#define S21 5
#define S22 9
#define S23 14
#define S24 20
GG ( a, b, c, d, block[ 1], S21, 0xf61e2562);
GG ( d, a, b, c, block[ 6], S22, 0xc040b340);
GG ( c, d, a, b, block[11], S23, 0x265e5a51);
GG ( b, c, d, a, block[ 0], S24, 0xe9b6c7aa);
GG ( a, b, c, d, block[ 5], S21, 0xd62f105d);
GG ( d, a, b, c, block[10], S22, 0x02441453);
GG ( c, d, a, b, block[15], S23, 0xd8a1e681);
GG ( b, c, d, a, block[ 4], S24, 0xe7d3fbc8);
GG ( a, b, c, d, block[ 9], S21, 0x21e1cde6);
GG ( d, a, b, c, block[14], S22, 0xc33707d6);
GG ( c, d, a, b, block[ 3], S23, 0xf4d50d87);
GG ( b, c, d, a, block[ 8], S24, 0x455a14ed);
GG ( a, b, c, d, block[13], S21, 0xa9e3e905);
GG ( d, a, b, c, block[ 2], S22, 0xfcefa3f8);
GG ( c, d, a, b, block[ 7], S23, 0x676f02d9);
GG ( b, c, d, a, block[12], S24, 0x8d2a4c8a);
#define S31 4
#define S32 11
#define S33 16
#define S34 23
HH ( a, b, c, d, block[ 5], S31, 0xfffa3942);
HH ( d, a, b, c, block[ 8], S32, 0x8771f681);
HH ( c, d, a, b, block[11], S33, 0x6d9d6122);
HH ( b, c, d, a, block[14], S34, 0xfde5380c);
HH ( a, b, c, d, block[ 1], S31, 0xa4beea44);
HH ( d, a, b, c, block[ 4], S32, 0x4bdecfa9);
HH ( c, d, a, b, block[ 7], S33, 0xf6bb4b60);
HH ( b, c, d, a, block[10], S34, 0xbebfbc70);
HH ( a, b, c, d, block[13], S31, 0x289b7ec6);
HH ( d, a, b, c, block[ 0], S32, 0xeaa127fa);
HH ( c, d, a, b, block[ 3], S33, 0xd4ef3085);
HH ( b, c, d, a, block[ 6], S34, 0x04881d05);
HH ( a, b, c, d, block[ 9], S31, 0xd9d4d039);
HH ( d, a, b, c, block[12], S32, 0xe6db99e5);
HH ( c, d, a, b, block[15], S33, 0x1fa27cf8);
HH ( b, c, d, a, block[ 2], S34, 0xc4ac5665);
#define S41 6
#define S42 10
#define S43 15
#define S44 21
II ( a, b, c, d, block[ 0], S41, 0xf4292244);
II ( d, a, b, c, block[ 7], S42, 0x432aff97);
II ( c, d, a, b, block[14], S43, 0xab9423a7);
II ( b, c, d, a, block[ 5], S44, 0xfc93a039);
II ( a, b, c, d, block[12], S41, 0x655b59c3);
II ( d, a, b, c, block[ 3], S42, 0x8f0ccc92);
II ( c, d, a, b, block[10], S43, 0xffeff47d);
II ( b, c, d, a, block[ 1], S44, 0x85845dd1);
II ( a, b, c, d, block[ 8], S41, 0x6fa87e4f);
II ( d, a, b, c, block[15], S42, 0xfe2ce6e0);
II ( c, d, a, b, block[ 6], S43, 0xa3014314);
II ( b, c, d, a, block[13], S44, 0x4e0811a1);
II ( a, b, c, d, block[ 4], S41, 0xf7537e82);
II ( d, a, b, c, block[11], S42, 0xbd3af235);
II ( c, d, a, b, block[ 2], S43, 0x2ad7d2bb);
II ( b, c, d, a, block[ 9], S44, 0xeb86d391);
digest[0] += a;
digest[1] += b;
digest[2] += c;
digest[3] += d;
}
// only use this when really, really needed, SLOW
void md5_complete_no_limit (uint digest[4], uint *plain, uint plain_len)
{
uint a = MAGIC_A;
uint b = MAGIC_B;
uint c = MAGIC_C;
uint d = MAGIC_D;
digest[0] = a;
digest[1] = b;
digest[2] = c;
digest[3] = d;
uint r_a = digest[0];
uint r_b = digest[1];
uint r_c = digest[2];
uint r_d = digest[3];
uint block[16];
int block_total_len = 16 * 4; // sizeof (block)
char *block_ptr = (char *) block;
char *plain_ptr = (char *) plain;
// init
int remaining_len = plain_len;
// loop
uint loop = 1;
while (loop)
{
loop = (remaining_len > 55);
int cur_len = MIN (block_total_len, remaining_len);
int copy_len = MAX (cur_len, 0); // should never be negative of course
memcpy (block_ptr, plain_ptr, copy_len);
// clear the remaining bytes of the block
memset (block_ptr + copy_len, 0, block_total_len - copy_len);
/*
* final block
*/
// set 0x80 if neeeded
if (cur_len >= 0)
{
if (cur_len != block_total_len)
{
block_ptr[copy_len] = 0x80;
}
}
// set block[14] set to total_len
if (! loop) block[14] = plain_len * 8;
/*
* md5 ()
*/
#define S11 7
#define S12 12
#define S13 17
#define S14 22
FF ( a, b, c, d, block[ 0], S11, 0xd76aa478);
FF ( d, a, b, c, block[ 1], S12, 0xe8c7b756);
FF ( c, d, a, b, block[ 2], S13, 0x242070db);
FF ( b, c, d, a, block[ 3], S14, 0xc1bdceee);
FF ( a, b, c, d, block[ 4], S11, 0xf57c0faf);
FF ( d, a, b, c, block[ 5], S12, 0x4787c62a);
FF ( c, d, a, b, block[ 6], S13, 0xa8304613);
FF ( b, c, d, a, block[ 7], S14, 0xfd469501);
FF ( a, b, c, d, block[ 8], S11, 0x698098d8);
FF ( d, a, b, c, block[ 9], S12, 0x8b44f7af);
FF ( c, d, a, b, block[10], S13, 0xffff5bb1);
FF ( b, c, d, a, block[11], S14, 0x895cd7be);
FF ( a, b, c, d, block[12], S11, 0x6b901122);
FF ( d, a, b, c, block[13], S12, 0xfd987193);
FF ( c, d, a, b, block[14], S13, 0xa679438e);
FF ( b, c, d, a, block[15], S14, 0x49b40821);
#define S21 5
#define S22 9
#define S23 14
#define S24 20
GG ( a, b, c, d, block[ 1], S21, 0xf61e2562);
GG ( d, a, b, c, block[ 6], S22, 0xc040b340);
GG ( c, d, a, b, block[11], S23, 0x265e5a51);
GG ( b, c, d, a, block[ 0], S24, 0xe9b6c7aa);
GG ( a, b, c, d, block[ 5], S21, 0xd62f105d);
GG ( d, a, b, c, block[10], S22, 0x02441453);
GG ( c, d, a, b, block[15], S23, 0xd8a1e681);
GG ( b, c, d, a, block[ 4], S24, 0xe7d3fbc8);
GG ( a, b, c, d, block[ 9], S21, 0x21e1cde6);
GG ( d, a, b, c, block[14], S22, 0xc33707d6);
GG ( c, d, a, b, block[ 3], S23, 0xf4d50d87);
GG ( b, c, d, a, block[ 8], S24, 0x455a14ed);
GG ( a, b, c, d, block[13], S21, 0xa9e3e905);
GG ( d, a, b, c, block[ 2], S22, 0xfcefa3f8);
GG ( c, d, a, b, block[ 7], S23, 0x676f02d9);
GG ( b, c, d, a, block[12], S24, 0x8d2a4c8a);
#define S31 4
#define S32 11
#define S33 16
#define S34 23
HH ( a, b, c, d, block[ 5], S31, 0xfffa3942);
HH ( d, a, b, c, block[ 8], S32, 0x8771f681);
HH ( c, d, a, b, block[11], S33, 0x6d9d6122);
HH ( b, c, d, a, block[14], S34, 0xfde5380c);
HH ( a, b, c, d, block[ 1], S31, 0xa4beea44);
HH ( d, a, b, c, block[ 4], S32, 0x4bdecfa9);
HH ( c, d, a, b, block[ 7], S33, 0xf6bb4b60);
HH ( b, c, d, a, block[10], S34, 0xbebfbc70);
HH ( a, b, c, d, block[13], S31, 0x289b7ec6);
HH ( d, a, b, c, block[ 0], S32, 0xeaa127fa);
HH ( c, d, a, b, block[ 3], S33, 0xd4ef3085);
HH ( b, c, d, a, block[ 6], S34, 0x04881d05);
HH ( a, b, c, d, block[ 9], S31, 0xd9d4d039);
HH ( d, a, b, c, block[12], S32, 0xe6db99e5);
HH ( c, d, a, b, block[15], S33, 0x1fa27cf8);
HH ( b, c, d, a, block[ 2], S34, 0xc4ac5665);
#define S41 6
#define S42 10
#define S43 15
#define S44 21
II ( a, b, c, d, block[ 0], S41, 0xf4292244);
II ( d, a, b, c, block[ 7], S42, 0x432aff97);
II ( c, d, a, b, block[14], S43, 0xab9423a7);
II ( b, c, d, a, block[ 5], S44, 0xfc93a039);
II ( a, b, c, d, block[12], S41, 0x655b59c3);
II ( d, a, b, c, block[ 3], S42, 0x8f0ccc92);
II ( c, d, a, b, block[10], S43, 0xffeff47d);
II ( b, c, d, a, block[ 1], S44, 0x85845dd1);
II ( a, b, c, d, block[ 8], S41, 0x6fa87e4f);
II ( d, a, b, c, block[15], S42, 0xfe2ce6e0);
II ( c, d, a, b, block[ 6], S43, 0xa3014314);
II ( b, c, d, a, block[13], S44, 0x4e0811a1);
II ( a, b, c, d, block[ 4], S41, 0xf7537e82);
II ( d, a, b, c, block[11], S42, 0xbd3af235);
II ( c, d, a, b, block[ 2], S43, 0x2ad7d2bb);
II ( b, c, d, a, block[ 9], S44, 0xeb86d391);
remaining_len -= block_total_len;
plain_ptr += 64;
a += r_a;
b += r_b;
c += r_c;
d += r_d;
digest[0] = a;
digest[1] = b;
digest[2] = c;
digest[3] = d;
r_a = digest[0];
r_b = digest[1];
r_c = digest[2];
r_d = digest[3];
}
}