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