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md5.cu
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md5.cu
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/**
**********************************************************************
** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
** **
** License to copy and use this software is granted provided that **
** it is identified as the "RSA Data Security, Inc. MD5 Message **
** Digest Algorithm" in all material mentioning or referencing this **
** software or this function. **
** **
** License is also granted to make and use derivative works **
** provided that such works are identified as "derived from the RSA **
** Data Security, Inc. MD5 Message Digest Algorithm" in all **
** material mentioning or referencing the derived work. **
** **
** RSA Data Security, Inc. makes no representations concerning **
** either the merchantability of this software or the suitability **
** of this software for any particular purpose. It is provided "as **
** is" without express or implied warranty of any kind. **
** **
** These notices must be retained in any copies of any part of this **
** documentation and/or software. **
**********************************************************************
*/
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <stdint.h>
#include <cuda_runtime.h>
#include <cuda_runtime_api.h>
#include <curand_kernel.h>
#include <device_functions.h>
/* F, G and H are basic MD5 functions: selection, majority, parity */
#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)))
/* ROTATE_LEFT rotates x left n bits */
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
/* Rotation is separate from addition to prevent recomputation */
#define FF(a, b, c, d, x, s, ac) \
{(a) += F ((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define GG(a, b, c, d, x, s, ac) \
{(a) += G ((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define HH(a, b, c, d, x, s, ac) \
{(a) += H ((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define II(a, b, c, d, x, s, ac) \
{(a) += I ((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
__device__ inline void md5Hash(unsigned char* data, uint32_t length, uint32_t *a1, uint32_t *b1, uint32_t *c1, uint32_t *d1){
const uint32_t a0 = 0x67452301;
const uint32_t b0 = 0xEFCDAB89;
const uint32_t c0 = 0x98BADCFE;
const uint32_t d0 = 0x10325476;
uint32_t a = 0;
uint32_t b = 0;
uint32_t c = 0;
uint32_t d = 0;
uint32_t vals[14] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0};
int i = 0;
for(i=0; i < length; i++){
vals[i / 4] |= data[i] << ((i % 4) * 8);
}
vals[i / 4] |= 0x80 << ((i % 4) * 8);
uint32_t bitlen = length * 8;
#define in0 (vals[0])//x
#define in1 (vals[1])//y
#define in2 (vals[2])//z
#define in3 (vals[3])
#define in4 (vals[4])
#define in5 (vals[5])
#define in6 (vals[6])
#define in7 (vals[7])
#define in8 (vals[8])
#define in9 (vals[9])
#define in10 (vals[10])
#define in11 (vals[11])
#define in12 (vals[12])
#define in13 (vals[13])
#define in14 (bitlen) //w = bit length
#define in15 (0)
//Initialize hash value for this chunk:
a = a0;
b = b0;
c = c0;
d = d0;
/* Round 1 */
#define S11 7
#define S12 12
#define S13 17
#define S14 22
FF ( a, b, c, d, in0, S11, 3614090360); /* 1 */
FF ( d, a, b, c, in1, S12, 3905402710); /* 2 */
FF ( c, d, a, b, in2, S13, 606105819); /* 3 */
FF ( b, c, d, a, in3, S14, 3250441966); /* 4 */
FF ( a, b, c, d, in4, S11, 4118548399); /* 5 */
FF ( d, a, b, c, in5, S12, 1200080426); /* 6 */
FF ( c, d, a, b, in6, S13, 2821735955); /* 7 */
FF ( b, c, d, a, in7, S14, 4249261313); /* 8 */
FF ( a, b, c, d, in8, S11, 1770035416); /* 9 */
FF ( d, a, b, c, in9, S12, 2336552879); /* 10 */
FF ( c, d, a, b, in10, S13, 4294925233); /* 11 */
FF ( b, c, d, a, in11, S14, 2304563134); /* 12 */
FF ( a, b, c, d, in12, S11, 1804603682); /* 13 */
FF ( d, a, b, c, in13, S12, 4254626195); /* 14 */
FF ( c, d, a, b, in14, S13, 2792965006); /* 15 */
FF ( b, c, d, a, in15, S14, 1236535329); /* 16 */
/* Round 2 */
#define S21 5
#define S22 9
#define S23 14
#define S24 20
GG ( a, b, c, d, in1, S21, 4129170786); /* 17 */
GG ( d, a, b, c, in6, S22, 3225465664); /* 18 */
GG ( c, d, a, b, in11, S23, 643717713); /* 19 */
GG ( b, c, d, a, in0, S24, 3921069994); /* 20 */
GG ( a, b, c, d, in5, S21, 3593408605); /* 21 */
GG ( d, a, b, c, in10, S22, 38016083); /* 22 */
GG ( c, d, a, b, in15, S23, 3634488961); /* 23 */
GG ( b, c, d, a, in4, S24, 3889429448); /* 24 */
GG ( a, b, c, d, in9, S21, 568446438); /* 25 */
GG ( d, a, b, c, in14, S22, 3275163606); /* 26 */
GG ( c, d, a, b, in3, S23, 4107603335); /* 27 */
GG ( b, c, d, a, in8, S24, 1163531501); /* 28 */
GG ( a, b, c, d, in13, S21, 2850285829); /* 29 */
GG ( d, a, b, c, in2, S22, 4243563512); /* 30 */
GG ( c, d, a, b, in7, S23, 1735328473); /* 31 */
GG ( b, c, d, a, in12, S24, 2368359562); /* 32 */
/* Round 3 */
#define S31 4
#define S32 11
#define S33 16
#define S34 23
HH ( a, b, c, d, in5, S31, 4294588738); /* 33 */
HH ( d, a, b, c, in8, S32, 2272392833); /* 34 */
HH ( c, d, a, b, in11, S33, 1839030562); /* 35 */
HH ( b, c, d, a, in14, S34, 4259657740); /* 36 */
HH ( a, b, c, d, in1, S31, 2763975236); /* 37 */
HH ( d, a, b, c, in4, S32, 1272893353); /* 38 */
HH ( c, d, a, b, in7, S33, 4139469664); /* 39 */
HH ( b, c, d, a, in10, S34, 3200236656); /* 40 */
HH ( a, b, c, d, in13, S31, 681279174); /* 41 */
HH ( d, a, b, c, in0, S32, 3936430074); /* 42 */
HH ( c, d, a, b, in3, S33, 3572445317); /* 43 */
HH ( b, c, d, a, in6, S34, 76029189); /* 44 */
HH ( a, b, c, d, in9, S31, 3654602809); /* 45 */
HH ( d, a, b, c, in12, S32, 3873151461); /* 46 */
HH ( c, d, a, b, in15, S33, 530742520); /* 47 */
HH ( b, c, d, a, in2, S34, 3299628645); /* 48 */
/* Round 4 */
#define S41 6
#define S42 10
#define S43 15
#define S44 21
II ( a, b, c, d, in0, S41, 4096336452); /* 49 */
II ( d, a, b, c, in7, S42, 1126891415); /* 50 */
II ( c, d, a, b, in14, S43, 2878612391); /* 51 */
II ( b, c, d, a, in5, S44, 4237533241); /* 52 */
II ( a, b, c, d, in12, S41, 1700485571); /* 53 */
II ( d, a, b, c, in3, S42, 2399980690); /* 54 */
II ( c, d, a, b, in10, S43, 4293915773); /* 55 */
II ( b, c, d, a, in1, S44, 2240044497); /* 56 */
II ( a, b, c, d, in8, S41, 1873313359); /* 57 */
II ( d, a, b, c, in15, S42, 4264355552); /* 58 */
II ( c, d, a, b, in6, S43, 2734768916); /* 59 */
II ( b, c, d, a, in13, S44, 1309151649); /* 60 */
II ( a, b, c, d, in4, S41, 4149444226); /* 61 */
II ( d, a, b, c, in11, S42, 3174756917); /* 62 */
II ( c, d, a, b, in2, S43, 718787259); /* 63 */
II ( b, c, d, a, in9, S44, 3951481745); /* 64 */
a += a0;
b += b0;
c += c0;
d += d0;
*a1 = a;
*b1 = b;
*c1 = c;
*d1 = d;
}