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cuda_1104
bitcracker/src_OpenCL/kernel_wblocks.cl

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/*
* BitCracker: BitLocker password cracking tool, OpenCL version.
* Copyright (C) 2013-2017 Elena Ago <elena dot ago at gmail dot com>
* Massimo Bernaschi <massimo dot bernaschi at gmail dot com>
*
* This file is part of the BitCracker project: https://github.com/e-ago/bitcracker
*
* BitCracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* BitCracker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with BitCracker. If not, see <http://www.gnu.org/licenses/>.
*/
#define MIN(a,b) (((a)<(b))?(a):(b))
#define AUTHENTICATOR_LENGTH 16
#define AES_CTX_LENGTH 256
#define FALSE 0
#define TRUE 1
#define SALT_SIZE 16
#define MAC_SIZE 16
#define NONCE_SIZE 12
#define IV_SIZE 16
#define VMK_SIZE 44
#define VMK_DECRYPT_SIZE 16
#define DICT_BUFSIZE (50*1024*1024)
#define MAX_PLEN 32
#define UINT32_C(c) c ## UL
#define HASH_SIZE 8 //32
#define ROUND_SHA_NUM 64
#define SINGLE_BLOCK_SHA_SIZE 64
#define SINGLE_BLOCK_W_SIZE 64
#define PADDING_SIZE 40
#define ITERATION_NUMBER 0x100000
#define WORD_SIZE 4
#define INPUT_SIZE 512
#define FIXED_PART_INPUT_CHAIN_HASH 88
#define MAX_INPUT_PASSWORD_LEN 16
#define BLOCK_UNIT 32
#define HASH_SIZE_STRING 32
#define CUDA_GRID_THREAD_X 32 /* 32 - 16*/
#define CUDA_GRID_THREAD_Y 32
#define MAX_SOURCE_SIZE (0x100000)
#define ROR(x, i) (((x) << (32 - (i))) | ((x) >> (i)))
#define LOADSCHEDULE_WPRE(i, j) \
w_blocks_d[j] = \
(unsigned int)block[i * 4 + 0] << 24 \
| (unsigned int)block[i * 4 + 1] << 16 \
| (unsigned int)block[i * 4 + 2] << 8 \
| (unsigned int)block[i * 4 + 3];
#define SCHEDULE_WPRE(i) \
w_blocks_d[i] = w_blocks_d[i - 16] + w_blocks_d[i - 7] \
+ (ROR(w_blocks_d[i - 15], 7) ^ ROR(w_blocks_d[i - 15], 18) ^ (w_blocks_d[i - 15] >> 3)) \
+ (ROR(w_blocks_d[i - 2], 17) ^ ROR(w_blocks_d[i - 2], 19) ^ (w_blocks_d[i - 2] >> 10));
__kernel void opencl_bitcracker_wblocks(int totNumIteration, __global unsigned char * salt_d, __global unsigned char * padding_d, __global unsigned int * w_blocks_d)
{
unsigned long loop = get_global_id(0);
unsigned char block[SINGLE_BLOCK_W_SIZE];
int i, j;
for(i=0; i<SALT_SIZE; i++)
block[i] = salt_d[i];
i+=8;
for(j=0; j<40; i++, j++)
block[i] = padding_d[j];
while(loop < ITERATION_NUMBER)
{
block[16] = (unsigned char) (loop >> (0*8));
block[17] = (unsigned char) (loop >> (1*8));
block[18] = (unsigned char) (loop >> (2*8));
block[19] = (unsigned char) (loop >> (3*8));
block[20] = (unsigned char) (loop >> (4*8));
block[21] = (unsigned char) (loop >> (5*8));
block[22] = (unsigned char) (loop >> (6*8));
block[23] = (unsigned char) (loop >> (7*8));
LOADSCHEDULE_WPRE( 0, (SINGLE_BLOCK_W_SIZE*loop)+0)
LOADSCHEDULE_WPRE( 1, (SINGLE_BLOCK_W_SIZE*loop)+1)
LOADSCHEDULE_WPRE( 2, (SINGLE_BLOCK_W_SIZE*loop)+2)
LOADSCHEDULE_WPRE( 3, (SINGLE_BLOCK_W_SIZE*loop)+3)
LOADSCHEDULE_WPRE( 4, (SINGLE_BLOCK_W_SIZE*loop)+4)
LOADSCHEDULE_WPRE( 5, (SINGLE_BLOCK_W_SIZE*loop)+5)
LOADSCHEDULE_WPRE( 6, (SINGLE_BLOCK_W_SIZE*loop)+6)
LOADSCHEDULE_WPRE( 7, (SINGLE_BLOCK_W_SIZE*loop)+7)
LOADSCHEDULE_WPRE( 8, (SINGLE_BLOCK_W_SIZE*loop)+8)
LOADSCHEDULE_WPRE( 9, (SINGLE_BLOCK_W_SIZE*loop)+9)
LOADSCHEDULE_WPRE(10, (SINGLE_BLOCK_W_SIZE*loop)+10)
LOADSCHEDULE_WPRE(11, (SINGLE_BLOCK_W_SIZE*loop)+11)
LOADSCHEDULE_WPRE(12, (SINGLE_BLOCK_W_SIZE*loop)+12)
LOADSCHEDULE_WPRE(13, (SINGLE_BLOCK_W_SIZE*loop)+13)
LOADSCHEDULE_WPRE(14, (SINGLE_BLOCK_W_SIZE*loop)+14)
LOADSCHEDULE_WPRE(15, (SINGLE_BLOCK_W_SIZE*loop)+15)
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loop += get_global_size(0); //(blockDim.x * gridDim.x * blockDim.y * gridDim.y);
}
}
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