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455 lines
9.5 KiB
Common Lisp
455 lines
9.5 KiB
Common Lisp
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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//#define NEW_SIMD_CODE
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#ifdef KERNEL_STATIC
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#include "inc_vendor.h"
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#include "inc_types.h"
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#include "inc_platform.cl"
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#include "inc_common.cl"
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#include "inc_hash_sha256.cl"
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#include "inc_cipher_aes.cl"
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#endif
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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typedef struct bestcrypt_tmp
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{
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u32 salt_pw_buf[33];
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u32 out[8];
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} bestcrypt_tmp_t;
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typedef struct bestcrypt
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{
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u32 data[24];
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} bestcrypt_t;
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KERNEL_FQ void m23900_init (KERN_ATTR_TMPS_ESALT (bestcrypt_tmp_t, bestcrypt_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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const int salt_pw_len = 8 + pws[gid].pw_len;
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u32 comb[16];
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comb[ 0] = salt_bufs[salt_pos].salt_buf[0];
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comb[ 1] = salt_bufs[salt_pos].salt_buf[1];
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comb[ 2] = hc_swap32_S (pws[gid].i[ 0]); // in theory BE is faster because it
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comb[ 3] = hc_swap32_S (pws[gid].i[ 1]); // avoids several other byte swaps later on
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comb[ 4] = hc_swap32_S (pws[gid].i[ 2]);
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comb[ 5] = hc_swap32_S (pws[gid].i[ 3]);
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comb[ 6] = hc_swap32_S (pws[gid].i[ 4]);
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comb[ 7] = hc_swap32_S (pws[gid].i[ 5]);
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comb[ 8] = hc_swap32_S (pws[gid].i[ 6]);
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comb[ 9] = hc_swap32_S (pws[gid].i[ 7]);
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comb[10] = hc_swap32_S (pws[gid].i[ 8]);
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comb[11] = hc_swap32_S (pws[gid].i[ 9]);
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comb[12] = hc_swap32_S (pws[gid].i[10]);
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comb[13] = hc_swap32_S (pws[gid].i[11]);
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comb[14] = hc_swap32_S (pws[gid].i[12]);
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comb[15] = hc_swap32_S (pws[gid].i[13]);
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u32 salt_pw_buf[32 + 1] = { 0 }; // 8 + 56 + 64 = 128 bytes
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for (int i = 0; i < 128; i += salt_pw_len)
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{
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const int idx = i / 4;
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const int mod = i % 4;
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const int full_len = MIN (salt_pw_len, 128 - i);
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const int copy_len = (full_len + 3) / 4; // ceil () + convert to 4-byte block (u32)
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for (int j = 0, k = idx; j < copy_len; j++, k++)
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{
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// salt_pw_buf[k] |= comb[j] >> (mod * 8);
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// if (mod) salt_pw_buf[k + 1] |= comb[j] << ((4 - mod) * 8);
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switch (mod)
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{
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case 0:
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salt_pw_buf[k + 0] |= comb[j];
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break;
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case 1:
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salt_pw_buf[k + 0] |= comb[j] >> 8;
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salt_pw_buf[k + 1] |= comb[j] << 24;
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break;
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case 2:
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salt_pw_buf[k + 0] |= comb[j] >> 16;
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salt_pw_buf[k + 1] |= comb[j] << 16;
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break;
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case 3:
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salt_pw_buf[k + 0] |= comb[j] >> 24;
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salt_pw_buf[k + 1] |= comb[j] << 8;
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break;
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}
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}
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}
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#ifdef _unroll
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#pragma unroll
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#endif
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for (int i = 0; i < 33; i++)
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{
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tmps[gid].salt_pw_buf[i] = salt_pw_buf[i];
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}
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}
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KERNEL_FQ void m23900_loop (KERN_ATTR_TMPS_ESALT (bestcrypt_tmp_t, bestcrypt_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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const int salt_pw_len = 8 + pws[gid].pw_len;
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u32 salt_pw_buf[32 + 1]; // 8 + 56 + 64 = 128 bytes
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#ifdef _unroll
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#pragma unroll
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#endif
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for (int i = 0; i < 33; i++)
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{
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salt_pw_buf[i] = tmps[gid].salt_pw_buf[i];
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}
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u32 tbl[1024] = { 0 }; // 4 KiB lookup table
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for (int i = 0; i < 64; i++)
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{
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const int idx = i / 4;
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const int mod = i % 4;
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// init:
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int k = i * 16;
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int l = idx;
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// tbl[k] |= salt_pw_buf[l] << (mod * 8);
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switch (mod)
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{
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case 0:
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tbl[k] |= salt_pw_buf[l];
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break;
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case 1:
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tbl[k] |= salt_pw_buf[l] << 8;
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break;
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case 2:
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tbl[k] |= salt_pw_buf[l] << 16;
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break;
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case 3:
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tbl[k] |= salt_pw_buf[l] << 24;
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break;
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}
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k += 1;
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l += 1;
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// loop:
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for (int j = 1; j < 16; j++, k++, l++)
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{
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// if (mod) tbl[k - 1] |= salt_pw_buf[l] >> ((4 - mod) * 8);
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// tbl[k] |= salt_pw_buf[l] << (mod * 8);
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switch (mod)
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{
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case 0:
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tbl[k - 0] |= salt_pw_buf[l];
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break;
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case 1:
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tbl[k - 0] |= salt_pw_buf[l] << 8;
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tbl[k - 1] |= salt_pw_buf[l] >> 24;
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break;
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case 2:
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tbl[k - 0] |= salt_pw_buf[l] << 16;
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tbl[k - 1] |= salt_pw_buf[l] >> 16;
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break;
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case 3:
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tbl[k - 0] |= salt_pw_buf[l] << 24;
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tbl[k - 1] |= salt_pw_buf[l] >> 8;
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break;
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}
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}
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// final:
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// if (mod) tbl[k - 1] |= salt_pw_buf[l] >> ((4 - mod) * 8);
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switch (mod)
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{
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case 0:
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break;
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case 1:
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tbl[k - 1] |= salt_pw_buf[l] >> 24;
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break;
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case 2:
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tbl[k - 1] |= salt_pw_buf[l] >> 16;
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break;
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case 3:
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tbl[k - 1] |= salt_pw_buf[l] >> 8;
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break;
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}
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}
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u32 digest[8];
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digest[0] = SHA256M_A;
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digest[1] = SHA256M_B;
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digest[2] = SHA256M_C;
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digest[3] = SHA256M_D;
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digest[4] = SHA256M_E;
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digest[5] = SHA256M_F;
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digest[6] = SHA256M_G;
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digest[7] = SHA256M_H;
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for (int i = 0; i < 65536; i += 64)
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{
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const int idx = (i % salt_pw_len) * 16;
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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w0[0] = tbl[idx + 0];
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w0[1] = tbl[idx + 1];
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w0[2] = tbl[idx + 2];
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w0[3] = tbl[idx + 3];
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w1[0] = tbl[idx + 4];
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w1[1] = tbl[idx + 5];
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w1[2] = tbl[idx + 6];
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w1[3] = tbl[idx + 7];
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w2[0] = tbl[idx + 8];
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w2[1] = tbl[idx + 9];
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w2[2] = tbl[idx + 10];
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w2[3] = tbl[idx + 11];
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w3[0] = tbl[idx + 12];
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w3[1] = tbl[idx + 13];
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w3[2] = tbl[idx + 14];
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w3[3] = tbl[idx + 15];
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sha256_transform (w0, w1, w2, w3, digest);
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}
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tmps[gid].out[0] = digest[0];
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tmps[gid].out[1] = digest[1];
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tmps[gid].out[2] = digest[2];
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tmps[gid].out[3] = digest[3];
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tmps[gid].out[4] = digest[4];
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tmps[gid].out[5] = digest[5];
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tmps[gid].out[6] = digest[6];
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tmps[gid].out[7] = digest[7];
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}
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KERNEL_FQ void m23900_comp (KERN_ATTR_TMPS_ESALT (bestcrypt_tmp_t, bestcrypt_t))
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{
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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const u64 lsz = get_local_size (0);
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/**
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* aes shared
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*/
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#ifdef REAL_SHM
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LOCAL_VK u32 s_td0[256];
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LOCAL_VK u32 s_td1[256];
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LOCAL_VK u32 s_td2[256];
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LOCAL_VK u32 s_td3[256];
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LOCAL_VK u32 s_td4[256];
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LOCAL_VK u32 s_te0[256];
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LOCAL_VK u32 s_te1[256];
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LOCAL_VK u32 s_te2[256];
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LOCAL_VK u32 s_te3[256];
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LOCAL_VK u32 s_te4[256];
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for (u32 i = lid; i < 256; i += lsz)
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{
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s_td0[i] = td0[i];
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s_td1[i] = td1[i];
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s_td2[i] = td2[i];
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s_td3[i] = td3[i];
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s_td4[i] = td4[i];
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s_te0[i] = te0[i];
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s_te1[i] = te1[i];
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s_te2[i] = te2[i];
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s_te3[i] = te3[i];
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s_te4[i] = te4[i];
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}
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SYNC_THREADS ();
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#else
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CONSTANT_AS u32a *s_td0 = td0;
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CONSTANT_AS u32a *s_td1 = td1;
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CONSTANT_AS u32a *s_td2 = td2;
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CONSTANT_AS u32a *s_td3 = td3;
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CONSTANT_AS u32a *s_td4 = td4;
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CONSTANT_AS u32a *s_te0 = te0;
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CONSTANT_AS u32a *s_te1 = te1;
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CONSTANT_AS u32a *s_te2 = te2;
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CONSTANT_AS u32a *s_te3 = te3;
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CONSTANT_AS u32a *s_te4 = te4;
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#endif
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if (gid >= gid_max) return;
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// final transform of sha256:
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u32 digest[8];
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digest[0] = tmps[gid].out[0];
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digest[1] = tmps[gid].out[1];
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digest[2] = tmps[gid].out[2];
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digest[3] = tmps[gid].out[3];
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digest[4] = tmps[gid].out[4];
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digest[5] = tmps[gid].out[5];
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digest[6] = tmps[gid].out[6];
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digest[7] = tmps[gid].out[7];
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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w0[0] = 0x80000000;
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w0[1] = 0;
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w0[2] = 0;
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w0[3] = 0;
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w1[0] = 0;
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w1[1] = 0;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = 65536 * 8;
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sha256_transform (w0, w1, w2, w3, digest);
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/**
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* AES part
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*/
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#define KEYLEN 60
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u32 ks[KEYLEN];
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AES256_set_decrypt_key (ks, digest, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
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u32 iv[4] = { 0 };
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u32 res[20]; // full would be 24 x u32 (96 bytes)
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for (u32 i = 0; i < 20; i += 4) // 96 bytes output would contain the full 32 byte checksum
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{
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u32 data[4];
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data[0] = esalt_bufs[digests_offset].data[i + 0];
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data[1] = esalt_bufs[digests_offset].data[i + 1];
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data[2] = esalt_bufs[digests_offset].data[i + 2];
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data[3] = esalt_bufs[digests_offset].data[i + 3];
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u32 out[4];
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aes256_decrypt (ks, data, out, s_td0, s_td1, s_td2, s_td3, s_td4);
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res[i + 0] = hc_swap32_S (out[0] ^ iv[0]);
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res[i + 1] = hc_swap32_S (out[1] ^ iv[1]);
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res[i + 2] = hc_swap32_S (out[2] ^ iv[2]);
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res[i + 3] = hc_swap32_S (out[3] ^ iv[3]);
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iv[0] = data[0];
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iv[1] = data[1];
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iv[2] = data[2];
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iv[3] = data[3];
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}
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// checksum:
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// sha256_ctx_t ctx;
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// sha256_init (&ctx);
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// sha256_update_swap (&ctx, res, 64);
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// sha256_final (&ctx);
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digest[0] = SHA256M_A;
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digest[1] = SHA256M_B;
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digest[2] = SHA256M_C;
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digest[3] = SHA256M_D;
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digest[4] = SHA256M_E;
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digest[5] = SHA256M_F;
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digest[6] = SHA256M_G;
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digest[7] = SHA256M_H;
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w0[0] = res[ 0];
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w0[1] = res[ 1];
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w0[2] = res[ 2];
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w0[3] = res[ 3];
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w1[0] = res[ 4];
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w1[1] = res[ 5];
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w1[2] = res[ 6];
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w1[3] = res[ 7];
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w2[0] = res[ 8];
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w2[1] = res[ 9];
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w2[2] = res[10];
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w2[3] = res[11];
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w3[0] = res[12];
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w3[1] = res[13];
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w3[2] = res[14];
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w3[3] = res[15];
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sha256_transform (w0, w1, w2, w3, digest);
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w0[0] = 0x80000000;
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w0[1] = 0;
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w0[2] = 0;
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w0[3] = 0;
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w1[0] = 0;
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w1[1] = 0;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = 64 * 8;
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sha256_transform (w0, w1, w2, w3, digest);
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if ((digest[0] == res[16]) &&
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(digest[1] == res[17]) &&
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(digest[2] == res[18]) &&
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(digest[3] == res[19]))
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, 0, 0, 0);
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}
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return;
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}
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}
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