Skip to content

Instantly share code, notes, and snippets.

@tbiehn
Last active August 24, 2019 01:50
Show Gist options
  • Save tbiehn/28531fdb324baaeaa2960aae1b9b36ab to your computer and use it in GitHub Desktop.
Save tbiehn/28531fdb324baaeaa2960aae1b9b36ab to your computer and use it in GitHub Desktop.
HashCat unoptimized OpenCL kernel for sha256(sha256($pass).$salt) (XenForo SHA-256)
/**
* Author......: See docs/credits.txt
* License.....: MIT
* 1415 sha256(sha256($pass).$salt)
KERN_TYPE_SHA256_PW_SHA256_SLT
static const char *HT_01415 = "sha256(sha256($pass).$salt)";
DISPLAY_LEN_MIN_1411 = 64 + 1 + 0,
DISPLAY_LEN_MAX_1411 = 64 + 1 + SALT_MAX,
DISPLAY_LEN_MIN_1411H = 64 + 1 + 0,
DISPLAY_LEN_MAX_1411H = 64 + 1 + (SALT_MAX * 2),
HT_01415
*/
//#define NEW_SIMD_CODE
#include "inc_vendor.cl"
#include "inc_hash_constants.h"
#include "inc_hash_functions.cl"
#include "inc_types.cl"
#include "inc_common.cl"
#include "inc_rp.h"
#include "inc_rp.cl"
#include "inc_scalar.cl"
#include "inc_hash_sha256.cl"
#if VECT_SIZE == 1
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i)])
#elif VECT_SIZE == 2
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1])
#elif VECT_SIZE == 4
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3])
#elif VECT_SIZE == 8
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7])
#elif VECT_SIZE == 16
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7], l_bin2asc[(i).s8], l_bin2asc[(i).s9], l_bin2asc[(i).sa], l_bin2asc[(i).sb], l_bin2asc[(i).sc], l_bin2asc[(i).sd], l_bin2asc[(i).se], l_bin2asc[(i).sf])
#endif
__kernel void m01415_mxx (__global pw_t *pws, __constant const kernel_rule_t *rules_buf, __global const pw_t *combs_buf, __global const bf_t *bfs_buf, __global void *tmps, __global void *hooks, __global const u32 *bitmaps_buf_s1_a, __global const u32 *bitmaps_buf_s1_b, __global const u32 *bitmaps_buf_s1_c, __global const u32 *bitmaps_buf_s1_d, __global const u32 *bitmaps_buf_s2_a, __global const u32 *bitmaps_buf_s2_b, __global const u32 *bitmaps_buf_s2_c, __global const u32 *bitmaps_buf_s2_d, __global plain_t *plains_buf, __global const digest_t *digests_buf, __global u32 *hashes_shown, __global const salt_t *salt_bufs, __global const void *esalt_bufs, __global u32 *d_return_buf, __global u32 *d_scryptV0_buf, __global u32 *d_scryptV1_buf, __global u32 *d_scryptV2_buf, __global u32 *d_scryptV3_buf, const u32 bitmap_mask, const u32 bitmap_shift1, const u32 bitmap_shift2, const u32 salt_pos, const u32 loop_pos, const u32 loop_cnt, const u32 il_cnt, const u32 digests_cnt, const u32 digests_offset, const u32 combs_mode, const u64 gid_max)
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= gid_max) return;
/**
* bin2asc table
*/
__local u32 l_bin2asc[256];
for (u32 i = lid; i < 256; i += lsz)
{
const u32 i0 = (i >> 0) & 15;
const u32 i1 = (i >> 4) & 15;
l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 0
| ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 8;
}
/**
* base
*/
COPY_PW (pws[gid]);
const u32 salt_len = salt_bufs[salt_pos].salt_len;
u32 s[64] = { 0 };
for (int i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = swap32_S (salt_bufs[salt_pos].salt_buf[idx]);
}
sha256_ctx_t ctx1;
sha256_ctx_t ctx;
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
{
pw_t tmp = PASTE_PW;
tmp.pw_len = apply_rules (rules_buf[il_pos].cmds, tmp.i, tmp.pw_len);
sha256_init (&ctx1);
sha256_update_swap (&ctx1, tmp.i, tmp.pw_len);
sha256_final (&ctx1);
const u32 a = ctx1.h[0];
const u32 b = ctx1.h[1];
const u32 c = ctx1.h[2];
const u32 d = ctx1.h[3];
const u32 e = ctx1.h[4];
const u32 a1 = ctx1.h[5];
const u32 b1 = ctx1.h[6];
const u32 c1 = ctx1.h[7];
sha256_init (&ctx);
w0[0]=uint_to_hex_lower8_le ((a >> 16) & 255) << 0 | uint_to_hex_lower8_le ((a >> 24) & 255) << 16;
w0[1]=uint_to_hex_lower8_le ((a >> 0) & 255) << 0 | uint_to_hex_lower8_le ((a >> 8) & 255) << 16;
w0[2]=uint_to_hex_lower8_le ((b >> 16) & 255) << 0 | uint_to_hex_lower8_le ((b >> 24) & 255) << 16;
w0[3]=uint_to_hex_lower8_le ((b >> 0) & 255) << 0 | uint_to_hex_lower8_le ((b >> 8) & 255) << 16;
w1[0]=uint_to_hex_lower8_le ((c >> 16) & 255) << 0 | uint_to_hex_lower8_le ((c >> 24) & 255) << 16;
w1[1]=uint_to_hex_lower8_le ((c >> 0) & 255) << 0 | uint_to_hex_lower8_le ((c >> 8) & 255) << 16;
w1[2]=uint_to_hex_lower8_le ((d >> 16) & 255) << 0 | uint_to_hex_lower8_le ((d >> 24) & 255) << 16;
w1[3]=uint_to_hex_lower8_le ((d >> 0) & 255) << 0 | uint_to_hex_lower8_le ((d >> 8) & 255) << 16;
w2[0]=uint_to_hex_lower8_le ((e >> 16) & 255) << 0 | uint_to_hex_lower8_le ((e >> 24) & 255) << 16;
w2[1]=uint_to_hex_lower8_le ((e >> 0) & 255) << 0 | uint_to_hex_lower8_le ((e >> 8) & 255) << 16;
w2[2]=uint_to_hex_lower8_le ((a1 >> 16) & 255) << 0 | uint_to_hex_lower8_le ((a1 >> 24) & 255) << 16;
w2[3]=uint_to_hex_lower8_le ((a1 >> 0) & 255) << 0 | uint_to_hex_lower8_le ((a1 >> 8) & 255) << 16;
w3[0]=uint_to_hex_lower8_le ((b1 >> 16) & 255) << 0 | uint_to_hex_lower8_le ((b1 >> 24) & 255) << 16;
w3[1]=uint_to_hex_lower8_le ((b1 >> 0) & 255) << 0 | uint_to_hex_lower8_le ((b1 >> 8) & 255) << 16;
w3[2]=uint_to_hex_lower8_le ((c1 >> 16) & 255) << 0 | uint_to_hex_lower8_le ((c1 >> 24) & 255) << 16;
w3[3]=uint_to_hex_lower8_le ((c1 >> 0) & 255) << 0 | uint_to_hex_lower8_le ((c1 >> 8) & 255) << 16;
sha256_update_64 (&ctx, w0, w1, w2, w3, 64);
sha256_update (&ctx, s, salt_len);
sha256_final (&ctx);
const u32 r0 = ctx.h[DGST_R0];
const u32 r1 = ctx.h[DGST_R1];
const u32 r2 = ctx.h[DGST_R2];
const u32 r3 = ctx.h[DGST_R3];
COMPARE_M_SCALAR (r0, r1, r2, r3);
}
}
__kernel void m01415_sxx (__global pw_t *pws, __constant const kernel_rule_t *rules_buf, __global const pw_t *combs_buf, __global const bf_t *bfs_buf, __global void *tmps, __global void *hooks, __global const u32 *bitmaps_buf_s1_a, __global const u32 *bitmaps_buf_s1_b, __global const u32 *bitmaps_buf_s1_c, __global const u32 *bitmaps_buf_s1_d, __global const u32 *bitmaps_buf_s2_a, __global const u32 *bitmaps_buf_s2_b, __global const u32 *bitmaps_buf_s2_c, __global const u32 *bitmaps_buf_s2_d, __global plain_t *plains_buf, __global const digest_t *digests_buf, __global u32 *hashes_shown, __global const salt_t *salt_bufs, __global const void *esalt_bufs, __global u32 *d_return_buf, __global u32 *d_scryptV0_buf, __global u32 *d_scryptV1_buf, __global u32 *d_scryptV2_buf, __global u32 *d_scryptV3_buf, const u32 bitmap_mask, const u32 bitmap_shift1, const u32 bitmap_shift2, const u32 salt_pos, const u32 loop_pos, const u32 loop_cnt, const u32 il_cnt, const u32 digests_cnt, const u32 digests_offset, const u32 combs_mode, const u64 gid_max)
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
/**
* bin2asc table
*/
__local u32 l_bin2asc[256];
//LITTLE ENDIAN
for (u32 i = lid; i < 256; i += lsz)
{
const u32 i0 = (i >> 0) & 15;
const u32 i1 = (i >> 4) & 15;
l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 0
| ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 8;
}
if (gid >= gid_max) return;
/**
* digest
*/
const u32 search[4] =
{
digests_buf[digests_offset].digest_buf[DGST_R0],
digests_buf[digests_offset].digest_buf[DGST_R1],
digests_buf[digests_offset].digest_buf[DGST_R2],
digests_buf[digests_offset].digest_buf[DGST_R3]
};
/**
* base
*/
COPY_PW (pws[gid]);
const u32 salt_len = salt_bufs[salt_pos].salt_len;
u32 s[64] = { 0 };
for (int i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = swap32_S (salt_bufs[salt_pos].salt_buf[idx]);
}
sha256_ctx_t ctx1;
sha256_ctx_t ctx;
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
{
pw_t tmp = PASTE_PW;
tmp.pw_len = apply_rules (rules_buf[il_pos].cmds, tmp.i, tmp.pw_len);
sha256_init (&ctx1);
sha256_update_swap (&ctx1, tmp.i, tmp.pw_len);
sha256_final (&ctx1);
const u32 a = ctx1.h[0];
const u32 b = ctx1.h[1];
const u32 c = ctx1.h[2];
const u32 d = ctx1.h[3];
const u32 e = ctx1.h[4];
const u32 a1 = ctx1.h[5];
const u32 b1 = ctx1.h[6];
const u32 c1 = ctx1.h[7];
sha256_init (&ctx);
w0[0]=uint_to_hex_lower8_le ((a >> 16) & 255) << 0 | uint_to_hex_lower8_le ((a >> 24) & 255) << 16;
w0[1]=uint_to_hex_lower8_le ((a >> 0) & 255) << 0 | uint_to_hex_lower8_le ((a >> 8) & 255) << 16;
w0[2]=uint_to_hex_lower8_le ((b >> 16) & 255) << 0 | uint_to_hex_lower8_le ((b >> 24) & 255) << 16;
w0[3]=uint_to_hex_lower8_le ((b >> 0) & 255) << 0 | uint_to_hex_lower8_le ((b >> 8) & 255) << 16;
w1[0]=uint_to_hex_lower8_le ((c >> 16) & 255) << 0 | uint_to_hex_lower8_le ((c >> 24) & 255) << 16;
w1[1]=uint_to_hex_lower8_le ((c >> 0) & 255) << 0 | uint_to_hex_lower8_le ((c >> 8) & 255) << 16;
w1[2]=uint_to_hex_lower8_le ((d >> 16) & 255) << 0 | uint_to_hex_lower8_le ((d >> 24) & 255) << 16;
w1[3]=uint_to_hex_lower8_le ((d >> 0) & 255) << 0 | uint_to_hex_lower8_le ((d >> 8) & 255) << 16;
w2[0]=uint_to_hex_lower8_le ((e >> 16) & 255) << 0 | uint_to_hex_lower8_le ((e >> 24) & 255) << 16;
w2[1]=uint_to_hex_lower8_le ((e >> 0) & 255) << 0 | uint_to_hex_lower8_le ((e >> 8) & 255) << 16;
w2[2]=uint_to_hex_lower8_le ((a1 >> 16) & 255) << 0 | uint_to_hex_lower8_le ((a1 >> 24) & 255) << 16;
w2[3]=uint_to_hex_lower8_le ((a1 >> 0) & 255) << 0 | uint_to_hex_lower8_le ((a1 >> 8) & 255) << 16;
w3[0]=uint_to_hex_lower8_le ((b1 >> 16) & 255) << 0 | uint_to_hex_lower8_le ((b1 >> 24) & 255) << 16;
w3[1]=uint_to_hex_lower8_le ((b1 >> 0) & 255) << 0 | uint_to_hex_lower8_le ((b1 >> 8) & 255) << 16;
w3[2]=uint_to_hex_lower8_le ((c1 >> 16) & 255) << 0 | uint_to_hex_lower8_le ((c1 >> 24) & 255) << 16;
w3[3]=uint_to_hex_lower8_le ((c1 >> 0) & 255) << 0 | uint_to_hex_lower8_le ((c1 >> 8) & 255) << 16;
sha256_update_64 (&ctx, w0, w1, w2, w3, 64);
sha256_update (&ctx, s, salt_len);
sha256_final (&ctx);
const u32 r0 = ctx.h[DGST_R0];
const u32 r1 = ctx.h[DGST_R1];
const u32 r2 = ctx.h[DGST_R2];
const u32 r3 = ctx.h[DGST_R3];
COMPARE_S_SCALAR (r0, r1, r2, r3);
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment