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hashcat/OpenCL/m13600-pure.cl
Jens Steube 04d5e5a119 New Attack-Mode: Association Attack. Like JtR's single mode. Very early 
stage. See hashcat Forum for detailed writeup.
2020-09-29 15:56:32 +02:00

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8.4 KiB
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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#define NEW_SIMD_CODE
#ifdef KERNEL_STATIC
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.cl"
#include "inc_common.cl"
#include "inc_simd.cl"
#include "inc_hash_sha1.cl"
#endif
#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "inc_comp_multi.cl"
typedef struct pbkdf2_sha1_tmp
{
u32 ipad[5];
u32 opad[5];
u32 dgst[32];
u32 out[32];
} pbkdf2_sha1_tmp_t;
typedef struct zip2
{
u32 type;
u32 mode;
u32 magic;
u32 salt_len;
u32 salt_buf[4];
u32 verify_bytes;
u32 compress_length;
u32 data_len;
u32 data_buf[2048];
u32 auth_len;
u32 auth_buf[4];
} zip2_t;
DECLSPEC void hmac_sha1_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, u32x *digest)
{
digest[0] = ipad[0];
digest[1] = ipad[1];
digest[2] = ipad[2];
digest[3] = ipad[3];
digest[4] = ipad[4];
sha1_transform_vector (w0, w1, w2, w3, digest);
w0[0] = digest[0];
w0[1] = digest[1];
w0[2] = digest[2];
w0[3] = digest[3];
w1[0] = digest[4];
w1[1] = 0x80000000;
w1[2] = 0;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (64 + 20) * 8;
digest[0] = opad[0];
digest[1] = opad[1];
digest[2] = opad[2];
digest[3] = opad[3];
digest[4] = opad[4];
sha1_transform_vector (w0, w1, w2, w3, digest);
}
KERNEL_FQ void m13600_init (KERN_ATTR_TMPS_ESALT (pbkdf2_sha1_tmp_t, zip2_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
sha1_hmac_ctx_t sha1_hmac_ctx;
sha1_hmac_init_global_swap (&sha1_hmac_ctx, pws[gid].i, pws[gid].pw_len);
tmps[gid].ipad[0] = sha1_hmac_ctx.ipad.h[0];
tmps[gid].ipad[1] = sha1_hmac_ctx.ipad.h[1];
tmps[gid].ipad[2] = sha1_hmac_ctx.ipad.h[2];
tmps[gid].ipad[3] = sha1_hmac_ctx.ipad.h[3];
tmps[gid].ipad[4] = sha1_hmac_ctx.ipad.h[4];
tmps[gid].opad[0] = sha1_hmac_ctx.opad.h[0];
tmps[gid].opad[1] = sha1_hmac_ctx.opad.h[1];
tmps[gid].opad[2] = sha1_hmac_ctx.opad.h[2];
tmps[gid].opad[3] = sha1_hmac_ctx.opad.h[3];
tmps[gid].opad[4] = sha1_hmac_ctx.opad.h[4];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = hc_swap32_S (esalt_bufs[DIGESTS_OFFSET].salt_buf[0]);
w0[1] = hc_swap32_S (esalt_bufs[DIGESTS_OFFSET].salt_buf[1]);
w0[2] = hc_swap32_S (esalt_bufs[DIGESTS_OFFSET].salt_buf[2]);
w0[3] = hc_swap32_S (esalt_bufs[DIGESTS_OFFSET].salt_buf[3]);
w1[0] = 0;
w1[1] = 0;
w1[2] = 0;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
sha1_hmac_update_64 (&sha1_hmac_ctx, w0, w1, w2, w3, esalt_bufs[DIGESTS_OFFSET].salt_len);
const u32 mode = esalt_bufs[DIGESTS_OFFSET].mode;
int iter_start;
int iter_stop;
switch (mode)
{
case 1: iter_start = 0;
iter_stop = 2;
break;
case 2: iter_start = 1;
iter_stop = 3;
break;
case 3: iter_start = 1;
iter_stop = 4;
break;
}
for (int i = iter_stop - 1, j = iter_stop; i >= iter_start; i--, j--)
{
sha1_hmac_ctx_t sha1_hmac_ctx2 = sha1_hmac_ctx;
w0[0] = j;
w0[1] = 0;
w0[2] = 0;
w0[3] = 0;
w1[0] = 0;
w1[1] = 0;
w1[2] = 0;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
sha1_hmac_update_64 (&sha1_hmac_ctx2, w0, w1, w2, w3, 4);
sha1_hmac_final (&sha1_hmac_ctx2);
const u32 i5 = i * 5;
tmps[gid].dgst[i5 + 0] = sha1_hmac_ctx2.opad.h[0];
tmps[gid].dgst[i5 + 1] = sha1_hmac_ctx2.opad.h[1];
tmps[gid].dgst[i5 + 2] = sha1_hmac_ctx2.opad.h[2];
tmps[gid].dgst[i5 + 3] = sha1_hmac_ctx2.opad.h[3];
tmps[gid].dgst[i5 + 4] = sha1_hmac_ctx2.opad.h[4];
tmps[gid].out[i5 + 0] = tmps[gid].dgst[i5 + 0];
tmps[gid].out[i5 + 1] = tmps[gid].dgst[i5 + 1];
tmps[gid].out[i5 + 2] = tmps[gid].dgst[i5 + 2];
tmps[gid].out[i5 + 3] = tmps[gid].dgst[i5 + 3];
tmps[gid].out[i5 + 4] = tmps[gid].dgst[i5 + 4];
}
}
KERNEL_FQ void m13600_loop (KERN_ATTR_TMPS_ESALT (pbkdf2_sha1_tmp_t, zip2_t))
{
const u64 gid = get_global_id (0);
if ((gid * VECT_SIZE) >= gid_max) return;
u32x ipad[5];
u32x opad[5];
ipad[0] = packv (tmps, ipad, gid, 0);
ipad[1] = packv (tmps, ipad, gid, 1);
ipad[2] = packv (tmps, ipad, gid, 2);
ipad[3] = packv (tmps, ipad, gid, 3);
ipad[4] = packv (tmps, ipad, gid, 4);
opad[0] = packv (tmps, opad, gid, 0);
opad[1] = packv (tmps, opad, gid, 1);
opad[2] = packv (tmps, opad, gid, 2);
opad[3] = packv (tmps, opad, gid, 3);
opad[4] = packv (tmps, opad, gid, 4);
const u32 verify_bytes = esalt_bufs[DIGESTS_OFFSET].verify_bytes;
const u32 mode = esalt_bufs[DIGESTS_OFFSET].mode;
int iter_start;
int iter_stop;
switch (mode)
{
case 1: iter_start = 0;
iter_stop = 2;
break;
case 2: iter_start = 1;
iter_stop = 3;
break;
case 3: iter_start = 1;
iter_stop = 4;
break;
}
for (int i = iter_stop - 1; i >= iter_start; i--)
{
const u32 i5 = i * 5;
u32x dgst[5];
u32x out[5];
dgst[0] = packv (tmps, dgst, gid, i5 + 0);
dgst[1] = packv (tmps, dgst, gid, i5 + 1);
dgst[2] = packv (tmps, dgst, gid, i5 + 2);
dgst[3] = packv (tmps, dgst, gid, i5 + 3);
dgst[4] = packv (tmps, dgst, gid, i5 + 4);
out[0] = packv (tmps, out, gid, i5 + 0);
out[1] = packv (tmps, out, gid, i5 + 1);
out[2] = packv (tmps, out, gid, i5 + 2);
out[3] = packv (tmps, out, gid, i5 + 3);
out[4] = packv (tmps, out, gid, i5 + 4);
for (u32 j = 0; j < loop_cnt; j++)
{
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
w0[0] = dgst[0];
w0[1] = dgst[1];
w0[2] = dgst[2];
w0[3] = dgst[3];
w1[0] = dgst[4];
w1[1] = 0x80000000;
w1[2] = 0;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (64 + 20) * 8;
hmac_sha1_run_V (w0, w1, w2, w3, ipad, opad, dgst);
out[0] ^= dgst[0];
out[1] ^= dgst[1];
out[2] ^= dgst[2];
out[3] ^= dgst[3];
out[4] ^= dgst[4];
}
if (i == iter_stop - 1) // 2 byte optimization check
{
if (mode == 1) if (MATCHES_NONE_VS ((out[3] >> 16), verify_bytes)) break;
if (mode == 2) if (MATCHES_NONE_VS ((out[2] >> 16), verify_bytes)) break;
if (mode == 3) if (MATCHES_NONE_VS ((out[1] >> 16), verify_bytes)) break;
}
unpackv (tmps, dgst, gid, i5 + 0, dgst[0]);
unpackv (tmps, dgst, gid, i5 + 1, dgst[1]);
unpackv (tmps, dgst, gid, i5 + 2, dgst[2]);
unpackv (tmps, dgst, gid, i5 + 3, dgst[3]);
unpackv (tmps, dgst, gid, i5 + 4, dgst[4]);
unpackv (tmps, out, gid, i5 + 0, out[0]);
unpackv (tmps, out, gid, i5 + 1, out[1]);
unpackv (tmps, out, gid, i5 + 2, out[2]);
unpackv (tmps, out, gid, i5 + 3, out[3]);
unpackv (tmps, out, gid, i5 + 4, out[4]);
}
}
KERNEL_FQ void m13600_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha1_tmp_t, zip2_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
const u64 lid = get_local_id (0);
const u32 mode = esalt_bufs[DIGESTS_OFFSET].mode;
u32 iter_start;
u32 iter_stop;
switch (mode)
{
case 1: iter_start = 4;
iter_stop = 8;
break;
case 2: iter_start = 6;
iter_stop = 12;
break;
case 3: iter_start = 8;
iter_stop = 16;
break;
}
u32 key[8] = { 0 };
for (u32 i = iter_start, j = 0; i < iter_stop; i++, j++)
{
key[j] = tmps[gid].out[i];
}
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = key[0];
w0[1] = key[1];
w0[2] = key[2];
w0[3] = key[3];
w1[0] = key[4];
w1[1] = key[5];
w1[2] = key[6];
w1[3] = key[7];
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
sha1_hmac_ctx_t ctx;
sha1_hmac_init_64 (&ctx, w0, w1, w2, w3);
sha1_hmac_update_global_swap (&ctx, esalt_bufs[DIGESTS_OFFSET].data_buf, esalt_bufs[DIGESTS_OFFSET].data_len);
sha1_hmac_final (&ctx);
const u32 r0 = hc_swap32_S (ctx.opad.h[0] & 0xffffffff);
const u32 r1 = hc_swap32_S (ctx.opad.h[1] & 0xffffffff);
const u32 r2 = hc_swap32_S (ctx.opad.h[2] & 0xffff0000);
const u32 r3 = hc_swap32_S (ctx.opad.h[3] & 0x00000000);
#define il_pos 0
#ifdef KERNEL_STATIC
#include COMPARE_M
#endif
}
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