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hashcat/OpenCL/m15900-pure.cl

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Splitted DPAPI kernel in 2 to increase performances
2017-09-20 17:19:23 +00:00
/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#define NEW_SIMD_CODE
Prepare OpenCL kernels for non-static compilation
2019-03-22 14:16:25 +00:00
#ifdef KERNEL_STATIC
Get rid of OpenCL/inc_hash_constants.h and OpenCL/inc_hash_functions.cl
2019-03-21 22:00:38 +00:00
#include "inc_vendor.h"
#include "inc_types.h"
Add missing inc_platform.h include
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#include "inc_platform.cl"
Splitted DPAPI kernel in 2 to increase performances
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#include "inc_common.cl"
#include "inc_simd.cl"
#include "inc_hash_md4.cl"
#include "inc_hash_sha1.cl"
#include "inc_hash_sha512.cl"
#include "inc_cipher_aes.cl"
Prepare OpenCL kernels for non-static compilation
2019-03-22 14:16:25 +00:00
#endif
Splitted DPAPI kernel in 2 to increase performances
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#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "inc_comp_multi.cl"
Move remaining module specific typedefs and structures from inc_types.cl to kernels
2019-03-08 11:50:31 +00:00
typedef struct dpapimk_tmp_v2
{
u64 ipad64[8];
u64 opad64[8];
u64 dgst64[16];
u64 out64[16];
u32 userKey[8];
} dpapimk_tmp_v2_t;
typedef struct dpapimk
{
u32 context;
u32 SID[32];
u32 SID_len;
u32 SID_offset;
/* here only for possible
forward compatibiliy
*/
// u8 cipher_algo[16];
// u8 hash_algo[16];
u32 iv[4];
u32 contents_len;
u32 contents[128];
} dpapimk_t;
Remove hard-coded static keyword from OpenCL kernels
2019-04-13 16:46:19 +00:00
DECLSPEC void hmac_sha512_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *w4, u32x *w5, u32x *w6, u32x *w7, u64x *ipad, u64x *opad, u64x *digest)
Splitted DPAPI kernel in 2 to increase performances
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{
digest[0] = ipad[0];
digest[1] = ipad[1];
digest[2] = ipad[2];
digest[3] = ipad[3];
digest[4] = ipad[4];
digest[5] = ipad[5];
digest[6] = ipad[6];
digest[7] = ipad[7];
sha512_transform_vector (w0, w1, w2, w3, w4, w5, w6, w7, digest);
w0[0] = h32_from_64 (digest[0]);
w0[1] = l32_from_64 (digest[0]);
w0[2] = h32_from_64 (digest[1]);
w0[3] = l32_from_64 (digest[1]);
w1[0] = h32_from_64 (digest[2]);
w1[1] = l32_from_64 (digest[2]);
w1[2] = h32_from_64 (digest[3]);
w1[3] = l32_from_64 (digest[3]);
w2[0] = h32_from_64 (digest[4]);
w2[1] = l32_from_64 (digest[4]);
w2[2] = h32_from_64 (digest[5]);
w2[3] = l32_from_64 (digest[5]);
w3[0] = h32_from_64 (digest[6]);
w3[1] = l32_from_64 (digest[6]);
w3[2] = h32_from_64 (digest[7]);
w3[3] = l32_from_64 (digest[7]);
w4[0] = 0x80000000;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = (128 + 64) * 8;
digest[0] = opad[0];
digest[1] = opad[1];
digest[2] = opad[2];
digest[3] = opad[3];
digest[4] = opad[4];
digest[5] = opad[5];
digest[6] = opad[6];
digest[7] = opad[7];
sha512_transform_vector (w0, w1, w2, w3, w4, w5, w6, w7, digest);
}
Replace __kernel, __constant, __global and __local qualifiers with macro for better control
2019-03-22 21:27:58 +00:00
KERNEL_FQ void m15900_init (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v2_t, dpapimk_t))
Splitted DPAPI kernel in 2 to increase performances
2017-09-20 17:19:23 +00:00
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
/**
* main
*/
u32 digest_context[5];
if (esalt_bufs[digests_offset].context == 1)
{
/* local credentials */
sha1_ctx_t ctx;
sha1_init (&ctx);
Fixed maximum password length limit which was announced as 256 but actually was 255
2019-02-26 20:20:07 +00:00
sha1_update_global_utf16le_swap (&ctx, pws[gid].i, pws[gid].pw_len);
Splitted DPAPI kernel in 2 to increase performances
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sha1_final (&ctx);
digest_context[0] = ctx.h[0];
digest_context[1] = ctx.h[1];
digest_context[2] = ctx.h[2];
digest_context[3] = ctx.h[3];
digest_context[4] = ctx.h[4];
}
else if (esalt_bufs[digests_offset].context == 2)
{
/* domain credentials */
md4_ctx_t ctx;
md4_init (&ctx);
Fixed maximum password length limit which was announced as 256 but actually was 255
2019-02-26 20:20:07 +00:00
md4_update_global_utf16le (&ctx, pws[gid].i, pws[gid].pw_len);
Splitted DPAPI kernel in 2 to increase performances
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md4_final (&ctx);
digest_context[0] = ctx.h[0];
digest_context[1] = ctx.h[1];
digest_context[2] = ctx.h[2];
digest_context[3] = ctx.h[3];
digest_context[4] = 0;
Rename some functions in inc_common.cl to avoid conflicts with bitops.c
2019-03-23 21:15:38 +00:00
digest_context[0] = hc_swap32_S (digest_context[0]);
digest_context[1] = hc_swap32_S (digest_context[1]);
digest_context[2] = hc_swap32_S (digest_context[2]);
digest_context[3] = hc_swap32_S (digest_context[3]);
Splitted DPAPI kernel in 2 to increase performances
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}
/* initialize hmac-sha1 */
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = digest_context[0];
w0[1] = digest_context[1];
w0[2] = digest_context[2];
w0[3] = digest_context[3];
w1[0] = digest_context[4];
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_ctx_t ctx;
sha1_hmac_init_64 (&ctx, w0, w1, w2, w3);
sha1_hmac_update_global (&ctx, esalt_bufs[digests_offset].SID, esalt_bufs[digests_offset].SID_len);
sha1_hmac_final (&ctx);
u32 key[5];
key[0] = ctx.opad.h[0];
key[1] = ctx.opad.h[1];
key[2] = ctx.opad.h[2];
key[3] = ctx.opad.h[3];
key[4] = ctx.opad.h[4];
/* this key is used as password for pbkdf2-hmac-sha512 */
tmps[gid].userKey[0] = key[0];
tmps[gid].userKey[1] = key[1];
tmps[gid].userKey[2] = key[2];
tmps[gid].userKey[3] = key[3];
tmps[gid].userKey[4] = key[4];
u32 w4[4];
u32 w5[4];
u32 w6[4];
u32 w7[4];
w0[0] = key[0];
w0[1] = key[1];
w0[2] = key[2];
w0[3] = key[3];
w1[0] = key[4];
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;
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_ctx_t sha512_hmac_ctx;
sha512_hmac_init_128 (&sha512_hmac_ctx, w0, w1, w2, w3, w5, w5, w6, w7);
tmps[gid].ipad64[0] = sha512_hmac_ctx.ipad.h[0];
tmps[gid].ipad64[1] = sha512_hmac_ctx.ipad.h[1];
tmps[gid].ipad64[2] = sha512_hmac_ctx.ipad.h[2];
tmps[gid].ipad64[3] = sha512_hmac_ctx.ipad.h[3];
tmps[gid].ipad64[4] = sha512_hmac_ctx.ipad.h[4];
tmps[gid].ipad64[5] = sha512_hmac_ctx.ipad.h[5];
tmps[gid].ipad64[6] = sha512_hmac_ctx.ipad.h[6];
tmps[gid].ipad64[7] = sha512_hmac_ctx.ipad.h[7];
tmps[gid].opad64[0] = sha512_hmac_ctx.opad.h[0];
tmps[gid].opad64[1] = sha512_hmac_ctx.opad.h[1];
tmps[gid].opad64[2] = sha512_hmac_ctx.opad.h[2];
tmps[gid].opad64[3] = sha512_hmac_ctx.opad.h[3];
tmps[gid].opad64[4] = sha512_hmac_ctx.opad.h[4];
tmps[gid].opad64[5] = sha512_hmac_ctx.opad.h[5];
tmps[gid].opad64[6] = sha512_hmac_ctx.opad.h[6];
tmps[gid].opad64[7] = sha512_hmac_ctx.opad.h[7];
w0[0] = esalt_bufs[digests_offset].iv[0];
w0[1] = esalt_bufs[digests_offset].iv[1];
w0[2] = esalt_bufs[digests_offset].iv[2];
w0[3] = esalt_bufs[digests_offset].iv[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;
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_update_128 (&sha512_hmac_ctx, w0, w1, w2, w3, w4, w5, w6, w7, 16);
for (u32 i = 0, j = 1; i < 8; i += 8, j += 1)
{
sha512_hmac_ctx_t sha512_hmac_ctx2 = sha512_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;
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_update_128 (&sha512_hmac_ctx2, w0, w1, w2, w3, w4, w5, w6, w7, 4);
sha512_hmac_final (&sha512_hmac_ctx2);
tmps[gid].dgst64[i + 0] = sha512_hmac_ctx2.opad.h[0];
tmps[gid].dgst64[i + 1] = sha512_hmac_ctx2.opad.h[1];
tmps[gid].dgst64[i + 2] = sha512_hmac_ctx2.opad.h[2];
tmps[gid].dgst64[i + 3] = sha512_hmac_ctx2.opad.h[3];
tmps[gid].dgst64[i + 4] = sha512_hmac_ctx2.opad.h[4];
tmps[gid].dgst64[i + 5] = sha512_hmac_ctx2.opad.h[5];
tmps[gid].dgst64[i + 6] = sha512_hmac_ctx2.opad.h[6];
tmps[gid].dgst64[i + 7] = sha512_hmac_ctx2.opad.h[7];
tmps[gid].out64[i + 0] = tmps[gid].dgst64[i + 0];
tmps[gid].out64[i + 1] = tmps[gid].dgst64[i + 1];
tmps[gid].out64[i + 2] = tmps[gid].dgst64[i + 2];
tmps[gid].out64[i + 3] = tmps[gid].dgst64[i + 3];
tmps[gid].out64[i + 4] = tmps[gid].dgst64[i + 4];
tmps[gid].out64[i + 5] = tmps[gid].dgst64[i + 5];
tmps[gid].out64[i + 6] = tmps[gid].dgst64[i + 6];
tmps[gid].out64[i + 7] = tmps[gid].dgst64[i + 7];
}
}
Replace __kernel, __constant, __global and __local qualifiers with macro for better control
2019-03-22 21:27:58 +00:00
KERNEL_FQ void m15900_loop (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v2_t, dpapimk_t))
Splitted DPAPI kernel in 2 to increase performances
2017-09-20 17:19:23 +00:00
{
/**
* base
*/
const u64 gid = get_global_id (0);
if ((gid * VECT_SIZE) >= gid_max) return;
u64x ipad[8];
u64x opad[8];
ipad[0] = pack64v (tmps, ipad64, gid, 0);
ipad[1] = pack64v (tmps, ipad64, gid, 1);
ipad[2] = pack64v (tmps, ipad64, gid, 2);
ipad[3] = pack64v (tmps, ipad64, gid, 3);
ipad[4] = pack64v (tmps, ipad64, gid, 4);
ipad[5] = pack64v (tmps, ipad64, gid, 5);
ipad[6] = pack64v (tmps, ipad64, gid, 6);
ipad[7] = pack64v (tmps, ipad64, gid, 7);
opad[0] = pack64v (tmps, opad64, gid, 0);
opad[1] = pack64v (tmps, opad64, gid, 1);
opad[2] = pack64v (tmps, opad64, gid, 2);
opad[3] = pack64v (tmps, opad64, gid, 3);
opad[4] = pack64v (tmps, opad64, gid, 4);
opad[5] = pack64v (tmps, opad64, gid, 5);
opad[6] = pack64v (tmps, opad64, gid, 6);
opad[7] = pack64v (tmps, opad64, gid, 7);
for (u32 i = 0; i < 8; i += 8)
{
u64x dgst[8];
u64x out[8];
dgst[0] = pack64v (tmps, dgst64, gid, i + 0);
dgst[1] = pack64v (tmps, dgst64, gid, i + 1);
dgst[2] = pack64v (tmps, dgst64, gid, i + 2);
dgst[3] = pack64v (tmps, dgst64, gid, i + 3);
dgst[4] = pack64v (tmps, dgst64, gid, i + 4);
dgst[5] = pack64v (tmps, dgst64, gid, i + 5);
dgst[6] = pack64v (tmps, dgst64, gid, i + 6);
dgst[7] = pack64v (tmps, dgst64, gid, i + 7);
out[0] = pack64v (tmps, out64, gid, i + 0);
out[1] = pack64v (tmps, out64, gid, i + 1);
out[2] = pack64v (tmps, out64, gid, i + 2);
out[3] = pack64v (tmps, out64, gid, i + 3);
out[4] = pack64v (tmps, out64, gid, i + 4);
out[5] = pack64v (tmps, out64, gid, i + 5);
out[6] = pack64v (tmps, out64, gid, i + 6);
out[7] = pack64v (tmps, out64, gid, i + 7);
for (u32 j = 0; j < loop_cnt; j++)
{
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
u32x w4[4];
u32x w5[4];
u32x w6[4];
u32x w7[4];
w0[0] = h32_from_64 (out[0]);
w0[1] = l32_from_64 (out[0]);
w0[2] = h32_from_64 (out[1]);
w0[3] = l32_from_64 (out[1]);
w1[0] = h32_from_64 (out[2]);
w1[1] = l32_from_64 (out[2]);
w1[2] = h32_from_64 (out[3]);
w1[3] = l32_from_64 (out[3]);
w2[0] = h32_from_64 (out[4]);
w2[1] = l32_from_64 (out[4]);
w2[2] = h32_from_64 (out[5]);
w2[3] = l32_from_64 (out[5]);
w3[0] = h32_from_64 (out[6]);
w3[1] = l32_from_64 (out[6]);
w3[2] = h32_from_64 (out[7]);
w3[3] = l32_from_64 (out[7]);
w4[0] = 0x80000000;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = (128 + 64) * 8;
hmac_sha512_run_V (w0, w1, w2, w3, w4, w5, w6, w7, ipad, opad, dgst);
out[0] ^= dgst[0];
out[1] ^= dgst[1];
out[2] ^= dgst[2];
out[3] ^= dgst[3];
out[4] ^= dgst[4];
out[5] ^= dgst[5];
out[6] ^= dgst[6];
out[7] ^= dgst[7];
}
unpack64v (tmps, dgst64, gid, i + 0, dgst[0]);
unpack64v (tmps, dgst64, gid, i + 1, dgst[1]);
unpack64v (tmps, dgst64, gid, i + 2, dgst[2]);
unpack64v (tmps, dgst64, gid, i + 3, dgst[3]);
unpack64v (tmps, dgst64, gid, i + 4, dgst[4]);
unpack64v (tmps, dgst64, gid, i + 5, dgst[5]);
unpack64v (tmps, dgst64, gid, i + 6, dgst[6]);
unpack64v (tmps, dgst64, gid, i + 7, dgst[7]);
unpack64v (tmps, out64, gid, i + 0, out[0]);
unpack64v (tmps, out64, gid, i + 1, out[1]);
unpack64v (tmps, out64, gid, i + 2, out[2]);
unpack64v (tmps, out64, gid, i + 3, out[3]);
unpack64v (tmps, out64, gid, i + 4, out[4]);
unpack64v (tmps, out64, gid, i + 5, out[5]);
unpack64v (tmps, out64, gid, i + 6, out[6]);
unpack64v (tmps, out64, gid, i + 7, out[7]);
}
}
Replace __kernel, __constant, __global and __local qualifiers with macro for better control
2019-03-22 21:27:58 +00:00
KERNEL_FQ void m15900_comp (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v2_t, dpapimk_t))
Splitted DPAPI kernel in 2 to increase performances
2017-09-20 17:19:23 +00:00
{
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
/**
* aes shared
*/
#ifdef REAL_SHM
Add LOCAL_VK to make use of __shared__
2019-05-07 07:01:32 +00:00
LOCAL_VK u32 s_td0[256];
LOCAL_VK u32 s_td1[256];
LOCAL_VK u32 s_td2[256];
LOCAL_VK u32 s_td3[256];
LOCAL_VK u32 s_td4[256];
LOCAL_VK u32 s_te0[256];
LOCAL_VK u32 s_te1[256];
LOCAL_VK u32 s_te2[256];
LOCAL_VK u32 s_te3[256];
LOCAL_VK u32 s_te4[256];
Splitted DPAPI kernel in 2 to increase performances
2017-09-20 17:19:23 +00:00
New Strategy: Instead of using volatile, mark the mode as unstable. Remove all volatiles
2019-03-03 18:18:56 +00:00
for (u32 i = lid; i < 256; i += lsz)
Splitted DPAPI kernel in 2 to increase performances
2017-09-20 17:19:23 +00:00
{
s_td0[i] = td0[i];
s_td1[i] = td1[i];
s_td2[i] = td2[i];
s_td3[i] = td3[i];
s_td4[i] = td4[i];
s_te0[i] = te0[i];
s_te1[i] = te1[i];
s_te2[i] = te2[i];
s_te3[i] = te3[i];
s_te4[i] = te4[i];
}
Replace barrier() with SYNC_THREADS()
2019-04-26 11:34:07 +00:00
SYNC_THREADS ();
Splitted DPAPI kernel in 2 to increase performances
2017-09-20 17:19:23 +00:00
#else
Replace __kernel, __constant, __global and __local qualifiers with macro for better control
2019-03-22 21:27:58 +00:00
CONSTANT_AS u32a *s_td0 = td0;
CONSTANT_AS u32a *s_td1 = td1;
CONSTANT_AS u32a *s_td2 = td2;
CONSTANT_AS u32a *s_td3 = td3;
CONSTANT_AS u32a *s_td4 = td4;
CONSTANT_AS u32a *s_te0 = te0;
CONSTANT_AS u32a *s_te1 = te1;
CONSTANT_AS u32a *s_te2 = te2;
CONSTANT_AS u32a *s_te3 = te3;
CONSTANT_AS u32a *s_te4 = te4;
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#endif
if (gid >= gid_max) return;
/**
* main
*/
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
u32 w4[4];
u32 w5[4];
u32 w6[4];
u32 w7[4];
/* Construct AES key */
u32 key[8];
key[0] = h32_from_64_S (tmps[gid].out64[0]);
key[1] = l32_from_64_S (tmps[gid].out64[0]);
key[2] = h32_from_64_S (tmps[gid].out64[1]);
key[3] = l32_from_64_S (tmps[gid].out64[1]);
key[4] = h32_from_64_S (tmps[gid].out64[2]);
key[5] = l32_from_64_S (tmps[gid].out64[2]);
key[6] = h32_from_64_S (tmps[gid].out64[3]);
key[7] = l32_from_64_S (tmps[gid].out64[3]);
u32 iv[4];
iv[0] = h32_from_64_S (tmps[gid].out64[4]);
iv[1] = l32_from_64_S (tmps[gid].out64[4]);
iv[2] = h32_from_64_S (tmps[gid].out64[5]);
iv[3] = l32_from_64_S (tmps[gid].out64[5]);
#define KEYLEN 60
u32 ks[KEYLEN];
Remove more old GCC diagnostic options
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AES256_set_decrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
Splitted DPAPI kernel in 2 to increase performances
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/* 144 bytes */
u32 decrypted[36] = { 0 };
u32 contents_pos;
u32 contents_off;
u32 wx_off;
for (wx_off = 0, contents_pos = 0, contents_off = 0; contents_pos < esalt_bufs[digests_offset].contents_len; wx_off += 4, contents_pos += 16, contents_off += 4)
{
u32 data[4];
data[0] = esalt_bufs[digests_offset].contents[contents_off + 0];
data[1] = esalt_bufs[digests_offset].contents[contents_off + 1];
data[2] = esalt_bufs[digests_offset].contents[contents_off + 2];
data[3] = esalt_bufs[digests_offset].contents[contents_off + 3];
u32 out[4];
AES256_decrypt (ks, data, out, s_td0, s_td1, s_td2, s_td3, s_td4);
out[0] ^= iv[0];
out[1] ^= iv[1];
out[2] ^= iv[2];
out[3] ^= iv[3];
decrypted[wx_off + 0] = out[0];
decrypted[wx_off + 1] = out[1];
decrypted[wx_off + 2] = out[2];
decrypted[wx_off + 3] = out[3];
iv[0] = data[0];
iv[1] = data[1];
iv[2] = data[2];
iv[3] = data[3];
Fixed out-of-boundary read in DPAPI masterkey file v2 OpenCL kernel
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if (contents_off == 32) break;
Splitted DPAPI kernel in 2 to increase performances
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}
u32 hmacSalt[4];
u32 expectedHmac[16];
u32 lastKey[16];
hmacSalt[0] = decrypted[0];
hmacSalt[1] = decrypted[1];
hmacSalt[2] = decrypted[2];
hmacSalt[3] = decrypted[3];
for(int i = 0; i < 16; i++)
{
expectedHmac[i] = decrypted[i + 4];
lastKey[i] = decrypted[i + 36 - 16];
}
w0[0] = tmps[gid].userKey[0];
w0[1] = tmps[gid].userKey[1];
w0[2] = tmps[gid].userKey[2];
w0[3] = tmps[gid].userKey[3];
w1[0] = tmps[gid].userKey[4];
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;
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_ctx_t ctx;
sha512_hmac_init_128 (&ctx, w0, w1, w2, w3, w4, w5, w6, w7);
w0[0] = hmacSalt[0];
w0[1] = hmacSalt[1];
w0[2] = hmacSalt[2];
w0[3] = hmacSalt[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;
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_update_128 (&ctx, w0, w1, w2, w3, w4, w5, w6, w7, 16);
sha512_hmac_final (&ctx);
w0[0] = h32_from_64_S (ctx.opad.h[0]);
w0[1] = l32_from_64_S (ctx.opad.h[0]);
w0[2] = h32_from_64_S (ctx.opad.h[1]);
w0[3] = l32_from_64_S (ctx.opad.h[1]);
w1[0] = h32_from_64_S (ctx.opad.h[2]);
w1[1] = l32_from_64_S (ctx.opad.h[2]);
w1[2] = h32_from_64_S (ctx.opad.h[3]);
w1[3] = l32_from_64_S (ctx.opad.h[3]);
w2[0] = h32_from_64_S (ctx.opad.h[4]);
w2[1] = l32_from_64_S (ctx.opad.h[4]);
w2[2] = h32_from_64_S (ctx.opad.h[5]);
w2[3] = l32_from_64_S (ctx.opad.h[5]);
w3[0] = h32_from_64_S (ctx.opad.h[6]);
w3[1] = l32_from_64_S (ctx.opad.h[6]);
w3[2] = h32_from_64_S (ctx.opad.h[7]);
w3[3] = l32_from_64_S (ctx.opad.h[7]);
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_init_128 (&ctx, w0, w1, w2, w3, w4, w5, w6, w7);
w0[0] = lastKey[ 0];
w0[1] = lastKey[ 1];
w0[2] = lastKey[ 2];
w0[3] = lastKey[ 3];
w1[0] = lastKey[ 4];
w1[1] = lastKey[ 5];
w1[2] = lastKey[ 6];
w1[3] = lastKey[ 7];
w2[0] = lastKey[ 8];
w2[1] = lastKey[ 9];
w2[2] = lastKey[10];
w2[3] = lastKey[11];
w3[0] = lastKey[12];
w3[1] = lastKey[13];
w3[2] = lastKey[14];
w3[3] = lastKey[15];
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_update_128 (&ctx, w0, w1, w2, w3, w4, w5, w6, w7, 64);
sha512_hmac_final (&ctx);
#define il_pos 0
if ((expectedHmac[0] == h32_from_64_S (ctx.opad.h[0]))
&& (expectedHmac[1] == l32_from_64_S (ctx.opad.h[0]))
&& (expectedHmac[2] == h32_from_64_S (ctx.opad.h[1]))
&& (expectedHmac[3] == l32_from_64_S (ctx.opad.h[1])))
{
if (atomic_inc (&hashes_shown[digests_offset]) == 0)
{
Support for inline VeraCrypt PIM Brute-Force
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
Splitted DPAPI kernel in 2 to increase performances
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}
}
}
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