1
0
mirror of https://github.com/hashcat/hashcat.git synced 2024-11-14 03:39:09 +00:00
hashcat/OpenCL/m15900-pure.cl
Jens Steube 8548af5e79 Fixed false negative in hash-mode 15900 (DPAPI masterkey file v2) if password was longer than 64 characters.
Bug was also present in SHA512 based TC and VC kernels, but had no effect because maximum password length is 64.
2021-06-16 12:13:04 +02:00

868 lines
20 KiB
Common Lisp

/**
* 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_md4.cl"
#include "inc_hash_sha1.cl"
#include "inc_hash_sha512.cl"
#include "inc_cipher_aes.cl"
#endif
#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "inc_comp_multi.cl"
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;
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)
{
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);
}
KERNEL_FQ void m15900_init (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v2_t, dpapimk_t))
{
/**
* 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);
sha1_update_global_utf16le_swap (&ctx, pws[gid].i, pws[gid].pw_len);
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);
md4_update_global_utf16le (&ctx, pws[gid].i, pws[gid].pw_len);
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;
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]);
}
/* 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, w4, 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];
}
}
KERNEL_FQ void m15900_loop (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v2_t, dpapimk_t))
{
/**
* 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]);
}
}
KERNEL_FQ void m15900_comp (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v2_t, dpapimk_t))
{
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
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];
for (u32 i = lid; i < 256; i += lsz)
{
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];
}
SYNC_THREADS ();
#else
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;
#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];
AES256_set_decrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
u32 out[4];
u32 hmac_data[4];
hmac_data[0] = esalt_bufs[DIGESTS_OFFSET].contents[0];
hmac_data[1] = esalt_bufs[DIGESTS_OFFSET].contents[1];
hmac_data[2] = esalt_bufs[DIGESTS_OFFSET].contents[2];
hmac_data[3] = esalt_bufs[DIGESTS_OFFSET].contents[3];
u32 expected_key[4];
expected_key[0] = esalt_bufs[DIGESTS_OFFSET].contents[4];
expected_key[1] = esalt_bufs[DIGESTS_OFFSET].contents[5];
expected_key[2] = esalt_bufs[DIGESTS_OFFSET].contents[6];
expected_key[3] = esalt_bufs[DIGESTS_OFFSET].contents[7];
u32 last_iv[4];
last_iv[0] = esalt_bufs[DIGESTS_OFFSET].contents[16];
last_iv[1] = esalt_bufs[DIGESTS_OFFSET].contents[17];
last_iv[2] = esalt_bufs[DIGESTS_OFFSET].contents[18];
last_iv[3] = esalt_bufs[DIGESTS_OFFSET].contents[19];
u32 last_key[16];
last_key[ 0] = esalt_bufs[DIGESTS_OFFSET].contents[20];
last_key[ 1] = esalt_bufs[DIGESTS_OFFSET].contents[21];
last_key[ 2] = esalt_bufs[DIGESTS_OFFSET].contents[22];
last_key[ 3] = esalt_bufs[DIGESTS_OFFSET].contents[23];
last_key[ 4] = esalt_bufs[DIGESTS_OFFSET].contents[24];
last_key[ 5] = esalt_bufs[DIGESTS_OFFSET].contents[25];
last_key[ 6] = esalt_bufs[DIGESTS_OFFSET].contents[26];
last_key[ 7] = esalt_bufs[DIGESTS_OFFSET].contents[27];
last_key[ 8] = esalt_bufs[DIGESTS_OFFSET].contents[28];
last_key[ 9] = esalt_bufs[DIGESTS_OFFSET].contents[29];
last_key[10] = esalt_bufs[DIGESTS_OFFSET].contents[30];
last_key[11] = esalt_bufs[DIGESTS_OFFSET].contents[31];
last_key[12] = esalt_bufs[DIGESTS_OFFSET].contents[32];
last_key[13] = esalt_bufs[DIGESTS_OFFSET].contents[33];
last_key[14] = esalt_bufs[DIGESTS_OFFSET].contents[34];
last_key[15] = esalt_bufs[DIGESTS_OFFSET].contents[35];
// hmac_data
AES256_decrypt (ks, hmac_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];
iv[0] = hmac_data[0];
iv[1] = hmac_data[1];
iv[2] = hmac_data[2];
iv[3] = hmac_data[3];
hmac_data[0] = out[0];
hmac_data[1] = out[1];
hmac_data[2] = out[2];
hmac_data[3] = out[3];
// expected_key
AES256_decrypt (ks, expected_key, 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];
iv[0] = expected_key[0];
iv[1] = expected_key[1];
iv[2] = expected_key[2];
iv[3] = expected_key[3];
expected_key[0] = out[0];
expected_key[1] = out[1];
expected_key[2] = out[2];
expected_key[3] = out[3];
// last_key
iv[0] = last_iv[0];
iv[1] = last_iv[1];
iv[2] = last_iv[2];
iv[3] = last_iv[3];
for (int off = 0; off < 16; off += 4)
{
AES256_decrypt (ks, last_key + off, 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];
iv[0] = last_key[off + 0];
iv[1] = last_key[off + 1];
iv[2] = last_key[off + 2];
iv[3] = last_key[off + 3];
last_key[off + 0] = out[0];
last_key[off + 1] = out[1];
last_key[off + 2] = out[2];
last_key[off + 3] = out[3];
}
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] = hmac_data[0];
w0[1] = hmac_data[1];
w0[2] = hmac_data[2];
w0[3] = hmac_data[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] = last_key[ 0];
w0[1] = last_key[ 1];
w0[2] = last_key[ 2];
w0[3] = last_key[ 3];
w1[0] = last_key[ 4];
w1[1] = last_key[ 5];
w1[2] = last_key[ 6];
w1[3] = last_key[ 7];
w2[0] = last_key[ 8];
w2[1] = last_key[ 9];
w2[2] = last_key[10];
w2[3] = last_key[11];
w3[0] = last_key[12];
w3[1] = last_key[13];
w3[2] = last_key[14];
w3[3] = last_key[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 ((expected_key[0] == h32_from_64_S (ctx.opad.h[0]))
&& (expected_key[1] == l32_from_64_S (ctx.opad.h[0]))
&& (expected_key[2] == h32_from_64_S (ctx.opad.h[1]))
&& (expected_key[3] == l32_from_64_S (ctx.opad.h[1])))
{
if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}