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hashcat/OpenCL/m18200_a1-optimized.cl

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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
//too much register pressure
//#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_md5.cl"
#endif
typedef struct krb5asrep
{
u32 account_info[512];
u32 checksum[4];
u32 edata2[5120];
u32 edata2_len;
} krb5asrep_t;
typedef struct
{
u8 S[256];
u32 wtf_its_faster;
} RC4_KEY;
DECLSPEC void swap (LOCAL_AS RC4_KEY *rc4_key, const u8 i, const u8 j)
{
u8 tmp;
tmp = rc4_key->S[i];
rc4_key->S[i] = rc4_key->S[j];
rc4_key->S[j] = tmp;
}
DECLSPEC void rc4_init_16 (LOCAL_AS RC4_KEY *rc4_key, const u32 *data)
{
u32 v = 0x03020100;
u32 a = 0x04040404;
LOCAL_AS u32 *ptr = (LOCAL_AS u32 *) rc4_key->S;
#ifdef _unroll
#pragma unroll
#endif
for (u32 i = 0; i < 64; i++)
{
*ptr++ = v; v += a;
}
u32 j = 0;
for (u32 i = 0; i < 16; i++)
{
u32 idx = i * 16;
u32 v;
v = data[0];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
v = data[1];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
v = data[2];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
v = data[3];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
}
}
DECLSPEC u8 rc4_next_16 (LOCAL_AS RC4_KEY *rc4_key, u8 i, u8 j, GLOBAL_AS const u32 *in, u32 *out)
{
#ifdef _unroll
#pragma unroll
#endif
for (u32 k = 0; k < 4; k++)
{
u32 xor4 = 0;
u8 idx;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 0;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 8;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 16;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 24;
out[k] = in[k] ^ xor4;
}
return j;
}
DECLSPEC void hmac_md5_pad (u32 *w0, u32 *w1, u32 *w2, u32 *w3, u32 *ipad, u32 *opad)
{
w0[0] = w0[0] ^ 0x36363636;
w0[1] = w0[1] ^ 0x36363636;
w0[2] = w0[2] ^ 0x36363636;
w0[3] = w0[3] ^ 0x36363636;
w1[0] = w1[0] ^ 0x36363636;
w1[1] = w1[1] ^ 0x36363636;
w1[2] = w1[2] ^ 0x36363636;
w1[3] = w1[3] ^ 0x36363636;
w2[0] = w2[0] ^ 0x36363636;
w2[1] = w2[1] ^ 0x36363636;
w2[2] = w2[2] ^ 0x36363636;
w2[3] = w2[3] ^ 0x36363636;
w3[0] = w3[0] ^ 0x36363636;
w3[1] = w3[1] ^ 0x36363636;
w3[2] = w3[2] ^ 0x36363636;
w3[3] = w3[3] ^ 0x36363636;
ipad[0] = MD5M_A;
ipad[1] = MD5M_B;
ipad[2] = MD5M_C;
ipad[3] = MD5M_D;
md5_transform (w0, w1, w2, w3, ipad);
w0[0] = w0[0] ^ 0x6a6a6a6a;
w0[1] = w0[1] ^ 0x6a6a6a6a;
w0[2] = w0[2] ^ 0x6a6a6a6a;
w0[3] = w0[3] ^ 0x6a6a6a6a;
w1[0] = w1[0] ^ 0x6a6a6a6a;
w1[1] = w1[1] ^ 0x6a6a6a6a;
w1[2] = w1[2] ^ 0x6a6a6a6a;
w1[3] = w1[3] ^ 0x6a6a6a6a;
w2[0] = w2[0] ^ 0x6a6a6a6a;
w2[1] = w2[1] ^ 0x6a6a6a6a;
w2[2] = w2[2] ^ 0x6a6a6a6a;
w2[3] = w2[3] ^ 0x6a6a6a6a;
w3[0] = w3[0] ^ 0x6a6a6a6a;
w3[1] = w3[1] ^ 0x6a6a6a6a;
w3[2] = w3[2] ^ 0x6a6a6a6a;
w3[3] = w3[3] ^ 0x6a6a6a6a;
opad[0] = MD5M_A;
opad[1] = MD5M_B;
opad[2] = MD5M_C;
opad[3] = MD5M_D;
md5_transform (w0, w1, w2, w3, opad);
}
DECLSPEC void hmac_md5_run (u32 *w0, u32 *w1, u32 *w2, u32 *w3, u32 *ipad, u32 *opad, u32 *digest)
{
digest[0] = ipad[0];
digest[1] = ipad[1];
digest[2] = ipad[2];
digest[3] = ipad[3];
md5_transform (w0, w1, w2, w3, digest);
w0[0] = digest[0];
w0[1] = digest[1];
w0[2] = digest[2];
w0[3] = digest[3];
w1[0] = 0x80;
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] = (64 + 16) * 8;
w3[3] = 0;
digest[0] = opad[0];
digest[1] = opad[1];
digest[2] = opad[2];
digest[3] = opad[3];
md5_transform (w0, w1, w2, w3, digest);
}
DECLSPEC int decrypt_and_check (LOCAL_AS RC4_KEY *rc4_key, u32 *data, GLOBAL_AS const u32 *edata2, const u32 edata2_len, const u32 *K2, const u32 *checksum)
{
rc4_init_16 (rc4_key, data);
u32 out0[4];
/*
8 first bytes are nonce, then ASN1 structs (DER encoding: TLV)
The first byte is always 0x79 (01 1 11001, where 01 = "class=APPLICATION", 1 = "form=constructed", 11001 is application type 25)
The next byte is the length:
if length < 128 bytes:
length is on 1 byte, and the next byte is 0x30 (class=SEQUENCE)
else if length <= 256:
length is on 2 bytes, the first byte is 0x81, and the third byte is 0x30 (class=SEQUENCE)
else if length > 256:
length is on 3 bytes, the first byte is 0x82, and the fourth byte is 0x30 (class=SEQUENCE)
*/
rc4_next_16 (rc4_key, 0, 0, edata2 + 0, out0);
if (((out0[2] & 0x00ff80ff) != 0x00300079) &&
((out0[2] & 0xFF00FFFF) != 0x30008179) &&
((out0[2] & 0x0000FFFF) != 0x00008279 || (out0[3] & 0x000000FF) != 0x00000030))
return 0;
rc4_init_16 (rc4_key, data);
u8 i = 0;
u8 j = 0;
// init hmac
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = K2[0];
w0[1] = K2[1];
w0[2] = K2[2];
w0[3] = K2[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;
u32 ipad[4];
u32 opad[4];
hmac_md5_pad (w0, w1, w2, w3, ipad, opad);
int edata2_left;
for (edata2_left = edata2_len; edata2_left >= 64; edata2_left -= 64)
{
j = rc4_next_16 (rc4_key, i, j, edata2, w0); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w1); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w2); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w3); i += 16; edata2 += 4;
md5_transform (w0, w1, w2, w3, ipad);
}
w0[0] = 0;
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;
if (edata2_left < 16)
{
j = rc4_next_16 (rc4_key, i, j, edata2, w0); i += 16; edata2 += 4;
truncate_block_4x4_le_S (w0, edata2_left & 0xf);
append_0x80_1x4 (w0, edata2_left & 0xf);
w3[2] = (64 + edata2_len) * 8;
w3[3] = 0;
md5_transform (w0, w1, w2, w3, ipad);
}
else if (edata2_left < 32)
{
j = rc4_next_16 (rc4_key, i, j, edata2, w0); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w1); i += 16; edata2 += 4;
truncate_block_4x4_le_S (w1, edata2_left & 0xf);
append_0x80_1x4 (w1, edata2_left & 0xf);
w3[2] = (64 + edata2_len) * 8;
w3[3] = 0;
md5_transform (w0, w1, w2, w3, ipad);
}
else if (edata2_left < 48)
{
j = rc4_next_16 (rc4_key, i, j, edata2, w0); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w1); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w2); i += 16; edata2 += 4;
truncate_block_4x4_le_S (w2, edata2_left & 0xf);
append_0x80_1x4 (w2, edata2_left & 0xf);
w3[2] = (64 + edata2_len) * 8;
w3[3] = 0;
md5_transform (w0, w1, w2, w3, ipad);
}
else
{
j = rc4_next_16 (rc4_key, i, j, edata2, w0); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w1); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w2); i += 16; edata2 += 4;
j = rc4_next_16 (rc4_key, i, j, edata2, w3); i += 16; edata2 += 4;
truncate_block_4x4_le_S (w3, edata2_left & 0xf);
append_0x80_1x4 (w3, edata2_left & 0xf);
if (edata2_left < 56)
{
w3[2] = (64 + edata2_len) * 8;
w3[3] = 0;
md5_transform (w0, w1, w2, w3, ipad);
}
else
{
md5_transform (w0, w1, w2, w3, ipad);
w0[0] = 0;
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] = (64 + edata2_len) * 8;
w3[3] = 0;
md5_transform (w0, w1, w2, w3, ipad);
}
}
w0[0] = ipad[0];
w0[1] = ipad[1];
w0[2] = ipad[2];
w0[3] = ipad[3];
w1[0] = 0x80;
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] = (64 + 16) * 8;
w3[3] = 0;
md5_transform (w0, w1, w2, w3, opad);
if (checksum[0] != opad[0]) return 0;
if (checksum[1] != opad[1]) return 0;
if (checksum[2] != opad[2]) return 0;
if (checksum[3] != opad[3]) return 0;
return 1;
}
DECLSPEC void kerb_prepare (const u32 *w0, const u32 *w1, const u32 pw_len, const u32 *checksum, u32 *digest, u32 *K2)
{
/**
* pads
*/
u32 w0_t[4];
u32 w1_t[4];
u32 w2_t[4];
u32 w3_t[4];
w0_t[0] = w0[0];
w0_t[1] = w0[1];
w0_t[2] = w0[2];
w0_t[3] = w0[3];
w1_t[0] = w1[0];
w1_t[1] = w1[1];
w1_t[2] = w1[2];
w1_t[3] = w1[3];
w2_t[0] = 0;
w2_t[1] = 0;
w2_t[2] = 0;
w2_t[3] = 0;
w3_t[0] = 0;
w3_t[1] = 0;
w3_t[2] = 0;
w3_t[3] = 0;
// K=MD4(Little_indian(UNICODE(pwd))
append_0x80_2x4 (w0_t, w1_t, pw_len);
make_utf16le (w1_t, w2_t, w3_t);
make_utf16le (w0_t, w0_t, w1_t);
w3_t[2] = pw_len * 8 * 2;
w3_t[3] = 0;
digest[0] = MD4M_A;
digest[1] = MD4M_B;
digest[2] = MD4M_C;
digest[3] = MD4M_D;
md4_transform (w0_t, w1_t, w2_t, w3_t, digest);
// K1=MD5_HMAC(K,1); with 2 encoded as little indian on 4 bytes (02000000 in hexa);
w0_t[0] = digest[0];
w0_t[1] = digest[1];
w0_t[2] = digest[2];
w0_t[3] = digest[3];
w1_t[0] = 0;
w1_t[1] = 0;
w1_t[2] = 0;
w1_t[3] = 0;
w2_t[0] = 0;
w2_t[1] = 0;
w2_t[2] = 0;
w2_t[3] = 0;
w3_t[0] = 0;
w3_t[1] = 0;
w3_t[2] = 0;
w3_t[3] = 0;
u32 ipad[4];
u32 opad[4];
hmac_md5_pad (w0_t, w1_t, w2_t, w3_t, ipad, opad);
w0_t[0] = 8;
w0_t[1] = 0x80;
w0_t[2] = 0;
w0_t[3] = 0;
w1_t[0] = 0;
w1_t[1] = 0;
w1_t[2] = 0;
w1_t[3] = 0;
w2_t[0] = 0;
w2_t[1] = 0;
w2_t[2] = 0;
w2_t[3] = 0;
w3_t[0] = 0;
w3_t[1] = 0;
w3_t[2] = (64 + 4) * 8;
w3_t[3] = 0;
hmac_md5_run (w0_t, w1_t, w2_t, w3_t, ipad, opad, digest);
// K2 = K1;
K2[0] = digest[0];
K2[1] = digest[1];
K2[2] = digest[2];
K2[3] = digest[3];
// K3=MD5_HMAC(K1,checksum);
w0_t[0] = digest[0];
w0_t[1] = digest[1];
w0_t[2] = digest[2];
w0_t[3] = digest[3];
w1_t[0] = 0;
w1_t[1] = 0;
w1_t[2] = 0;
w1_t[3] = 0;
w2_t[0] = 0;
w2_t[1] = 0;
w2_t[2] = 0;
w2_t[3] = 0;
w3_t[0] = 0;
w3_t[1] = 0;
w3_t[2] = 0;
w3_t[3] = 0;
hmac_md5_pad (w0_t, w1_t, w2_t, w3_t, ipad, opad);
w0_t[0] = checksum[0];
w0_t[1] = checksum[1];
w0_t[2] = checksum[2];
w0_t[3] = checksum[3];
w1_t[0] = 0x80;
w1_t[1] = 0;
w1_t[2] = 0;
w1_t[3] = 0;
w2_t[0] = 0;
w2_t[1] = 0;
w2_t[2] = 0;
w2_t[3] = 0;
w3_t[0] = 0;
w3_t[1] = 0;
w3_t[2] = (64 + 16) * 8;
w3_t[3] = 0;
hmac_md5_run (w0_t, w1_t, w2_t, w3_t, ipad, opad, digest);
}
KERNEL_FQ void m18200_m04 (KERN_ATTR_ESALT (krb5asrep_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[0];
pw_buf0[1] = pws[gid].i[1];
pw_buf0[2] = pws[gid].i[2];
pw_buf0[3] = pws[gid].i[3];
pw_buf1[0] = pws[gid].i[4];
pw_buf1[1] = pws[gid].i[5];
pw_buf1[2] = pws[gid].i[6];
pw_buf1[3] = pws[gid].i[7];
const u32 pw_l_len = pws[gid].pw_len & 63;
/**
* shared
*/
LOCAL_VK RC4_KEY rc4_keys[64];
LOCAL_AS RC4_KEY *rc4_key = &rc4_keys[lid];
/**
* salt
*/
u32 checksum[4];
checksum[0] = esalt_bufs[DIGESTS_OFFSET].checksum[0];
checksum[1] = esalt_bufs[DIGESTS_OFFSET].checksum[1];
checksum[2] = esalt_bufs[DIGESTS_OFFSET].checksum[2];
checksum[3] = esalt_bufs[DIGESTS_OFFSET].checksum[3];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
{
const u32x pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
const u32x pw_len = (pw_l_len + pw_r_len) & 63;
/**
* concat password candidate
*/
u32x wordl0[4] = { 0 };
u32x wordl1[4] = { 0 };
u32x wordl2[4] = { 0 };
u32x wordl3[4] = { 0 };
wordl0[0] = pw_buf0[0];
wordl0[1] = pw_buf0[1];
wordl0[2] = pw_buf0[2];
wordl0[3] = pw_buf0[3];
wordl1[0] = pw_buf1[0];
wordl1[1] = pw_buf1[1];
wordl1[2] = pw_buf1[2];
wordl1[3] = pw_buf1[3];
u32x wordr0[4] = { 0 };
u32x wordr1[4] = { 0 };
u32x wordr2[4] = { 0 };
u32x wordr3[4] = { 0 };
wordr0[0] = ix_create_combt (combs_buf, il_pos, 0);
wordr0[1] = ix_create_combt (combs_buf, il_pos, 1);
wordr0[2] = ix_create_combt (combs_buf, il_pos, 2);
wordr0[3] = ix_create_combt (combs_buf, il_pos, 3);
wordr1[0] = ix_create_combt (combs_buf, il_pos, 4);
wordr1[1] = ix_create_combt (combs_buf, il_pos, 5);
wordr1[2] = ix_create_combt (combs_buf, il_pos, 6);
wordr1[3] = ix_create_combt (combs_buf, il_pos, 7);
if (combs_mode == COMBINATOR_MODE_BASE_LEFT)
{
switch_buffer_by_offset_le_VV (wordr0, wordr1, wordr2, wordr3, pw_l_len);
}
else
{
switch_buffer_by_offset_le_VV (wordl0, wordl1, wordl2, wordl3, pw_r_len);
}
u32x w0[4];
u32x w1[4];
w0[0] = wordl0[0] | wordr0[0];
w0[1] = wordl0[1] | wordr0[1];
w0[2] = wordl0[2] | wordr0[2];
w0[3] = wordl0[3] | wordr0[3];
w1[0] = wordl1[0] | wordr1[0];
w1[1] = wordl1[1] | wordr1[1];
w1[2] = wordl1[2] | wordr1[2];
w1[3] = wordl1[3] | wordr1[3];
/**
* kerberos
*/
u32 digest[4];
u32 K2[4];
kerb_prepare (w0, w1, pw_len, checksum, digest, K2);
u32 tmp[4];
tmp[0] = digest[0];
tmp[1] = digest[1];
tmp[2] = digest[2];
tmp[3] = digest[3];
if (decrypt_and_check (rc4_key, tmp, esalt_bufs[DIGESTS_OFFSET].edata2, esalt_bufs[DIGESTS_OFFSET].edata2_len, K2, checksum) == 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);
}
}
}
}
KERNEL_FQ void m18200_m08 (KERN_ATTR_ESALT (krb5asrep_t))
{
}
KERNEL_FQ void m18200_m16 (KERN_ATTR_ESALT (krb5asrep_t))
{
}
KERNEL_FQ void m18200_s04 (KERN_ATTR_ESALT (krb5asrep_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[0];
pw_buf0[1] = pws[gid].i[1];
pw_buf0[2] = pws[gid].i[2];
pw_buf0[3] = pws[gid].i[3];
pw_buf1[0] = pws[gid].i[4];
pw_buf1[1] = pws[gid].i[5];
pw_buf1[2] = pws[gid].i[6];
pw_buf1[3] = pws[gid].i[7];
const u32 pw_l_len = pws[gid].pw_len & 63;
/**
* shared
*/
LOCAL_VK RC4_KEY rc4_keys[64];
LOCAL_AS RC4_KEY *rc4_key = &rc4_keys[lid];
/**
* salt
*/
u32 checksum[4];
checksum[0] = esalt_bufs[DIGESTS_OFFSET].checksum[0];
checksum[1] = esalt_bufs[DIGESTS_OFFSET].checksum[1];
checksum[2] = esalt_bufs[DIGESTS_OFFSET].checksum[2];
checksum[3] = esalt_bufs[DIGESTS_OFFSET].checksum[3];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
{
const u32x pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
const u32x pw_len = (pw_l_len + pw_r_len) & 63;
/**
* concat password candidate
*/
u32x wordl0[4] = { 0 };
u32x wordl1[4] = { 0 };
u32x wordl2[4] = { 0 };
u32x wordl3[4] = { 0 };
wordl0[0] = pw_buf0[0];
wordl0[1] = pw_buf0[1];
wordl0[2] = pw_buf0[2];
wordl0[3] = pw_buf0[3];
wordl1[0] = pw_buf1[0];
wordl1[1] = pw_buf1[1];
wordl1[2] = pw_buf1[2];
wordl1[3] = pw_buf1[3];
u32x wordr0[4] = { 0 };
u32x wordr1[4] = { 0 };
u32x wordr2[4] = { 0 };
u32x wordr3[4] = { 0 };
wordr0[0] = ix_create_combt (combs_buf, il_pos, 0);
wordr0[1] = ix_create_combt (combs_buf, il_pos, 1);
wordr0[2] = ix_create_combt (combs_buf, il_pos, 2);
wordr0[3] = ix_create_combt (combs_buf, il_pos, 3);
wordr1[0] = ix_create_combt (combs_buf, il_pos, 4);
wordr1[1] = ix_create_combt (combs_buf, il_pos, 5);
wordr1[2] = ix_create_combt (combs_buf, il_pos, 6);
wordr1[3] = ix_create_combt (combs_buf, il_pos, 7);
if (combs_mode == COMBINATOR_MODE_BASE_LEFT)
{
switch_buffer_by_offset_le_VV (wordr0, wordr1, wordr2, wordr3, pw_l_len);
}
else
{
switch_buffer_by_offset_le_VV (wordl0, wordl1, wordl2, wordl3, pw_r_len);
}
u32x w0[4];
u32x w1[4];
w0[0] = wordl0[0] | wordr0[0];
w0[1] = wordl0[1] | wordr0[1];
w0[2] = wordl0[2] | wordr0[2];
w0[3] = wordl0[3] | wordr0[3];
w1[0] = wordl1[0] | wordr1[0];
w1[1] = wordl1[1] | wordr1[1];
w1[2] = wordl1[2] | wordr1[2];
w1[3] = wordl1[3] | wordr1[3];
/**
* kerberos
*/
u32 digest[4];
u32 K2[4];
kerb_prepare (w0, w1, pw_len, checksum, digest, K2);
u32 tmp[4];
tmp[0] = digest[0];
tmp[1] = digest[1];
tmp[2] = digest[2];
tmp[3] = digest[3];
if (decrypt_and_check (rc4_key, tmp, esalt_bufs[DIGESTS_OFFSET].edata2, esalt_bufs[DIGESTS_OFFSET].edata2_len, K2, checksum) == 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);
}
}
}
}
KERNEL_FQ void m18200_s08 (KERN_ATTR_ESALT (krb5asrep_t))
{
}
KERNEL_FQ void m18200_s16 (KERN_ATTR_ESALT (krb5asrep_t))
{
}
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