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hashcat/OpenCL/m07500_a1-optimized.cl

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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
//shared mem too small
//#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"
#include "inc_cipher_rc4.cl"
#endif
typedef struct krb5pa
{
u32 user[16];
u32 realm[16];
u32 salt[32];
u32 timestamp[16];
u32 checksum[4];
} krb5pa_t;
DECLSPEC int decrypt_and_check (LOCAL_AS u32 *S, u32 *data, u32 *timestamp_ct)
{
rc4_init_128 (S, data);
u32 out[4];
u8 j = 0;
j = rc4_next_16 (S, 0, j, timestamp_ct + 0, out);
if ((out[3] & 0xffff0000) != 0x30320000) return 0;
j = rc4_next_16 (S, 16, j, timestamp_ct + 4, out);
if (((out[0] & 0xff) < '0') || ((out[0] & 0xff) > '9')) return 0; out[0] >>= 8;
if (((out[0] & 0xff) < '0') || ((out[0] & 0xff) > '9')) return 0; out[0] >>= 8;
if (((out[0] & 0xff) < '0') || ((out[0] & 0xff) > '9')) return 0; out[0] >>= 8;
if (((out[0] & 0xff) < '0') || ((out[0] & 0xff) > '9')) return 0;
if (((out[1] & 0xff) < '0') || ((out[1] & 0xff) > '9')) return 0; out[1] >>= 8;
if (((out[1] & 0xff) < '0') || ((out[1] & 0xff) > '9')) return 0; out[1] >>= 8;
if (((out[1] & 0xff) < '0') || ((out[1] & 0xff) > '9')) return 0; out[1] >>= 8;
if (((out[1] & 0xff) < '0') || ((out[1] & 0xff) > '9')) return 0;
if (((out[2] & 0xff) < '0') || ((out[2] & 0xff) > '9')) return 0; out[2] >>= 8;
if (((out[2] & 0xff) < '0') || ((out[2] & 0xff) > '9')) return 0; out[2] >>= 8;
if (((out[2] & 0xff) < '0') || ((out[2] & 0xff) > '9')) return 0; out[2] >>= 8;
if (((out[2] & 0xff) < '0') || ((out[2] & 0xff) > '9')) return 0;
return 1;
}
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 void kerb_prepare (const u32 *w0, const u32 *w1, const u32 pw_len, const u32 *checksum, u32 *digest)
{
/**
* 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 1 encoded as little indian on 4 bytes (01000000 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] = 1;
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);
// 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 m07500_m04 (KERN_ATTR_ESALT (krb5pa_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) 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;
/**
* salt
*/
u32 checksum[4];
checksum[0] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[0];
checksum[1] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[1];
checksum[2] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[2];
checksum[3] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[3];
u32 timestamp_ct[8];
timestamp_ct[0] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[0];
timestamp_ct[1] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[1];
timestamp_ct[2] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[2];
timestamp_ct[3] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[3];
timestamp_ct[4] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[4];
timestamp_ct[5] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[5];
timestamp_ct[6] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[6];
timestamp_ct[7] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[7];
/**
* shared
*/
LOCAL_VK u32 S[64 * FIXED_LOCAL_SIZE];
/**
* 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];
kerb_prepare (w0, w1, pw_len, checksum, digest);
u32 tmp[4];
tmp[0] = digest[0];
tmp[1] = digest[1];
tmp[2] = digest[2];
tmp[3] = digest[3];
if (decrypt_and_check (S, tmp, timestamp_ct) == 1)
{
if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET_HOST]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, 0, DIGESTS_OFFSET_HOST + 0, gid, il_pos, 0, 0);
}
}
}
}
KERNEL_FQ void m07500_m08 (KERN_ATTR_ESALT (krb5pa_t))
{
}
KERNEL_FQ void m07500_m16 (KERN_ATTR_ESALT (krb5pa_t))
{
}
KERNEL_FQ void m07500_s04 (KERN_ATTR_ESALT (krb5pa_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) 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;
/**
* salt
*/
u32 checksum[4];
checksum[0] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[0];
checksum[1] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[1];
checksum[2] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[2];
checksum[3] = esalt_bufs[DIGESTS_OFFSET_HOST].checksum[3];
u32 timestamp_ct[8];
timestamp_ct[0] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[0];
timestamp_ct[1] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[1];
timestamp_ct[2] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[2];
timestamp_ct[3] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[3];
timestamp_ct[4] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[4];
timestamp_ct[5] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[5];
timestamp_ct[6] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[6];
timestamp_ct[7] = esalt_bufs[DIGESTS_OFFSET_HOST].timestamp[7];
/**
* shared
*/
LOCAL_VK u32 S[64 * FIXED_LOCAL_SIZE];
/**
* 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];
kerb_prepare (w0, w1, pw_len, checksum, digest);
u32 tmp[4];
tmp[0] = digest[0];
tmp[1] = digest[1];
tmp[2] = digest[2];
tmp[3] = digest[3];
if (decrypt_and_check (S, tmp, timestamp_ct) == 1)
{
if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET_HOST]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, 0, DIGESTS_OFFSET_HOST + 0, gid, il_pos, 0, 0);
}
}
}
}
KERNEL_FQ void m07500_s08 (KERN_ATTR_ESALT (krb5pa_t))
{
}
KERNEL_FQ void m07500_s16 (KERN_ATTR_ESALT (krb5pa_t))
{
}
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