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hashcat/OpenCL/m18200_a3-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 M2S(INCLUDE_PATH/inc_vendor.h)
#include M2S(INCLUDE_PATH/inc_types.h)
#include M2S(INCLUDE_PATH/inc_platform.cl)
#include M2S(INCLUDE_PATH/inc_common.cl)
#include M2S(INCLUDE_PATH/inc_simd.cl)
#include M2S(INCLUDE_PATH/inc_hash_md4.cl)
#include M2S(INCLUDE_PATH/inc_hash_md5.cl)
#include M2S(INCLUDE_PATH/inc_cipher_rc4.cl)
#endif
typedef struct krb5asrep
{
u32 account_info[512];
u32 checksum[4];
u32 edata2[5120];
u32 edata2_len;
u32 format;
} krb5asrep_t;
DECLSPEC void hmac_md5_pad (PRIVATE_AS u32 *w0, PRIVATE_AS u32 *w1, PRIVATE_AS u32 *w2, PRIVATE_AS u32 *w3, PRIVATE_AS u32 *ipad, PRIVATE_AS 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 (PRIVATE_AS u32 *w0, PRIVATE_AS u32 *w1, PRIVATE_AS u32 *w2, PRIVATE_AS u32 *w3, PRIVATE_AS u32 *ipad, PRIVATE_AS u32 *opad, PRIVATE_AS 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 u32 *S, PRIVATE_AS u32 *data, GLOBAL_AS const u32 *edata2, const u32 edata2_len, PRIVATE_AS const u32 *K2, PRIVATE_AS const u32 *checksum, const u64 lid)
{
rc4_init_128 (S, data, lid);
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_global (S, 0, 0, edata2 + 0, out0, lid);
if (((out0[2] & 0x00ff80ff) != 0x00300079) &&
((out0[2] & 0xFF00FFFF) != 0x30008179) &&
((out0[2] & 0x0000FFFF) != 0x00008279 || (out0[3] & 0x000000FF) != 0x00000030))
return 0;
rc4_init_128 (S, data, lid);
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_global (S, i, j, edata2, w0, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w1, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w2, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w3, lid); 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_global (S, i, j, edata2, w0, lid); 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_global (S, i, j, edata2, w0, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w1, lid); 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_global (S, i, j, edata2, w0, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w1, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w2, lid); 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_global (S, i, j, edata2, w0, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w1, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w2, lid); i += 16; edata2 += 4;
j = rc4_next_16_global (S, i, j, edata2, w3, lid); 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 (PRIVATE_AS const u32 *w0, PRIVATE_AS const u32 *w1, const u32 pw_len, PRIVATE_AS const u32 *checksum, PRIVATE_AS u32 *digest, PRIVATE_AS 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);
}
DECLSPEC void m18200 (LOCAL_AS u32 *S, PRIVATE_AS u32 *w0, PRIVATE_AS u32 *w1, PRIVATE_AS u32 *w2, PRIVATE_AS u32 *w3, const u32 pw_len, KERN_ATTR_FUNC_ESALT (krb5asrep_t))
{
/**
* modifiers are taken from args
*/
/**
* 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];
/**
* loop
*/
u32 w0l = w0[0];
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++)
{
const u32 w0r = bfs_buf[il_pos].i;
w0[0] = w0l | w0r;
/**
* 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 (S, tmp, esalt_bufs[DIGESTS_OFFSET_HOST].edata2, esalt_bufs[DIGESTS_OFFSET_HOST].edata2_len, K2, checksum, lid) == 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 m18200_m04 (KERN_ATTR_ESALT (krb5asrep_t))
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w0[4];
w0[0] = pws[gid].i[ 0];
w0[1] = pws[gid].i[ 1];
w0[2] = pws[gid].i[ 2];
w0[3] = pws[gid].i[ 3];
u32 w1[4];
w1[0] = 0;
w1[1] = 0;
w1[2] = 0;
w1[3] = 0;
u32 w2[4];
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
u32 w3[4];
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
LOCAL_VK u32 S[64 * FIXED_LOCAL_SIZE];
m18200 (S, w0, w1, w2, w3, pw_len, pws, rules_buf, combs_buf, bfs_buf, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m18200_m08 (KERN_ATTR_ESALT (krb5asrep_t))
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w0[4];
w0[0] = pws[gid].i[ 0];
w0[1] = pws[gid].i[ 1];
w0[2] = pws[gid].i[ 2];
w0[3] = pws[gid].i[ 3];
u32 w1[4];
w1[0] = pws[gid].i[ 4];
w1[1] = pws[gid].i[ 5];
w1[2] = pws[gid].i[ 6];
w1[3] = pws[gid].i[ 7];
u32 w2[4];
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
u32 w3[4];
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
LOCAL_VK u32 S[64 * FIXED_LOCAL_SIZE];
m18200 (S, w0, w1, w2, w3, pw_len, pws, rules_buf, combs_buf, bfs_buf, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m18200_m16 (KERN_ATTR_ESALT (krb5asrep_t))
{
}
KERNEL_FQ void m18200_s04 (KERN_ATTR_ESALT (krb5asrep_t))
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w0[4];
w0[0] = pws[gid].i[ 0];
w0[1] = pws[gid].i[ 1];
w0[2] = pws[gid].i[ 2];
w0[3] = pws[gid].i[ 3];
u32 w1[4];
w1[0] = 0;
w1[1] = 0;
w1[2] = 0;
w1[3] = 0;
u32 w2[4];
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
u32 w3[4];
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
LOCAL_VK u32 S[64 * FIXED_LOCAL_SIZE];
m18200 (S, w0, w1, w2, w3, pw_len, pws, rules_buf, combs_buf, bfs_buf, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m18200_s08 (KERN_ATTR_ESALT (krb5asrep_t))
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w0[4];
w0[0] = pws[gid].i[ 0];
w0[1] = pws[gid].i[ 1];
w0[2] = pws[gid].i[ 2];
w0[3] = pws[gid].i[ 3];
u32 w1[4];
w1[0] = pws[gid].i[ 4];
w1[1] = pws[gid].i[ 5];
w1[2] = pws[gid].i[ 6];
w1[3] = pws[gid].i[ 7];
u32 w2[4];
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
u32 w3[4];
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
LOCAL_VK u32 S[64 * FIXED_LOCAL_SIZE];
m18200 (S, w0, w1, w2, w3, pw_len, pws, rules_buf, combs_buf, bfs_buf, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m18200_s16 (KERN_ATTR_ESALT (krb5asrep_t))
{
}