mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-01 13:09:11 +00:00
533 lines
11 KiB
Common Lisp
533 lines
11 KiB
Common Lisp
/**
|
|
* 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_hash_md4.cl"
|
|
#include "inc_hash_md5.cl"
|
|
#endif
|
|
|
|
typedef struct krb5tgs
|
|
{
|
|
u32 account_info[512];
|
|
u32 checksum[4];
|
|
u32 edata2[5120];
|
|
u32 edata2_len;
|
|
|
|
} krb5tgs_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 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];
|
|
u32 out1[4];
|
|
|
|
u8 i = 0;
|
|
u8 j = 0;
|
|
|
|
/*
|
|
8 first bytes are nonce, then ASN1 structs (DER encoding: type-length-data)
|
|
|
|
if length >= 128 bytes:
|
|
length is on 2 bytes and type is \x63\x82 (encode_krb5_enc_tkt_part) and data is an ASN1 sequence \x30\x82
|
|
else:
|
|
length is on 1 byte and type is \x63\x81 and data is an ASN1 sequence \x30\x81
|
|
|
|
next headers follow the same ASN1 "type-length-data" scheme
|
|
*/
|
|
|
|
j = rc4_next_16 (rc4_key, i, j, edata2 + 0, out0); i += 16;
|
|
|
|
if (((out0[2] & 0xff00ffff) != 0x30008163) && ((out0[2] & 0x0000ffff) != 0x00008263)) return 0;
|
|
|
|
j = rc4_next_16 (rc4_key, i, j, edata2 + 4, out1); i += 16;
|
|
|
|
if (((out1[0] & 0x00ffffff) != 0x00000503) && (out1[0] != 0x050307A0)) return 0;
|
|
|
|
rc4_init_16 (rc4_key, data);
|
|
|
|
i = 0;
|
|
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;
|
|
|
|
md5_hmac_ctx_t ctx;
|
|
|
|
md5_hmac_init_64 (&ctx, w0, w1, w2, w3);
|
|
|
|
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_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);
|
|
}
|
|
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
|
|
md5_hmac_update_64 (&ctx, w0, w1, w2, w3, edata2_left);
|
|
|
|
md5_hmac_final (&ctx);
|
|
|
|
if (checksum[0] != ctx.opad.h[0]) return 0;
|
|
if (checksum[1] != ctx.opad.h[1]) return 0;
|
|
if (checksum[2] != ctx.opad.h[2]) return 0;
|
|
if (checksum[3] != ctx.opad.h[3]) return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
DECLSPEC void kerb_prepare (const u32 *K, const u32 *checksum, u32 *digest, u32 *K2)
|
|
{
|
|
// K1=MD5_HMAC(K,1); with 1 encoded as little indian on 4 bytes (01000000 in hexa);
|
|
|
|
u32 w0[4];
|
|
u32 w1[4];
|
|
u32 w2[4];
|
|
u32 w3[4];
|
|
|
|
w0[0] = K[0];
|
|
w0[1] = K[1];
|
|
w0[2] = K[2];
|
|
w0[3] = K[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;
|
|
|
|
md5_hmac_ctx_t ctx1;
|
|
|
|
md5_hmac_init_64 (&ctx1, w0, w1, w2, w3);
|
|
|
|
w0[0] = 2;
|
|
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;
|
|
|
|
md5_hmac_update_64 (&ctx1, w0, w1, w2, w3, 4);
|
|
|
|
md5_hmac_final (&ctx1);
|
|
|
|
w0[0] = ctx1.opad.h[0];
|
|
w0[1] = ctx1.opad.h[1];
|
|
w0[2] = ctx1.opad.h[2];
|
|
w0[3] = ctx1.opad.h[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;
|
|
|
|
md5_hmac_ctx_t ctx;
|
|
|
|
md5_hmac_init_64 (&ctx, w0, w1, w2, w3);
|
|
|
|
w0[0] = checksum[0];
|
|
w0[1] = checksum[1];
|
|
w0[2] = checksum[2];
|
|
w0[3] = checksum[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;
|
|
|
|
md5_hmac_update_64 (&ctx, w0, w1, w2, w3, 16);
|
|
|
|
md5_hmac_final (&ctx);
|
|
|
|
digest[0] = ctx.opad.h[0];
|
|
digest[1] = ctx.opad.h[1];
|
|
digest[2] = ctx.opad.h[2];
|
|
digest[3] = ctx.opad.h[3];
|
|
|
|
K2[0] = ctx1.opad.h[0];
|
|
K2[1] = ctx1.opad.h[1];
|
|
K2[2] = ctx1.opad.h[2];
|
|
K2[3] = ctx1.opad.h[3];
|
|
}
|
|
|
|
KERNEL_FQ void m13100_mxx (KERN_ATTR_VECTOR_ESALT (krb5tgs_t))
|
|
{
|
|
/**
|
|
* modifier
|
|
*/
|
|
|
|
const u64 lid = get_local_id (0);
|
|
const u64 gid = get_global_id (0);
|
|
|
|
if (gid >= gid_max) return;
|
|
|
|
/**
|
|
* base
|
|
*/
|
|
|
|
const u32 pw_len = pws[gid].pw_len;
|
|
|
|
u32x w[64] = { 0 };
|
|
|
|
for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
|
|
{
|
|
w[idx] = pws[gid].i[idx];
|
|
}
|
|
|
|
LOCAL_VK RC4_KEY rc4_keys[64];
|
|
|
|
LOCAL_AS RC4_KEY *rc4_key = &rc4_keys[lid];
|
|
|
|
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
|
|
*/
|
|
|
|
u32x w0l = w[0];
|
|
|
|
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
|
|
{
|
|
const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
|
|
|
|
const u32x w0 = w0l | w0r;
|
|
|
|
w[0] = w0;
|
|
|
|
md4_ctx_t ctx;
|
|
|
|
md4_init (&ctx);
|
|
|
|
md4_update_utf16le (&ctx, w, pw_len);
|
|
|
|
md4_final (&ctx);
|
|
|
|
u32 digest[4];
|
|
|
|
u32 K2[4];
|
|
|
|
kerb_prepare (ctx.h, checksum, digest, K2);
|
|
|
|
if (decrypt_and_check (rc4_key, digest, esalt_bufs[DIGESTS_OFFSET].edata2, esalt_bufs[DIGESTS_OFFSET].edata2_len, K2, checksum) == 1)
|
|
{
|
|
if (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 m13100_sxx (KERN_ATTR_VECTOR_ESALT (krb5tgs_t))
|
|
{
|
|
/**
|
|
* modifier
|
|
*/
|
|
|
|
const u64 lid = get_local_id (0);
|
|
const u64 gid = get_global_id (0);
|
|
|
|
if (gid >= gid_max) return;
|
|
|
|
/**
|
|
* base
|
|
*/
|
|
|
|
const u32 pw_len = pws[gid].pw_len;
|
|
|
|
u32x w[64] = { 0 };
|
|
|
|
for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
|
|
{
|
|
w[idx] = pws[gid].i[idx];
|
|
}
|
|
|
|
LOCAL_VK RC4_KEY rc4_keys[64];
|
|
|
|
LOCAL_AS RC4_KEY *rc4_key = &rc4_keys[lid];
|
|
|
|
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
|
|
*/
|
|
|
|
u32x w0l = w[0];
|
|
|
|
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
|
|
{
|
|
const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
|
|
|
|
const u32x w0 = w0l | w0r;
|
|
|
|
w[0] = w0;
|
|
|
|
md4_ctx_t ctx;
|
|
|
|
md4_init (&ctx);
|
|
|
|
md4_update_utf16le (&ctx, w, pw_len);
|
|
|
|
md4_final (&ctx);
|
|
|
|
u32 digest[4];
|
|
|
|
u32 K2[4];
|
|
|
|
kerb_prepare (ctx.h, checksum, digest, K2);
|
|
|
|
if (decrypt_and_check (rc4_key, digest, esalt_bufs[DIGESTS_OFFSET].edata2, esalt_bufs[DIGESTS_OFFSET].edata2_len, K2, checksum) == 1)
|
|
{
|
|
if (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);
|
|
}
|
|
}
|
|
}
|
|
}
|