mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-23 07:08:19 +00:00
Merge pull request #1991 from brandoncasaba/master
Add hash modes 19800 (krb5pa etype 17) and 19900 (krb5pa etype 18)
This commit is contained in:
Jens Steube
GitHub
commit
17ab30b29f
616
OpenCL/m19800-pure.cl
Normal file
616
OpenCL/m19800-pure.cl
Normal file
@ -0,0 +1,616 @@
|
||||
/**
|
||||
* Author......: See docs/credits.txt
|
||||
* License.....: MIT
|
||||
*/
|
||||
|
||||
#define NEW_SIMD_CODE
|
||||
|
||||
#ifdef KERNEL_STATIC
|
||||
#include "inc_vendor.h"
|
||||
#include "inc_types.h"
|
||||
#include "inc_common.cl"
|
||||
#include "inc_simd.cl"
|
||||
#include "inc_hash_sha1.cl"
|
||||
#include "inc_cipher_aes.cl"
|
||||
#endif
|
||||
|
||||
typedef struct krb5pa_17
|
||||
{
|
||||
u32 user[128];
|
||||
u32 domain[128];
|
||||
u32 account_info[512];
|
||||
u32 account_info_len;
|
||||
|
||||
u32 checksum[3];
|
||||
u32 enc_timestamp[32];
|
||||
u32 enc_timestamp_len;
|
||||
|
||||
} krb5pa_17_t;
|
||||
|
||||
typedef struct krb5pa_17_tmp
|
||||
{
|
||||
u32 ipad[5];
|
||||
u32 opad[5];
|
||||
u32 dgst[10];
|
||||
u32 out[10];
|
||||
|
||||
} krb5pa_17_tmp_t;
|
||||
|
||||
DECLSPEC static void aes128_encrypt_cbc (const u32 *aes_ks, u32 *aes_iv, const u32 *in, u32 *out, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
|
||||
{
|
||||
u32 data[4];
|
||||
|
||||
data[0] = hc_swap32_S (in[0]);
|
||||
data[1] = hc_swap32_S (in[1]);
|
||||
data[2] = hc_swap32_S (in[2]);
|
||||
data[3] = hc_swap32_S (in[3]);
|
||||
|
||||
data[0] ^= aes_iv[0];
|
||||
data[1] ^= aes_iv[1];
|
||||
data[2] ^= aes_iv[2];
|
||||
data[3] ^= aes_iv[3];
|
||||
|
||||
aes128_encrypt (aes_ks, data, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
aes_iv[0] = out[0];
|
||||
aes_iv[1] = out[1];
|
||||
aes_iv[2] = out[2];
|
||||
aes_iv[3] = out[3];
|
||||
|
||||
out[0] = hc_swap32_S (out[0]);
|
||||
out[1] = hc_swap32_S (out[1]);
|
||||
out[2] = hc_swap32_S (out[2]);
|
||||
out[3] = hc_swap32_S (out[3]);
|
||||
}
|
||||
|
||||
DECLSPEC static void aes128_decrypt_cbc (const u32 *ks1, const u32 *in, u32 *out, u32 *essiv, SHM_TYPE u32 *s_td0, SHM_TYPE u32 *s_td1, SHM_TYPE u32 *s_td2, SHM_TYPE u32 *s_td3, SHM_TYPE u32 *s_td4)
|
||||
{
|
||||
aes128_decrypt (ks1, in, out, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
out[0] ^= essiv[0];
|
||||
out[1] ^= essiv[1];
|
||||
out[2] ^= essiv[2];
|
||||
out[3] ^= essiv[3];
|
||||
|
||||
essiv[0] = in[0];
|
||||
essiv[1] = in[1];
|
||||
essiv[2] = in[2];
|
||||
essiv[3] = in[3];
|
||||
}
|
||||
|
||||
DECLSPEC static void hmac_sha1_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, u32x *digest)
|
||||
{
|
||||
digest[0] = ipad[0];
|
||||
digest[1] = ipad[1];
|
||||
digest[2] = ipad[2];
|
||||
digest[3] = ipad[3];
|
||||
digest[4] = ipad[4];
|
||||
|
||||
sha1_transform_vector (w0, w1, w2, w3, digest);
|
||||
|
||||
w0[0] = digest[0];
|
||||
w0[1] = digest[1];
|
||||
w0[2] = digest[2];
|
||||
w0[3] = digest[3];
|
||||
w1[0] = digest[4];
|
||||
w1[1] = 0x80000000;
|
||||
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] = (64 + 20) * 8;
|
||||
|
||||
digest[0] = opad[0];
|
||||
digest[1] = opad[1];
|
||||
digest[2] = opad[2];
|
||||
digest[3] = opad[3];
|
||||
digest[4] = opad[4];
|
||||
|
||||
sha1_transform_vector (w0, w1, w2, w3, digest);
|
||||
}
|
||||
|
||||
KERNEL_FQ void m19800_init (KERN_ATTR_TMPS_ESALT (krb5pa_17_tmp_t, krb5pa_17_t))
|
||||
{
|
||||
/**
|
||||
* base
|
||||
*/
|
||||
|
||||
const u64 gid = get_global_id (0);
|
||||
|
||||
if (gid >= gid_max) return;
|
||||
|
||||
/**
|
||||
* main
|
||||
*/
|
||||
|
||||
/* initialize hmac-sha1 for pbkdf2(password, account, 4096, account_len) */
|
||||
|
||||
sha1_hmac_ctx_t sha1_hmac_ctx;
|
||||
|
||||
sha1_hmac_init_global_swap (&sha1_hmac_ctx, pws[gid].i, pws[gid].pw_len);
|
||||
|
||||
tmps[gid].ipad[0] = sha1_hmac_ctx.ipad.h[0];
|
||||
tmps[gid].ipad[1] = sha1_hmac_ctx.ipad.h[1];
|
||||
tmps[gid].ipad[2] = sha1_hmac_ctx.ipad.h[2];
|
||||
tmps[gid].ipad[3] = sha1_hmac_ctx.ipad.h[3];
|
||||
tmps[gid].ipad[4] = sha1_hmac_ctx.ipad.h[4];
|
||||
|
||||
tmps[gid].opad[0] = sha1_hmac_ctx.opad.h[0];
|
||||
tmps[gid].opad[1] = sha1_hmac_ctx.opad.h[1];
|
||||
tmps[gid].opad[2] = sha1_hmac_ctx.opad.h[2];
|
||||
tmps[gid].opad[3] = sha1_hmac_ctx.opad.h[3];
|
||||
tmps[gid].opad[4] = sha1_hmac_ctx.opad.h[4];
|
||||
|
||||
sha1_hmac_update_global_swap (&sha1_hmac_ctx, esalt_bufs[digests_offset].account_info, esalt_bufs[digests_offset].account_info_len);
|
||||
|
||||
for (u32 i = 0, j = 1; i < 4; i += 5, j += 1)
|
||||
{
|
||||
sha1_hmac_ctx_t sha1_hmac_ctx2 = sha1_hmac_ctx;
|
||||
|
||||
u32 w0[4];
|
||||
u32 w1[4];
|
||||
u32 w2[4];
|
||||
u32 w3[4];
|
||||
|
||||
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;
|
||||
|
||||
sha1_hmac_update_64 (&sha1_hmac_ctx2, w0, w1, w2, w3, 4);
|
||||
|
||||
sha1_hmac_final (&sha1_hmac_ctx2);
|
||||
|
||||
tmps[gid].dgst[i + 0] = sha1_hmac_ctx2.opad.h[0];
|
||||
tmps[gid].dgst[i + 1] = sha1_hmac_ctx2.opad.h[1];
|
||||
tmps[gid].dgst[i + 2] = sha1_hmac_ctx2.opad.h[2];
|
||||
tmps[gid].dgst[i + 3] = sha1_hmac_ctx2.opad.h[3];
|
||||
tmps[gid].dgst[i + 4] = sha1_hmac_ctx2.opad.h[4];
|
||||
|
||||
tmps[gid].out[i + 0] = tmps[gid].dgst[i + 0];
|
||||
tmps[gid].out[i + 1] = tmps[gid].dgst[i + 1];
|
||||
tmps[gid].out[i + 2] = tmps[gid].dgst[i + 2];
|
||||
tmps[gid].out[i + 3] = tmps[gid].dgst[i + 3];
|
||||
tmps[gid].out[i + 4] = tmps[gid].dgst[i + 4];
|
||||
}
|
||||
}
|
||||
|
||||
KERNEL_FQ void m19800_loop (KERN_ATTR_TMPS_ESALT (krb5pa_17_tmp_t, krb5pa_17_t))
|
||||
{
|
||||
/**
|
||||
* base
|
||||
*/
|
||||
const u64 gid = get_global_id (0);
|
||||
|
||||
if ((gid * VECT_SIZE) >= gid_max) return;
|
||||
|
||||
u32x ipad[5];
|
||||
u32x opad[5];
|
||||
|
||||
ipad[0] = packv (tmps, ipad, gid, 0);
|
||||
ipad[1] = packv (tmps, ipad, gid, 1);
|
||||
ipad[2] = packv (tmps, ipad, gid, 2);
|
||||
ipad[3] = packv (tmps, ipad, gid, 3);
|
||||
ipad[4] = packv (tmps, ipad, gid, 4);
|
||||
|
||||
opad[0] = packv (tmps, opad, gid, 0);
|
||||
opad[1] = packv (tmps, opad, gid, 1);
|
||||
opad[2] = packv (tmps, opad, gid, 2);
|
||||
opad[3] = packv (tmps, opad, gid, 3);
|
||||
opad[4] = packv (tmps, opad, gid, 4);
|
||||
|
||||
for (u32 i = 0; i < 4; i += 5)
|
||||
{
|
||||
u32x dgst[5];
|
||||
u32x out[5];
|
||||
|
||||
dgst[0] = packv (tmps, dgst, gid, i + 0);
|
||||
dgst[1] = packv (tmps, dgst, gid, i + 1);
|
||||
dgst[2] = packv (tmps, dgst, gid, i + 2);
|
||||
dgst[3] = packv (tmps, dgst, gid, i + 3);
|
||||
dgst[4] = packv (tmps, dgst, gid, i + 4);
|
||||
|
||||
out[0] = packv (tmps, out, gid, i + 0);
|
||||
out[1] = packv (tmps, out, gid, i + 1);
|
||||
out[2] = packv (tmps, out, gid, i + 2);
|
||||
out[3] = packv (tmps, out, gid, i + 3);
|
||||
out[4] = packv (tmps, out, gid, i + 4);
|
||||
|
||||
for (u32 j = 0; j < loop_cnt; j++)
|
||||
{
|
||||
u32x w0[4];
|
||||
u32x w1[4];
|
||||
u32x w2[4];
|
||||
u32x w3[4];
|
||||
|
||||
w0[0] = dgst[0];
|
||||
w0[1] = dgst[1];
|
||||
w0[2] = dgst[2];
|
||||
w0[3] = dgst[3];
|
||||
w1[0] = dgst[4];
|
||||
w1[1] = 0x80000000;
|
||||
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] = (64 + 20) * 8;
|
||||
|
||||
hmac_sha1_run_V (w0, w1, w2, w3, ipad, opad, dgst);
|
||||
|
||||
out[0] ^= dgst[0];
|
||||
out[1] ^= dgst[1];
|
||||
out[2] ^= dgst[2];
|
||||
out[3] ^= dgst[3];
|
||||
out[4] ^= dgst[4];
|
||||
}
|
||||
|
||||
unpackv (tmps, dgst, gid, i + 0, dgst[0]);
|
||||
unpackv (tmps, dgst, gid, i + 1, dgst[1]);
|
||||
unpackv (tmps, dgst, gid, i + 2, dgst[2]);
|
||||
unpackv (tmps, dgst, gid, i + 3, dgst[3]);
|
||||
unpackv (tmps, dgst, gid, i + 4, dgst[4]);
|
||||
|
||||
unpackv (tmps, out, gid, i + 0, out[0]);
|
||||
unpackv (tmps, out, gid, i + 1, out[1]);
|
||||
unpackv (tmps, out, gid, i + 2, out[2]);
|
||||
unpackv (tmps, out, gid, i + 3, out[3]);
|
||||
unpackv (tmps, out, gid, i + 4, out[4]);
|
||||
}
|
||||
}
|
||||
|
||||
KERNEL_FQ void m19800_comp (KERN_ATTR_TMPS_ESALT (krb5pa_17_tmp_t, krb5pa_17_t))
|
||||
{
|
||||
/**
|
||||
* base
|
||||
*/
|
||||
|
||||
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_AS u32 s_td0[256];
|
||||
LOCAL_AS u32 s_td1[256];
|
||||
LOCAL_AS u32 s_td2[256];
|
||||
LOCAL_AS u32 s_td3[256];
|
||||
LOCAL_AS u32 s_td4[256];
|
||||
|
||||
LOCAL_AS u32 s_te0[256];
|
||||
LOCAL_AS u32 s_te1[256];
|
||||
LOCAL_AS u32 s_te2[256];
|
||||
LOCAL_AS u32 s_te3[256];
|
||||
LOCAL_AS 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];
|
||||
}
|
||||
|
||||
barrier (CLK_LOCAL_MEM_FENCE);
|
||||
|
||||
#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;
|
||||
|
||||
/*
|
||||
at this point, the output ('seed') will be used to generate AES keys:
|
||||
|
||||
key_bytes = derive(seed, 'kerberos'.encode(), seedsize)
|
||||
|
||||
'key_bytes' will be the AES key used to generate 'ke' and 'ki'
|
||||
'ke' will be the AES key to decrypt the ticket
|
||||
'ki' will be the key to compute the final HMAC
|
||||
*/
|
||||
|
||||
u32 nfolded[4];
|
||||
|
||||
// we can precompute _nfold('kerberos', 16)
|
||||
nfolded[0] = 0x6b657262;
|
||||
nfolded[1] = 0x65726f73;
|
||||
nfolded[2] = 0x7b9b5b2b;
|
||||
nfolded[3] = 0x93132b93;
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'seed' as key along with a null IV
|
||||
u32 aes_key[4];
|
||||
|
||||
aes_key[0] = hc_swap32_S (tmps[gid].out[0]);
|
||||
aes_key[1] = hc_swap32_S (tmps[gid].out[1]);
|
||||
aes_key[2] = hc_swap32_S (tmps[gid].out[2]);
|
||||
aes_key[3] = hc_swap32_S (tmps[gid].out[3]);
|
||||
|
||||
u32 aes_iv[4];
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
u32 aes_ks[44];
|
||||
|
||||
aes128_set_encrypt_key (aes_ks, aes_key, s_te0, s_te1, s_te2, s_te3);
|
||||
|
||||
u32 key_bytes[4];
|
||||
|
||||
u32 out[4];
|
||||
aes128_encrypt_cbc (aes_ks, aes_iv, nfolded, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
key_bytes[0] = hc_swap32_S (out[0]);
|
||||
key_bytes[1] = hc_swap32_S (out[1]);
|
||||
key_bytes[2] = hc_swap32_S (out[2]);
|
||||
key_bytes[3] = hc_swap32_S (out[3]);
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'key_bytes' as key along with a null IV
|
||||
aes128_set_encrypt_key (aes_ks, key_bytes, s_te0, s_te1, s_te2, s_te3);
|
||||
|
||||
/* we will now compute 'ke' */
|
||||
|
||||
u32 ke[4];
|
||||
|
||||
// we can precompute _nfold(pack('>IB', 1, 0xAA), 16)
|
||||
nfolded[0] = 0xae2c160b;
|
||||
nfolded[1] = 0x04ad5006;
|
||||
nfolded[2] = 0xab55aad5;
|
||||
nfolded[3] = 0x6a80355a;
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'key_bytes' as key along with a null IV
|
||||
aes128_encrypt_cbc (aes_ks, aes_iv, nfolded, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
ke[0] = out[0];
|
||||
ke[1] = out[1];
|
||||
ke[2] = out[2];
|
||||
ke[3] = out[3];
|
||||
|
||||
// Decode the CTS mode encryption by decrypting c_n-1 and swapping it with c_n
|
||||
u32 enc_blocks[12];
|
||||
|
||||
u32 decrypted_block[4];
|
||||
|
||||
// c_0
|
||||
enc_blocks[0] = esalt_bufs[digests_offset].enc_timestamp[0];
|
||||
enc_blocks[1] = esalt_bufs[digests_offset].enc_timestamp[1];
|
||||
enc_blocks[2] = esalt_bufs[digests_offset].enc_timestamp[2];
|
||||
enc_blocks[3] = esalt_bufs[digests_offset].enc_timestamp[3];
|
||||
|
||||
// c_1 aka c_n-1 since there are guaranteed to be exactly 3 blocks
|
||||
enc_blocks[4] = esalt_bufs[digests_offset].enc_timestamp[4];
|
||||
enc_blocks[5] = esalt_bufs[digests_offset].enc_timestamp[5];
|
||||
enc_blocks[6] = esalt_bufs[digests_offset].enc_timestamp[6];
|
||||
enc_blocks[7] = esalt_bufs[digests_offset].enc_timestamp[7];
|
||||
|
||||
u32 w0[4];
|
||||
u32 w1[4];
|
||||
u32 w2[4];
|
||||
u32 w3[4];
|
||||
|
||||
u32 aes_cts_decrypt_ks[44];
|
||||
|
||||
AES128_set_decrypt_key (aes_cts_decrypt_ks, ke, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
|
||||
|
||||
// Our first decryption is the last block (currently in c_n-1) using the first portion of (c_n) as our IV, this allows us to get plaintext in one crypto operation
|
||||
aes_iv[0] = esalt_bufs[digests_offset].enc_timestamp[8];
|
||||
aes_iv[1] = esalt_bufs[digests_offset].enc_timestamp[9];
|
||||
aes_iv[2] = esalt_bufs[digests_offset].enc_timestamp[10];
|
||||
aes_iv[3] = esalt_bufs[digests_offset].enc_timestamp[11];
|
||||
|
||||
aes128_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks + 4, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w0[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w0[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w0[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w0[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
// Move as much code as possible after this branch to avoid unnecessary computation on misses
|
||||
if (((w0[0] & 0xf0f0f0f0) == 0x30303030) && ((w0[1] & 0xffff0000) == 0x5aa10000))
|
||||
{
|
||||
// Decrypt c_n-1 without an IV for the padding blocks on c_n
|
||||
aes128_decrypt (aes_cts_decrypt_ks, enc_blocks + 4, decrypted_block, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w0[0] = decrypted_block[0];
|
||||
w0[1] = decrypted_block[1];
|
||||
w0[2] = decrypted_block[2];
|
||||
w0[3] = decrypted_block[3];
|
||||
|
||||
int enc_timestamp_len = esalt_bufs[digests_offset].enc_timestamp_len;
|
||||
int last_word_position = enc_timestamp_len / 4;
|
||||
|
||||
// New c_1, join c_n with result of the decrypted c_n-1
|
||||
int last_block_iter;
|
||||
for (last_block_iter = 4; last_block_iter < 8; last_block_iter++)
|
||||
{
|
||||
if (last_word_position > last_block_iter + 4)
|
||||
{
|
||||
enc_blocks[last_block_iter] = esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4];
|
||||
}
|
||||
else if (last_word_position == last_block_iter + 4)
|
||||
{
|
||||
// Handle case when the split lands in the middle of a WORD
|
||||
switch (enc_timestamp_len % 4)
|
||||
{
|
||||
case 1:
|
||||
enc_blocks[last_block_iter] = (esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4] & 0x000000ff) | (w0[last_block_iter - 4] & 0xffffff00);
|
||||
break;
|
||||
case 2:
|
||||
enc_blocks[last_block_iter] = (esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4] & 0x0000ffff) | (w0[last_block_iter - 4] & 0xffff0000);
|
||||
break;
|
||||
case 3:
|
||||
enc_blocks[last_block_iter] = (esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4] & 0x00ffffff) | (w0[last_block_iter - 4] & 0xff000000);
|
||||
break;
|
||||
default:
|
||||
enc_blocks[last_block_iter] = w0[last_block_iter - 4];
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
enc_blocks[last_block_iter] = w0[last_block_iter - 4];
|
||||
}
|
||||
}
|
||||
|
||||
// c_2 aka c_n which is now equal to the old c_n-1
|
||||
enc_blocks[8] = esalt_bufs[digests_offset].enc_timestamp[4];
|
||||
enc_blocks[9] = esalt_bufs[digests_offset].enc_timestamp[5];
|
||||
enc_blocks[10] = esalt_bufs[digests_offset].enc_timestamp[6];
|
||||
enc_blocks[11] = esalt_bufs[digests_offset].enc_timestamp[7];
|
||||
// Go ahead and decrypt all blocks now as a normal AES CBC operation
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
aes128_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w0[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w0[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w0[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w0[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
aes128_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks + 4, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w1[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w1[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w1[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w1[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
aes128_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks + 8, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w2[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w2[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w2[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w2[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
w3[0] = 0;
|
||||
w3[1] = 0;
|
||||
w3[2] = 0;
|
||||
w3[3] = 0;
|
||||
|
||||
/* we will now compute 'ki', having 'key_bytes' */
|
||||
|
||||
u32 ki[8];
|
||||
|
||||
// we can precompute _nfold(pack('>IB', 1, 0x55), 16)
|
||||
nfolded[0] = 0x5b582c16;
|
||||
nfolded[1] = 0x0a5aa805;
|
||||
nfolded[2] = 0x56ab55aa;
|
||||
nfolded[3] = 0xd5402ab5;
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'key_bytes' as key along with a null IV
|
||||
aes128_set_encrypt_key (aes_ks, key_bytes, s_te0, s_te1, s_te2, s_te3);
|
||||
|
||||
aes128_encrypt_cbc (aes_ks, aes_iv, nfolded, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
ki[0] = out[0];
|
||||
ki[1] = out[1];
|
||||
ki[2] = out[2];
|
||||
ki[3] = out[3];
|
||||
|
||||
sha1_hmac_ctx_t sha1_hmac_ctx;
|
||||
|
||||
/*
|
||||
hmac message = plaintext
|
||||
hmac key = ki
|
||||
*/
|
||||
|
||||
u32 k0[4];
|
||||
u32 k1[4];
|
||||
u32 k2[4];
|
||||
u32 k3[4];
|
||||
|
||||
k0[0] = ki[0];
|
||||
k0[1] = ki[1];
|
||||
k0[2] = ki[2];
|
||||
k0[3] = ki[3];
|
||||
|
||||
k1[0] = 0;
|
||||
k1[1] = 0;
|
||||
k1[2] = 0;
|
||||
k1[3] = 0;
|
||||
|
||||
k2[0] = 0;
|
||||
k2[1] = 0;
|
||||
k2[2] = 0;
|
||||
k2[3] = 0;
|
||||
|
||||
k3[0] = 0;
|
||||
k3[1] = 0;
|
||||
k3[2] = 0;
|
||||
k3[3] = 0;
|
||||
|
||||
sha1_hmac_init_64 (&sha1_hmac_ctx, k0, k1, k2, k3);
|
||||
|
||||
sha1_hmac_update_64 (&sha1_hmac_ctx, w0, w1, w2, w3, enc_timestamp_len);
|
||||
|
||||
sha1_hmac_final(&sha1_hmac_ctx);
|
||||
|
||||
// Compare checksum
|
||||
if(sha1_hmac_ctx.opad.h[0] == esalt_bufs[digests_offset].checksum[0]
|
||||
&& sha1_hmac_ctx.opad.h[1] == esalt_bufs[digests_offset].checksum[1]
|
||||
&& sha1_hmac_ctx.opad.h[2] == esalt_bufs[digests_offset].checksum[2])
|
||||
{
|
||||
if (atomic_inc (&hashes_shown[digests_offset]) == 0)
|
||||
{
|
||||
#define il_pos 0
|
||||
mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
657
OpenCL/m19900-pure.cl
Normal file
657
OpenCL/m19900-pure.cl
Normal file
@ -0,0 +1,657 @@
|
||||
/**
|
||||
* Author......: See docs/credits.txt
|
||||
* License.....: MIT
|
||||
*/
|
||||
|
||||
#define NEW_SIMD_CODE
|
||||
|
||||
#ifdef KERNEL_STATIC
|
||||
#include "inc_vendor.h"
|
||||
#include "inc_types.h"
|
||||
#include "inc_common.cl"
|
||||
#include "inc_simd.cl"
|
||||
#include "inc_hash_sha1.cl"
|
||||
#include "inc_cipher_aes.cl"
|
||||
#endif
|
||||
|
||||
typedef struct krb5pa_18
|
||||
{
|
||||
u32 user[128];
|
||||
u32 domain[128];
|
||||
u32 account_info[512];
|
||||
u32 account_info_len;
|
||||
|
||||
u32 checksum[3];
|
||||
u32 enc_timestamp[32];
|
||||
u32 enc_timestamp_len;
|
||||
|
||||
} krb5pa_18_t;
|
||||
|
||||
typedef struct krb5pa_18_tmp
|
||||
{
|
||||
u32 ipad[5];
|
||||
u32 opad[5];
|
||||
u32 dgst[16];
|
||||
u32 out[16];
|
||||
|
||||
} krb5pa_18_tmp_t;
|
||||
|
||||
DECLSPEC static void aes256_encrypt_cbc (const u32 *aes_ks, u32 *aes_iv, const u32 *in, u32 *out, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
|
||||
{
|
||||
u32 data[4];
|
||||
|
||||
data[0] = hc_swap32_S (in[0]);
|
||||
data[1] = hc_swap32_S (in[1]);
|
||||
data[2] = hc_swap32_S (in[2]);
|
||||
data[3] = hc_swap32_S (in[3]);
|
||||
|
||||
data[0] ^= aes_iv[0];
|
||||
data[1] ^= aes_iv[1];
|
||||
data[2] ^= aes_iv[2];
|
||||
data[3] ^= aes_iv[3];
|
||||
|
||||
aes256_encrypt (aes_ks, data, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
aes_iv[0] = out[0];
|
||||
aes_iv[1] = out[1];
|
||||
aes_iv[2] = out[2];
|
||||
aes_iv[3] = out[3];
|
||||
|
||||
out[0] = hc_swap32_S (out[0]);
|
||||
out[1] = hc_swap32_S (out[1]);
|
||||
out[2] = hc_swap32_S (out[2]);
|
||||
out[3] = hc_swap32_S (out[3]);
|
||||
}
|
||||
|
||||
DECLSPEC static void aes256_decrypt_cbc (const u32 *ks1, const u32 *in, u32 *out, u32 *essiv, SHM_TYPE u32 *s_td0, SHM_TYPE u32 *s_td1, SHM_TYPE u32 *s_td2, SHM_TYPE u32 *s_td3, SHM_TYPE u32 *s_td4)
|
||||
{
|
||||
aes256_decrypt (ks1, in, out, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
out[0] ^= essiv[0];
|
||||
out[1] ^= essiv[1];
|
||||
out[2] ^= essiv[2];
|
||||
out[3] ^= essiv[3];
|
||||
|
||||
essiv[0] = in[0];
|
||||
essiv[1] = in[1];
|
||||
essiv[2] = in[2];
|
||||
essiv[3] = in[3];
|
||||
}
|
||||
|
||||
DECLSPEC static void hmac_sha1_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, u32x *digest)
|
||||
{
|
||||
digest[0] = ipad[0];
|
||||
digest[1] = ipad[1];
|
||||
digest[2] = ipad[2];
|
||||
digest[3] = ipad[3];
|
||||
digest[4] = ipad[4];
|
||||
|
||||
sha1_transform_vector (w0, w1, w2, w3, digest);
|
||||
|
||||
w0[0] = digest[0];
|
||||
w0[1] = digest[1];
|
||||
w0[2] = digest[2];
|
||||
w0[3] = digest[3];
|
||||
w1[0] = digest[4];
|
||||
w1[1] = 0x80000000;
|
||||
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] = (64 + 20) * 8;
|
||||
|
||||
digest[0] = opad[0];
|
||||
digest[1] = opad[1];
|
||||
digest[2] = opad[2];
|
||||
digest[3] = opad[3];
|
||||
digest[4] = opad[4];
|
||||
|
||||
sha1_transform_vector (w0, w1, w2, w3, digest);
|
||||
}
|
||||
|
||||
KERNEL_FQ void m19900_init (KERN_ATTR_TMPS_ESALT (krb5pa_18_tmp_t, krb5pa_18_t))
|
||||
{
|
||||
/**
|
||||
* base
|
||||
*/
|
||||
|
||||
const u64 gid = get_global_id (0);
|
||||
|
||||
if (gid >= gid_max) return;
|
||||
|
||||
/**
|
||||
* main
|
||||
*/
|
||||
|
||||
/* initialize hmac-sha1 for pbkdf2(password, account, 4096, account_len) */
|
||||
|
||||
sha1_hmac_ctx_t sha1_hmac_ctx;
|
||||
|
||||
sha1_hmac_init_global_swap (&sha1_hmac_ctx, pws[gid].i, pws[gid].pw_len);
|
||||
|
||||
tmps[gid].ipad[0] = sha1_hmac_ctx.ipad.h[0];
|
||||
tmps[gid].ipad[1] = sha1_hmac_ctx.ipad.h[1];
|
||||
tmps[gid].ipad[2] = sha1_hmac_ctx.ipad.h[2];
|
||||
tmps[gid].ipad[3] = sha1_hmac_ctx.ipad.h[3];
|
||||
tmps[gid].ipad[4] = sha1_hmac_ctx.ipad.h[4];
|
||||
|
||||
tmps[gid].opad[0] = sha1_hmac_ctx.opad.h[0];
|
||||
tmps[gid].opad[1] = sha1_hmac_ctx.opad.h[1];
|
||||
tmps[gid].opad[2] = sha1_hmac_ctx.opad.h[2];
|
||||
tmps[gid].opad[3] = sha1_hmac_ctx.opad.h[3];
|
||||
tmps[gid].opad[4] = sha1_hmac_ctx.opad.h[4];
|
||||
|
||||
sha1_hmac_update_global_swap (&sha1_hmac_ctx, esalt_bufs[digests_offset].account_info, esalt_bufs[digests_offset].account_info_len);
|
||||
|
||||
for (u32 i = 0, j = 1; i < 8; i += 5, j += 1)
|
||||
{
|
||||
sha1_hmac_ctx_t sha1_hmac_ctx2 = sha1_hmac_ctx;
|
||||
|
||||
u32 w0[4];
|
||||
u32 w1[4];
|
||||
u32 w2[4];
|
||||
u32 w3[4];
|
||||
|
||||
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;
|
||||
|
||||
sha1_hmac_update_64 (&sha1_hmac_ctx2, w0, w1, w2, w3, 4);
|
||||
|
||||
sha1_hmac_final (&sha1_hmac_ctx2);
|
||||
|
||||
tmps[gid].dgst[i + 0] = sha1_hmac_ctx2.opad.h[0];
|
||||
tmps[gid].dgst[i + 1] = sha1_hmac_ctx2.opad.h[1];
|
||||
tmps[gid].dgst[i + 2] = sha1_hmac_ctx2.opad.h[2];
|
||||
tmps[gid].dgst[i + 3] = sha1_hmac_ctx2.opad.h[3];
|
||||
tmps[gid].dgst[i + 4] = sha1_hmac_ctx2.opad.h[4];
|
||||
|
||||
tmps[gid].out[i + 0] = tmps[gid].dgst[i + 0];
|
||||
tmps[gid].out[i + 1] = tmps[gid].dgst[i + 1];
|
||||
tmps[gid].out[i + 2] = tmps[gid].dgst[i + 2];
|
||||
tmps[gid].out[i + 3] = tmps[gid].dgst[i + 3];
|
||||
tmps[gid].out[i + 4] = tmps[gid].dgst[i + 4];
|
||||
}
|
||||
}
|
||||
|
||||
KERNEL_FQ void m19900_loop (KERN_ATTR_TMPS_ESALT (krb5pa_18_tmp_t, krb5pa_18_t))
|
||||
{
|
||||
/**
|
||||
* base
|
||||
*/
|
||||
const u64 gid = get_global_id (0);
|
||||
|
||||
if ((gid * VECT_SIZE) >= gid_max) return;
|
||||
|
||||
u32x ipad[5];
|
||||
u32x opad[5];
|
||||
|
||||
ipad[0] = packv (tmps, ipad, gid, 0);
|
||||
ipad[1] = packv (tmps, ipad, gid, 1);
|
||||
ipad[2] = packv (tmps, ipad, gid, 2);
|
||||
ipad[3] = packv (tmps, ipad, gid, 3);
|
||||
ipad[4] = packv (tmps, ipad, gid, 4);
|
||||
|
||||
opad[0] = packv (tmps, opad, gid, 0);
|
||||
opad[1] = packv (tmps, opad, gid, 1);
|
||||
opad[2] = packv (tmps, opad, gid, 2);
|
||||
opad[3] = packv (tmps, opad, gid, 3);
|
||||
opad[4] = packv (tmps, opad, gid, 4);
|
||||
|
||||
for (u32 i = 0; i < 8; i += 5)
|
||||
{
|
||||
u32x dgst[5];
|
||||
u32x out[5];
|
||||
|
||||
dgst[0] = packv (tmps, dgst, gid, i + 0);
|
||||
dgst[1] = packv (tmps, dgst, gid, i + 1);
|
||||
dgst[2] = packv (tmps, dgst, gid, i + 2);
|
||||
dgst[3] = packv (tmps, dgst, gid, i + 3);
|
||||
dgst[4] = packv (tmps, dgst, gid, i + 4);
|
||||
|
||||
out[0] = packv (tmps, out, gid, i + 0);
|
||||
out[1] = packv (tmps, out, gid, i + 1);
|
||||
out[2] = packv (tmps, out, gid, i + 2);
|
||||
out[3] = packv (tmps, out, gid, i + 3);
|
||||
out[4] = packv (tmps, out, gid, i + 4);
|
||||
|
||||
for (u32 j = 0; j < loop_cnt; j++)
|
||||
{
|
||||
u32x w0[4];
|
||||
u32x w1[4];
|
||||
u32x w2[4];
|
||||
u32x w3[4];
|
||||
|
||||
w0[0] = dgst[0];
|
||||
w0[1] = dgst[1];
|
||||
w0[2] = dgst[2];
|
||||
w0[3] = dgst[3];
|
||||
w1[0] = dgst[4];
|
||||
w1[1] = 0x80000000;
|
||||
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] = (64 + 20) * 8;
|
||||
|
||||
hmac_sha1_run_V (w0, w1, w2, w3, ipad, opad, dgst);
|
||||
|
||||
out[0] ^= dgst[0];
|
||||
out[1] ^= dgst[1];
|
||||
out[2] ^= dgst[2];
|
||||
out[3] ^= dgst[3];
|
||||
out[4] ^= dgst[4];
|
||||
}
|
||||
|
||||
unpackv (tmps, dgst, gid, i + 0, dgst[0]);
|
||||
unpackv (tmps, dgst, gid, i + 1, dgst[1]);
|
||||
unpackv (tmps, dgst, gid, i + 2, dgst[2]);
|
||||
unpackv (tmps, dgst, gid, i + 3, dgst[3]);
|
||||
unpackv (tmps, dgst, gid, i + 4, dgst[4]);
|
||||
|
||||
unpackv (tmps, out, gid, i + 0, out[0]);
|
||||
unpackv (tmps, out, gid, i + 1, out[1]);
|
||||
unpackv (tmps, out, gid, i + 2, out[2]);
|
||||
unpackv (tmps, out, gid, i + 3, out[3]);
|
||||
unpackv (tmps, out, gid, i + 4, out[4]);
|
||||
}
|
||||
}
|
||||
|
||||
KERNEL_FQ void m19900_comp (KERN_ATTR_TMPS_ESALT (krb5pa_18_tmp_t, krb5pa_18_t))
|
||||
{
|
||||
/**
|
||||
* base
|
||||
*/
|
||||
|
||||
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_AS u32 s_td0[256];
|
||||
LOCAL_AS u32 s_td1[256];
|
||||
LOCAL_AS u32 s_td2[256];
|
||||
LOCAL_AS u32 s_td3[256];
|
||||
LOCAL_AS u32 s_td4[256];
|
||||
|
||||
LOCAL_AS u32 s_te0[256];
|
||||
LOCAL_AS u32 s_te1[256];
|
||||
LOCAL_AS u32 s_te2[256];
|
||||
LOCAL_AS u32 s_te3[256];
|
||||
LOCAL_AS 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];
|
||||
}
|
||||
|
||||
barrier (CLK_LOCAL_MEM_FENCE);
|
||||
|
||||
#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;
|
||||
|
||||
/*
|
||||
at this point, the output ('seed') will be used to generate AES keys:
|
||||
|
||||
key_bytes = derive(seed, 'kerberos'.encode(), seedsize)
|
||||
|
||||
'key_bytes' will be the AES key used to generate 'ke' and 'ki'
|
||||
'ke' will be the AES key to decrypt the ticket
|
||||
'ki' will be the key to compute the final HMAC
|
||||
*/
|
||||
|
||||
u32 nfolded[4];
|
||||
|
||||
// we can precompute _nfold('kerberos', 16)
|
||||
nfolded[0] = 0x6b657262;
|
||||
nfolded[1] = 0x65726f73;
|
||||
nfolded[2] = 0x7b9b5b2b;
|
||||
nfolded[3] = 0x93132b93;
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'seed' as key along with a null IV
|
||||
u32 aes_key[8];
|
||||
|
||||
aes_key[0] = hc_swap32_S (tmps[gid].out[0]);
|
||||
aes_key[1] = hc_swap32_S (tmps[gid].out[1]);
|
||||
aes_key[2] = hc_swap32_S (tmps[gid].out[2]);
|
||||
aes_key[3] = hc_swap32_S (tmps[gid].out[3]);
|
||||
aes_key[4] = hc_swap32_S (tmps[gid].out[4]);
|
||||
aes_key[5] = hc_swap32_S (tmps[gid].out[5]);
|
||||
aes_key[6] = hc_swap32_S (tmps[gid].out[6]);
|
||||
aes_key[7] = hc_swap32_S (tmps[gid].out[7]);
|
||||
|
||||
u32 aes_iv[4];
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
u32 aes_ks[60];
|
||||
|
||||
aes256_set_encrypt_key (aes_ks, aes_key, s_te0, s_te1, s_te2, s_te3);
|
||||
|
||||
u32 key_bytes[8];
|
||||
|
||||
u32 out[4];
|
||||
aes256_encrypt_cbc (aes_ks, aes_iv, nfolded, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
key_bytes[0] = hc_swap32_S (out[0]);
|
||||
key_bytes[1] = hc_swap32_S (out[1]);
|
||||
key_bytes[2] = hc_swap32_S (out[2]);
|
||||
key_bytes[3] = hc_swap32_S (out[3]);
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
aes256_encrypt_cbc (aes_ks, aes_iv, out, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
key_bytes[4] = hc_swap32_S (out[0]);
|
||||
key_bytes[5] = hc_swap32_S (out[1]);
|
||||
key_bytes[6] = hc_swap32_S (out[2]);
|
||||
key_bytes[7] = hc_swap32_S (out[3]);
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'key_bytes' as key along with a null IV
|
||||
aes256_set_encrypt_key (aes_ks, key_bytes, s_te0, s_te1, s_te2, s_te3);
|
||||
|
||||
/* we will now compute 'ke' */
|
||||
|
||||
u32 ke[8];
|
||||
|
||||
// we can precompute _nfold(pack('>IB', 1, 0xAA), 16)
|
||||
nfolded[0] = 0xae2c160b;
|
||||
nfolded[1] = 0x04ad5006;
|
||||
nfolded[2] = 0xab55aad5;
|
||||
nfolded[3] = 0x6a80355a;
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'key_bytes' as key along with a null IV
|
||||
aes256_encrypt_cbc (aes_ks, aes_iv, nfolded, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
ke[0] = out[0];
|
||||
ke[1] = out[1];
|
||||
ke[2] = out[2];
|
||||
ke[3] = out[3];
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
aes256_encrypt_cbc (aes_ks, aes_iv, out, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
ke[4] = out[0];
|
||||
ke[5] = out[1];
|
||||
ke[6] = out[2];
|
||||
ke[7] = out[3];
|
||||
|
||||
// Decode the CTS mode encryption by decrypting c_n-1 and swapping it with c_n
|
||||
u32 enc_blocks[12];
|
||||
|
||||
u32 decrypted_block[4];
|
||||
|
||||
// c_0
|
||||
enc_blocks[0] = esalt_bufs[digests_offset].enc_timestamp[0];
|
||||
enc_blocks[1] = esalt_bufs[digests_offset].enc_timestamp[1];
|
||||
enc_blocks[2] = esalt_bufs[digests_offset].enc_timestamp[2];
|
||||
enc_blocks[3] = esalt_bufs[digests_offset].enc_timestamp[3];
|
||||
|
||||
// c_1 aka c_n-1 since there are guaranteed to be exactly 3 blocks
|
||||
enc_blocks[4] = esalt_bufs[digests_offset].enc_timestamp[4];
|
||||
enc_blocks[5] = esalt_bufs[digests_offset].enc_timestamp[5];
|
||||
enc_blocks[6] = esalt_bufs[digests_offset].enc_timestamp[6];
|
||||
enc_blocks[7] = esalt_bufs[digests_offset].enc_timestamp[7];
|
||||
|
||||
u32 w0[4];
|
||||
u32 w1[4];
|
||||
u32 w2[4];
|
||||
u32 w3[4];
|
||||
|
||||
u32 aes_cts_decrypt_ks[60];
|
||||
|
||||
AES256_set_decrypt_key (aes_cts_decrypt_ks, ke, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
|
||||
|
||||
// Our first decryption is the last block (currently in c_n-1) using the first portion of (c_n) as our IV, this allows us to get plaintext in one crypto operation
|
||||
aes_iv[0] = esalt_bufs[digests_offset].enc_timestamp[8];
|
||||
aes_iv[1] = esalt_bufs[digests_offset].enc_timestamp[9];
|
||||
aes_iv[2] = esalt_bufs[digests_offset].enc_timestamp[10];
|
||||
aes_iv[3] = esalt_bufs[digests_offset].enc_timestamp[11];
|
||||
|
||||
aes256_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks + 4, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w0[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w0[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w0[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w0[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
// Move as much code as possible after this branch to avoid unnecessary computation on misses
|
||||
if (((w0[0] & 0xf0f0f0f0) == 0x30303030) && ((w0[1] & 0xffff0000) == 0x5aa10000))
|
||||
{
|
||||
// Decrypt c_n-1 without an IV for the padding blocks on c_n
|
||||
aes256_decrypt (aes_cts_decrypt_ks, enc_blocks + 4, decrypted_block, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w0[0] = decrypted_block[0];
|
||||
w0[1] = decrypted_block[1];
|
||||
w0[2] = decrypted_block[2];
|
||||
w0[3] = decrypted_block[3];
|
||||
|
||||
int enc_timestamp_len = esalt_bufs[digests_offset].enc_timestamp_len;
|
||||
int last_word_position = enc_timestamp_len / 4;
|
||||
|
||||
// New c_1, join c_n with result of the decrypted c_n-1
|
||||
int last_block_iter;
|
||||
for (last_block_iter = 4; last_block_iter < 8; last_block_iter++)
|
||||
{
|
||||
if (last_word_position > last_block_iter + 4)
|
||||
{
|
||||
enc_blocks[last_block_iter] = esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4];
|
||||
}
|
||||
else if (last_word_position == last_block_iter + 4)
|
||||
{
|
||||
// Handle case when the split lands in the middle of a WORD
|
||||
switch (enc_timestamp_len % 4)
|
||||
{
|
||||
case 1:
|
||||
enc_blocks[last_block_iter] = (esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4] & 0x000000ff) | (w0[last_block_iter - 4] & 0xffffff00);
|
||||
break;
|
||||
case 2:
|
||||
enc_blocks[last_block_iter] = (esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4] & 0x0000ffff) | (w0[last_block_iter - 4] & 0xffff0000);
|
||||
break;
|
||||
case 3:
|
||||
enc_blocks[last_block_iter] = (esalt_bufs[digests_offset].enc_timestamp[last_block_iter + 4] & 0x00ffffff) | (w0[last_block_iter - 4] & 0xff000000);
|
||||
break;
|
||||
default:
|
||||
enc_blocks[last_block_iter] = w0[last_block_iter - 4];
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
enc_blocks[last_block_iter] = w0[last_block_iter - 4];
|
||||
}
|
||||
}
|
||||
|
||||
// c_2 aka c_n which is now equal to the old c_n-1
|
||||
enc_blocks[8] = esalt_bufs[digests_offset].enc_timestamp[4];
|
||||
enc_blocks[9] = esalt_bufs[digests_offset].enc_timestamp[5];
|
||||
enc_blocks[10] = esalt_bufs[digests_offset].enc_timestamp[6];
|
||||
enc_blocks[11] = esalt_bufs[digests_offset].enc_timestamp[7];
|
||||
|
||||
// Go ahead and decrypt all blocks now as a normal AES CBC operation
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
aes256_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w0[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w0[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w0[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w0[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
aes256_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks + 4, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w1[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w1[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w1[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w1[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
aes256_decrypt_cbc (aes_cts_decrypt_ks, enc_blocks + 8, decrypted_block, aes_iv, s_td0, s_td1, s_td2, s_td3, s_td4);
|
||||
|
||||
w2[0] = hc_swap32_S (decrypted_block[0]);
|
||||
w2[1] = hc_swap32_S (decrypted_block[1]);
|
||||
w2[2] = hc_swap32_S (decrypted_block[2]);
|
||||
w2[3] = hc_swap32_S (decrypted_block[3]);
|
||||
|
||||
w3[0] = 0;
|
||||
w3[1] = 0;
|
||||
w3[2] = 0;
|
||||
w3[3] = 0;
|
||||
|
||||
/* we will now compute 'ki', having 'key_bytes' */
|
||||
|
||||
u32 ki[8];
|
||||
|
||||
// we can precompute _nfold(pack('>IB', 1, 0x55), 16)
|
||||
nfolded[0] = 0x5b582c16;
|
||||
nfolded[1] = 0x0a5aa805;
|
||||
nfolded[2] = 0x56ab55aa;
|
||||
nfolded[3] = 0xd5402ab5;
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
// then aes_cbc encrypt this nfolded value with 'key_bytes' as key along with a null IV
|
||||
aes256_set_encrypt_key (aes_ks, key_bytes, s_te0, s_te1, s_te2, s_te3);
|
||||
|
||||
aes256_encrypt_cbc (aes_ks, aes_iv, nfolded, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
ki[0] = out[0];
|
||||
ki[1] = out[1];
|
||||
ki[2] = out[2];
|
||||
ki[3] = out[3];
|
||||
|
||||
aes_iv[0] = 0;
|
||||
aes_iv[1] = 0;
|
||||
aes_iv[2] = 0;
|
||||
aes_iv[3] = 0;
|
||||
|
||||
aes256_encrypt_cbc (aes_ks, aes_iv, out, out, s_te0, s_te1, s_te2, s_te3, s_te4);
|
||||
|
||||
ki[4] = out[0];
|
||||
ki[5] = out[1];
|
||||
ki[6] = out[2];
|
||||
ki[7] = out[3];
|
||||
|
||||
sha1_hmac_ctx_t sha1_hmac_ctx;
|
||||
|
||||
/*
|
||||
hmac message = plaintext
|
||||
hmac key = ki
|
||||
*/
|
||||
|
||||
u32 k0[4];
|
||||
u32 k1[4];
|
||||
u32 k2[4];
|
||||
u32 k3[4];
|
||||
|
||||
k0[0] = ki[0];
|
||||
k0[1] = ki[1];
|
||||
k0[2] = ki[2];
|
||||
k0[3] = ki[3];
|
||||
|
||||
k1[0] = ki[4];
|
||||
k1[1] = ki[5];
|
||||
k1[2] = ki[6];
|
||||
k1[3] = ki[7];
|
||||
|
||||
k2[0] = 0;
|
||||
k2[1] = 0;
|
||||
k2[2] = 0;
|
||||
k2[3] = 0;
|
||||
|
||||
k3[0] = 0;
|
||||
k3[1] = 0;
|
||||
k3[2] = 0;
|
||||
k3[3] = 0;
|
||||
|
||||
sha1_hmac_init_64 (&sha1_hmac_ctx, k0, k1, k2, k3);
|
||||
|
||||
sha1_hmac_update_64 (&sha1_hmac_ctx, w0, w1, w2, w3, enc_timestamp_len);
|
||||
|
||||
sha1_hmac_final(&sha1_hmac_ctx);
|
||||
|
||||
// Compare checksum
|
||||
if(sha1_hmac_ctx.opad.h[0] == esalt_bufs[digests_offset].checksum[0]
|
||||
&& sha1_hmac_ctx.opad.h[1] == esalt_bufs[digests_offset].checksum[1]
|
||||
&& sha1_hmac_ctx.opad.h[2] == esalt_bufs[digests_offset].checksum[2])
|
||||
{
|
||||
if (atomic_inc (&hashes_shown[digests_offset]) == 0)
|
||||
{
|
||||
#define il_pos 0
|
||||
mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -29,6 +29,7 @@ Gabriele "matrix" Gristina <matrix@hashcat.net> (@gm4tr1x)
|
||||
Jean-Christophe "Fist0urs" Delaunay <jean-christophe.delaunay@synacktiv.com> (@Fist0urs)
|
||||
|
||||
* Kerberos TGS Rep enctype 23 kernel module
|
||||
* Kerberos TGS Rep enctype 17/18 kernel module
|
||||
* AxCrypt kernel module
|
||||
* KeePass kernel module
|
||||
* DPAPImk v1 and v2 kernel module
|
||||
@ -61,5 +62,8 @@ Rick "Minga" Redman and KoreLogic <mingakore@gmail.com> (@CrackMeIfYouCan)
|
||||
* For running the "Crack Me If You Can" password cracking contest, first of its kind
|
||||
* For pushing password cracking techniques forward
|
||||
|
||||
Brandon Chalk <brandon@casaba.com> (@brandoncasaba)
|
||||
* Kerberos Pre-Auth 17/18 kernel module, ported from @Fist0urs TGS kernel modules
|
||||
|
||||
!!! All the package maintainer of hashcat !!!
|
||||
|
||||
|
||||
295
src/modules/module_19800.c
Normal file
295
src/modules/module_19800.c
Normal file
@ -0,0 +1,295 @@
|
||||
/**
|
||||
* Author......: See docs/credits.txt
|
||||
* License.....: MIT
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
#include "types.h"
|
||||
#include "modules.h"
|
||||
#include "bitops.h"
|
||||
#include "convert.h"
|
||||
#include "shared.h"
|
||||
|
||||
static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL;
|
||||
static const u32 DGST_POS0 = 0;
|
||||
static const u32 DGST_POS1 = 1;
|
||||
static const u32 DGST_POS2 = 2;
|
||||
static const u32 DGST_POS3 = 3;
|
||||
static const u32 DGST_SIZE = DGST_SIZE_4_4;
|
||||
static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
|
||||
static const char *HASH_NAME = "Kerberos 5 Pre-Auth etype 17 (AES128-CTS-HMAC-SHA1-96)";
|
||||
static const u64 KERN_TYPE = 19800;
|
||||
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
|
||||
| OPTI_TYPE_NOT_ITERATED
|
||||
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
|
||||
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE;
|
||||
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
|
||||
static const char *ST_PASS = "hashcat";
|
||||
static const char *ST_HASH = "$krb5pa$17$hashcat$HASHCATDOMAIN.COM$a17776abe5383236c58582f515843e029ecbff43706d177651b7b6cdb2713b17597ddb35b1c9c470c281589fd1d51cca125414d19e40e333";
|
||||
|
||||
u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
|
||||
u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
|
||||
u32 module_dgst_pos1 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1; }
|
||||
u32 module_dgst_pos2 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2; }
|
||||
u32 module_dgst_pos3 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3; }
|
||||
u32 module_dgst_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE; }
|
||||
u32 module_hash_category (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY; }
|
||||
const char *module_hash_name (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME; }
|
||||
u64 module_kern_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE; }
|
||||
u32 module_opti_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE; }
|
||||
u64 module_opts_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE; }
|
||||
u32 module_salt_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE; }
|
||||
const char *module_st_hash (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH; }
|
||||
const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS; }
|
||||
|
||||
typedef struct krb5pa_17
|
||||
{
|
||||
u32 user[128];
|
||||
u32 domain[128];
|
||||
u32 account_info[512];
|
||||
u32 account_info_len;
|
||||
|
||||
u32 checksum[3];
|
||||
u32 enc_timestamp[32];
|
||||
u32 enc_timestamp_len;
|
||||
|
||||
} krb5pa_17_t;
|
||||
|
||||
typedef struct krb5pa_17_tmp
|
||||
{
|
||||
u32 ipad[5];
|
||||
u32 opad[5];
|
||||
u32 dgst[10];
|
||||
u32 out[10];
|
||||
|
||||
} krb5pa_17_tmp_t;
|
||||
|
||||
static const char *SIGNATURE_KRB5PA = "$krb5pa$17$";
|
||||
|
||||
u64 module_tmp_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
|
||||
{
|
||||
const u64 tmp_size = (const u64) sizeof (krb5pa_17_tmp_t);
|
||||
|
||||
return tmp_size;
|
||||
}
|
||||
|
||||
u64 module_esalt_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
|
||||
{
|
||||
const u64 esalt_size = (const u64) sizeof (krb5pa_17_t);
|
||||
|
||||
return esalt_size;
|
||||
}
|
||||
|
||||
int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
|
||||
{
|
||||
u32 *digest = (u32 *) digest_buf;
|
||||
|
||||
krb5pa_17_t *krb5pa = (krb5pa_17_t *) esalt_buf;
|
||||
|
||||
token_t token;
|
||||
|
||||
token.signatures_cnt = 1;
|
||||
token.signatures_buf[0] = SIGNATURE_KRB5PA;
|
||||
|
||||
token.len[0] = 11;
|
||||
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
|
||||
| TOKEN_ATTR_VERIFY_SIGNATURE;
|
||||
|
||||
/**
|
||||
* $krb5pa$17$*user*realm*$enc_timestamp+checksum
|
||||
*/
|
||||
|
||||
// assume no signature found
|
||||
if (line_len < 11) return (PARSER_SALT_LENGTH);
|
||||
|
||||
// assume $krb5pa$17$user$realm$enc_timestamp+checksum
|
||||
token.token_cnt = 4;
|
||||
|
||||
token.sep[1] = '$';
|
||||
token.len_min[1] = 1;
|
||||
token.len_max[1] = 512;
|
||||
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH;
|
||||
|
||||
token.sep[2] = '$';
|
||||
token.len_min[2] = 1;
|
||||
token.len_max[2] = 512;
|
||||
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH;
|
||||
|
||||
token.sep[3] = '$';
|
||||
token.len_min[3] = 104;
|
||||
token.len_max[3] = 112;
|
||||
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
|
||||
| TOKEN_ATTR_VERIFY_HEX;
|
||||
|
||||
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
|
||||
|
||||
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
|
||||
|
||||
const u8 *user_pos;
|
||||
const u8 *domain_pos;
|
||||
const u8 *data_pos;
|
||||
const u8 *checksum_pos;
|
||||
|
||||
int user_len;
|
||||
int domain_len;
|
||||
int data_len;
|
||||
int account_info_len;
|
||||
|
||||
user_pos = token.buf[1];
|
||||
user_len = token.len[1];
|
||||
|
||||
memcpy(krb5pa->user, user_pos, user_len);
|
||||
|
||||
domain_pos = token.buf[2];
|
||||
domain_len = token.len[2];
|
||||
|
||||
memcpy(krb5pa->domain, domain_pos, domain_len);
|
||||
|
||||
data_pos = token.buf[3];
|
||||
data_len = token.len[3];
|
||||
|
||||
account_info_len = token.len[2] + token.len[1];
|
||||
|
||||
u8 *account_info_ptr = (u8 *) krb5pa->account_info;
|
||||
|
||||
// domain must be uppercase
|
||||
u8 domain[128];
|
||||
memcpy(domain, domain_pos, domain_len);
|
||||
uppercase(domain, domain_len);
|
||||
|
||||
memcpy(account_info_ptr, domain, domain_len);
|
||||
memcpy(account_info_ptr + domain_len, user_pos, user_len);
|
||||
|
||||
krb5pa->account_info_len = account_info_len;
|
||||
|
||||
// Split checksum
|
||||
checksum_pos = data_pos + data_len - 24;
|
||||
data_len = data_len - 24;
|
||||
|
||||
// hmac-sha1 is reduced to 12 bytes
|
||||
krb5pa->checksum[0] = byte_swap_32 (hex_to_u32 (checksum_pos + 0));
|
||||
krb5pa->checksum[1] = byte_swap_32 (hex_to_u32 (checksum_pos + 8));
|
||||
krb5pa->checksum[2] = byte_swap_32 (hex_to_u32 (checksum_pos + 16));
|
||||
|
||||
u8 *edata_ptr = (u8 *) krb5pa->enc_timestamp;
|
||||
|
||||
for (int i = 0; i < data_len; i += 2)
|
||||
{
|
||||
const u8 p0 = data_pos[i + 0];
|
||||
const u8 p1 = data_pos[i + 1];
|
||||
|
||||
*edata_ptr++ = hex_convert (p1) << 0
|
||||
| hex_convert (p0) << 4;
|
||||
}
|
||||
|
||||
krb5pa->enc_timestamp_len = data_len / 2;
|
||||
|
||||
salt->salt_buf[0] = krb5pa->checksum[0];
|
||||
salt->salt_buf[1] = krb5pa->checksum[1];
|
||||
salt->salt_buf[2] = krb5pa->checksum[2];
|
||||
|
||||
salt->salt_iter = 4096 - 1;
|
||||
|
||||
digest[0] = krb5pa->checksum[0];
|
||||
digest[1] = krb5pa->checksum[1];
|
||||
digest[2] = krb5pa->checksum[2];
|
||||
digest[3] = 0;
|
||||
|
||||
return (PARSER_OK);
|
||||
}
|
||||
|
||||
int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const void *hook_salt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
|
||||
{
|
||||
const krb5pa_17_t *krb5pa = (const krb5pa_17_t *) esalt_buf;
|
||||
|
||||
char data[32 * 4 * 2] = { 0 };
|
||||
|
||||
for (u32 i = 0, j = 0; i < krb5pa->enc_timestamp_len; i += 1, j += 2)
|
||||
{
|
||||
u8 *ptr_enc_timestamp = (u8 *) krb5pa->enc_timestamp;
|
||||
|
||||
sprintf (data + j, "%02x", ptr_enc_timestamp[i]);
|
||||
}
|
||||
|
||||
const int line_len = snprintf (line_buf, line_size, "%s%s$%s$%s%08x%08x%08x",
|
||||
SIGNATURE_KRB5PA,
|
||||
(char *) krb5pa->user,
|
||||
(char *) krb5pa->domain,
|
||||
data,
|
||||
krb5pa->checksum[0],
|
||||
krb5pa->checksum[1],
|
||||
krb5pa->checksum[2]);
|
||||
|
||||
return line_len;
|
||||
}
|
||||
|
||||
void module_init (module_ctx_t *module_ctx)
|
||||
{
|
||||
module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
|
||||
module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
|
||||
|
||||
module_ctx->module_attack_exec = module_attack_exec;
|
||||
module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
|
||||
module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
|
||||
module_ctx->module_benchmark_mask = MODULE_DEFAULT;
|
||||
module_ctx->module_benchmark_salt = MODULE_DEFAULT;
|
||||
module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
|
||||
module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
|
||||
module_ctx->module_dgst_pos0 = module_dgst_pos0;
|
||||
module_ctx->module_dgst_pos1 = module_dgst_pos1;
|
||||
module_ctx->module_dgst_pos2 = module_dgst_pos2;
|
||||
module_ctx->module_dgst_pos3 = module_dgst_pos3;
|
||||
module_ctx->module_dgst_size = module_dgst_size;
|
||||
module_ctx->module_dictstat_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_esalt_size = module_esalt_size;
|
||||
module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
|
||||
module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
|
||||
module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_count = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_save = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode_potfile = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode = module_hash_decode;
|
||||
module_ctx->module_hash_encode_status = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_encode_potfile = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_encode = module_hash_encode;
|
||||
module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_mode = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_category = module_hash_category;
|
||||
module_ctx->module_hash_name = module_hash_name;
|
||||
module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_hook12 = MODULE_DEFAULT;
|
||||
module_ctx->module_hook23 = MODULE_DEFAULT;
|
||||
module_ctx->module_hook_salt_size = MODULE_DEFAULT;
|
||||
module_ctx->module_hook_size = MODULE_DEFAULT;
|
||||
module_ctx->module_jit_build_options = MODULE_DEFAULT;
|
||||
module_ctx->module_jit_cache_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kern_type = module_kern_type;
|
||||
module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
|
||||
module_ctx->module_opti_type = module_opti_type;
|
||||
module_ctx->module_opts_type = module_opts_type;
|
||||
module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_custom_check = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
|
||||
module_ctx->module_pwdump_column = MODULE_DEFAULT;
|
||||
module_ctx->module_pw_max = MODULE_DEFAULT;
|
||||
module_ctx->module_pw_min = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_max = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_min = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_type = module_salt_type;
|
||||
module_ctx->module_separator = MODULE_DEFAULT;
|
||||
module_ctx->module_st_hash = module_st_hash;
|
||||
module_ctx->module_st_pass = module_st_pass;
|
||||
module_ctx->module_tmp_size = module_tmp_size;
|
||||
module_ctx->module_unstable_warning = MODULE_DEFAULT;
|
||||
module_ctx->module_warmup_disable = MODULE_DEFAULT;
|
||||
}
|
||||
295
src/modules/module_19900.c
Normal file
295
src/modules/module_19900.c
Normal file
@ -0,0 +1,295 @@
|
||||
/**
|
||||
* Author......: See docs/credits.txt
|
||||
* License.....: MIT
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
#include "types.h"
|
||||
#include "modules.h"
|
||||
#include "bitops.h"
|
||||
#include "convert.h"
|
||||
#include "shared.h"
|
||||
|
||||
static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL;
|
||||
static const u32 DGST_POS0 = 0;
|
||||
static const u32 DGST_POS1 = 1;
|
||||
static const u32 DGST_POS2 = 2;
|
||||
static const u32 DGST_POS3 = 3;
|
||||
static const u32 DGST_SIZE = DGST_SIZE_4_4;
|
||||
static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
|
||||
static const char *HASH_NAME = "Kerberos 5 Pre-Auth etype 18 (AES256-CTS-HMAC-SHA1-96)";
|
||||
static const u64 KERN_TYPE = 19900;
|
||||
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
|
||||
| OPTI_TYPE_NOT_ITERATED
|
||||
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
|
||||
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE;
|
||||
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
|
||||
static const char *ST_PASS = "hashcat";
|
||||
static const char *ST_HASH = "$krb5pa$18$hashcat$HASHCATDOMAIN.COM$96c289009b05181bfd32062962740b1b1ce5f74eb12e0266cde74e81094661addab08c0c1a178882c91a0ed89ae4e0e68d2820b9cce69770";
|
||||
|
||||
u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
|
||||
u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
|
||||
u32 module_dgst_pos1 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1; }
|
||||
u32 module_dgst_pos2 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2; }
|
||||
u32 module_dgst_pos3 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3; }
|
||||
u32 module_dgst_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE; }
|
||||
u32 module_hash_category (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY; }
|
||||
const char *module_hash_name (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME; }
|
||||
u64 module_kern_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE; }
|
||||
u32 module_opti_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE; }
|
||||
u64 module_opts_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE; }
|
||||
u32 module_salt_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE; }
|
||||
const char *module_st_hash (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH; }
|
||||
const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS; }
|
||||
|
||||
typedef struct krb5pa_18
|
||||
{
|
||||
u32 user[128];
|
||||
u32 domain[128];
|
||||
u32 account_info[512];
|
||||
u32 account_info_len;
|
||||
|
||||
u32 checksum[3];
|
||||
u32 enc_timestamp[32];
|
||||
u32 enc_timestamp_len;
|
||||
|
||||
} krb5pa_18_t;
|
||||
|
||||
typedef struct krb5pa_18_tmp
|
||||
{
|
||||
u32 ipad[5];
|
||||
u32 opad[5];
|
||||
u32 dgst[16];
|
||||
u32 out[16];
|
||||
|
||||
} krb5pa_18_tmp_t;
|
||||
|
||||
static const char *SIGNATURE_KRB5PA = "$krb5pa$18$";
|
||||
|
||||
u64 module_tmp_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
|
||||
{
|
||||
const u64 tmp_size = (const u64) sizeof (krb5pa_18_tmp_t);
|
||||
|
||||
return tmp_size;
|
||||
}
|
||||
|
||||
u64 module_esalt_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
|
||||
{
|
||||
const u64 esalt_size = (const u64) sizeof (krb5pa_18_t);
|
||||
|
||||
return esalt_size;
|
||||
}
|
||||
|
||||
int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
|
||||
{
|
||||
u32 *digest = (u32 *) digest_buf;
|
||||
|
||||
krb5pa_18_t *krb5pa = (krb5pa_18_t *) esalt_buf;
|
||||
|
||||
token_t token;
|
||||
|
||||
token.signatures_cnt = 1;
|
||||
token.signatures_buf[0] = SIGNATURE_KRB5PA;
|
||||
|
||||
token.len[0] = 11;
|
||||
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
|
||||
| TOKEN_ATTR_VERIFY_SIGNATURE;
|
||||
|
||||
/**
|
||||
* $krb5pa$18$*user*realm*$enc_timestamp+checksum
|
||||
*/
|
||||
|
||||
// assume no signature found
|
||||
if (line_len < 11) return (PARSER_SALT_LENGTH);
|
||||
|
||||
// assume $krb5pa$18$user$realm$enc_timestamp+checksum
|
||||
token.token_cnt = 4;
|
||||
|
||||
token.sep[1] = '$';
|
||||
token.len_min[1] = 1;
|
||||
token.len_max[1] = 512;
|
||||
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH;
|
||||
|
||||
token.sep[2] = '$';
|
||||
token.len_min[2] = 1;
|
||||
token.len_max[2] = 512;
|
||||
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH;
|
||||
|
||||
token.sep[3] = '$';
|
||||
token.len_min[3] = 104;
|
||||
token.len_max[3] = 112;
|
||||
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
|
||||
| TOKEN_ATTR_VERIFY_HEX;
|
||||
|
||||
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
|
||||
|
||||
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
|
||||
|
||||
const u8 *user_pos;
|
||||
const u8 *domain_pos;
|
||||
const u8 *data_pos;
|
||||
const u8 *checksum_pos;
|
||||
|
||||
int user_len;
|
||||
int domain_len;
|
||||
int data_len;
|
||||
int account_info_len;
|
||||
|
||||
user_pos = token.buf[1];
|
||||
user_len = token.len[1];
|
||||
|
||||
memcpy(krb5pa->user, user_pos, user_len);
|
||||
|
||||
domain_pos = token.buf[2];
|
||||
domain_len = token.len[2];
|
||||
|
||||
memcpy(krb5pa->domain, domain_pos, domain_len);
|
||||
|
||||
data_pos = token.buf[3];
|
||||
data_len = token.len[3];
|
||||
|
||||
account_info_len = token.len[2] + token.len[1];
|
||||
|
||||
u8 *account_info_ptr = (u8 *) krb5pa->account_info;
|
||||
|
||||
// domain must be uppercase
|
||||
u8 domain[128];
|
||||
memcpy(domain, domain_pos, domain_len);
|
||||
uppercase(domain, domain_len);
|
||||
|
||||
memcpy(account_info_ptr, domain, domain_len);
|
||||
memcpy(account_info_ptr + domain_len, user_pos, user_len);
|
||||
|
||||
krb5pa->account_info_len = account_info_len;
|
||||
|
||||
// Split checksum
|
||||
checksum_pos = data_pos + data_len - 24;
|
||||
data_len = data_len - 24;
|
||||
|
||||
// hmac-sha1 is reduced to 12 bytes
|
||||
krb5pa->checksum[0] = byte_swap_32 (hex_to_u32 (checksum_pos + 0));
|
||||
krb5pa->checksum[1] = byte_swap_32 (hex_to_u32 (checksum_pos + 8));
|
||||
krb5pa->checksum[2] = byte_swap_32 (hex_to_u32 (checksum_pos + 16));
|
||||
|
||||
u8 *edata_ptr = (u8 *) krb5pa->enc_timestamp;
|
||||
|
||||
for (int i = 0; i < data_len; i += 2)
|
||||
{
|
||||
const u8 p0 = data_pos[i + 0];
|
||||
const u8 p1 = data_pos[i + 1];
|
||||
|
||||
*edata_ptr++ = hex_convert (p1) << 0
|
||||
| hex_convert (p0) << 4;
|
||||
}
|
||||
|
||||
krb5pa->enc_timestamp_len = data_len / 2;
|
||||
|
||||
salt->salt_buf[0] = krb5pa->checksum[0];
|
||||
salt->salt_buf[1] = krb5pa->checksum[1];
|
||||
salt->salt_buf[2] = krb5pa->checksum[2];
|
||||
|
||||
salt->salt_iter = 4096 - 1;
|
||||
|
||||
digest[0] = krb5pa->checksum[0];
|
||||
digest[1] = krb5pa->checksum[1];
|
||||
digest[2] = krb5pa->checksum[2];
|
||||
digest[3] = 0;
|
||||
|
||||
return (PARSER_OK);
|
||||
}
|
||||
|
||||
int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const void *hook_salt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
|
||||
{
|
||||
const krb5pa_18_t *krb5pa = (const krb5pa_18_t *) esalt_buf;
|
||||
|
||||
char data[32 * 4 * 2] = { 0 };
|
||||
|
||||
for (u32 i = 0, j = 0; i < krb5pa->enc_timestamp_len; i += 1, j += 2)
|
||||
{
|
||||
u8 *ptr_enc_timestamp = (u8 *) krb5pa->enc_timestamp;
|
||||
|
||||
sprintf (data + j, "%02x", ptr_enc_timestamp[i]);
|
||||
}
|
||||
|
||||
const int line_len = snprintf (line_buf, line_size, "%s%s$%s$%s%08x%08x%08x",
|
||||
SIGNATURE_KRB5PA,
|
||||
(char *) krb5pa->user,
|
||||
(char *) krb5pa->domain,
|
||||
data,
|
||||
krb5pa->checksum[0],
|
||||
krb5pa->checksum[1],
|
||||
krb5pa->checksum[2]);
|
||||
|
||||
return line_len;
|
||||
}
|
||||
|
||||
void module_init (module_ctx_t *module_ctx)
|
||||
{
|
||||
module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
|
||||
module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
|
||||
|
||||
module_ctx->module_attack_exec = module_attack_exec;
|
||||
module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
|
||||
module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
|
||||
module_ctx->module_benchmark_mask = MODULE_DEFAULT;
|
||||
module_ctx->module_benchmark_salt = MODULE_DEFAULT;
|
||||
module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
|
||||
module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
|
||||
module_ctx->module_dgst_pos0 = module_dgst_pos0;
|
||||
module_ctx->module_dgst_pos1 = module_dgst_pos1;
|
||||
module_ctx->module_dgst_pos2 = module_dgst_pos2;
|
||||
module_ctx->module_dgst_pos3 = module_dgst_pos3;
|
||||
module_ctx->module_dgst_size = module_dgst_size;
|
||||
module_ctx->module_dictstat_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_esalt_size = module_esalt_size;
|
||||
module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
|
||||
module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
|
||||
module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_count = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_save = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode_potfile = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode = module_hash_decode;
|
||||
module_ctx->module_hash_encode_status = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_encode_potfile = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_encode = module_hash_encode;
|
||||
module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_mode = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_category = module_hash_category;
|
||||
module_ctx->module_hash_name = module_hash_name;
|
||||
module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_hook12 = MODULE_DEFAULT;
|
||||
module_ctx->module_hook23 = MODULE_DEFAULT;
|
||||
module_ctx->module_hook_salt_size = MODULE_DEFAULT;
|
||||
module_ctx->module_hook_size = MODULE_DEFAULT;
|
||||
module_ctx->module_jit_build_options = MODULE_DEFAULT;
|
||||
module_ctx->module_jit_cache_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kern_type = module_kern_type;
|
||||
module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
|
||||
module_ctx->module_opti_type = module_opti_type;
|
||||
module_ctx->module_opts_type = module_opts_type;
|
||||
module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_custom_check = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
|
||||
module_ctx->module_pwdump_column = MODULE_DEFAULT;
|
||||
module_ctx->module_pw_max = MODULE_DEFAULT;
|
||||
module_ctx->module_pw_min = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_max = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_min = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_type = module_salt_type;
|
||||
module_ctx->module_separator = MODULE_DEFAULT;
|
||||
module_ctx->module_st_hash = module_st_hash;
|
||||
module_ctx->module_st_pass = module_st_pass;
|
||||
module_ctx->module_tmp_size = module_tmp_size;
|
||||
module_ctx->module_unstable_warning = MODULE_DEFAULT;
|
||||
module_ctx->module_warmup_disable = MODULE_DEFAULT;
|
||||
}
|
||||
205
tools/test_modules/m19800.pm
Normal file
205
tools/test_modules/m19800.pm
Normal file
@ -0,0 +1,205 @@
|
||||
#!/usr/bin/env perl
|
||||
|
||||
##
|
||||
## Author......: See docs/credits.txt
|
||||
## License.....: MIT
|
||||
##
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
|
||||
use Digest::SHA qw (hmac_sha1);
|
||||
use Crypt::Mode::CBC;
|
||||
use Crypt::PBKDF2;
|
||||
use Encode;
|
||||
use POSIX qw (strftime);
|
||||
|
||||
sub byte2hex
|
||||
{
|
||||
my $input = shift;
|
||||
return unpack ("H*", $input);
|
||||
}
|
||||
|
||||
sub hex2byte
|
||||
{
|
||||
my $input = shift;
|
||||
return pack ("H*", $input);
|
||||
}
|
||||
|
||||
sub pad
|
||||
{
|
||||
my $n = shift;
|
||||
my $size = shift;
|
||||
|
||||
return (~$n + 1) & ($size - 1);
|
||||
}
|
||||
|
||||
sub module_constraints { [[0, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
||||
|
||||
sub module_generate_hash
|
||||
{
|
||||
my $word = shift;
|
||||
my $salt = shift;
|
||||
my $user = shift // "user";
|
||||
my $realm = shift // "realm";
|
||||
my $checksum = shift;
|
||||
my $enc_timestamp = shift;
|
||||
|
||||
my $mysalt = uc $realm;
|
||||
$mysalt = $mysalt . $user;
|
||||
|
||||
# first we generate the 'seed'
|
||||
my $iter = 4096;
|
||||
my $pbkdf2 = Crypt::PBKDF2->new
|
||||
(
|
||||
hash_class => 'HMACSHA1',
|
||||
iterations => $iter,
|
||||
output_len => 16
|
||||
);
|
||||
|
||||
my $b_seed = $pbkdf2->PBKDF2 ($mysalt, $word);
|
||||
|
||||
# we can precompute this
|
||||
my $b_kerberos_nfolded = hex2byte('6b65726265726f737b9b5b2b93132b93');
|
||||
|
||||
my $b_iv = hex2byte('0' x 32);
|
||||
|
||||
# 'key_bytes' will be the AES key used to generate 'ki' (for final hmac-sha1)
|
||||
# and 'ke' (AES key to decrypt/encrypt the ticket)
|
||||
my $cbc = Crypt::Mode::CBC->new ('AES', 0);
|
||||
my $b_key_bytes = $cbc->encrypt ($b_kerberos_nfolded, $b_seed, $b_iv);
|
||||
|
||||
# precomputed stuff
|
||||
# nfold 0x0000000155 to 16 bytes
|
||||
my $b_nfolded1 = hex2byte('5b582c160a5aa80556ab55aad5402ab5');
|
||||
|
||||
# nfold 0x00000001aa to 16 bytes
|
||||
my $b_nfolded2 = hex2byte('ae2c160b04ad5006ab55aad56a80355a');
|
||||
|
||||
my $b_ki = $cbc->encrypt ($b_nfolded1, $b_key_bytes, $b_iv);
|
||||
|
||||
|
||||
my $b_ke = $cbc->encrypt ($b_nfolded2, $b_key_bytes, $b_iv);
|
||||
|
||||
my $cleartext_ticket = '';
|
||||
my $check_correct = 0;
|
||||
|
||||
if (defined $enc_timestamp)
|
||||
{
|
||||
# Do CTS Decryption https://en.wikipedia.org/wiki/Ciphertext_stealing
|
||||
# Decrypt n-1 block
|
||||
my $len_last_block = length($enc_timestamp) % 32;
|
||||
|
||||
my $len_last_2_blocks = $len_last_block + 32;
|
||||
|
||||
my $b_n_1_block = hex2byte (substr($enc_timestamp, -$len_last_2_blocks, 32));
|
||||
|
||||
my $b_n_1_decrypted = $cbc->decrypt ($b_n_1_block, $b_ke, $b_iv);
|
||||
|
||||
# Pad the last block with last bytes from the decrypted n-1
|
||||
my $b_padded_enc_ticket = hex2byte($enc_timestamp).(substr $b_n_1_decrypted, -(16 - $len_last_block/2));
|
||||
|
||||
# Swap the last two blocks
|
||||
my $b_cbc_enc_ticket = (substr $b_padded_enc_ticket, 0, -32).(substr $b_padded_enc_ticket, -16, 16).
|
||||
(substr $b_padded_enc_ticket, -32, 16);
|
||||
|
||||
# Decrypt and truncate
|
||||
my $b_dec_ticket_padded = $cbc->decrypt ($b_cbc_enc_ticket, $b_ke, $b_iv);
|
||||
|
||||
my $b_cleartext_ticket = substr $b_dec_ticket_padded, 0, length($enc_timestamp)/2;
|
||||
|
||||
$cleartext_ticket = byte2hex($b_cleartext_ticket);
|
||||
|
||||
my $check_correct = ((substr ($b_cleartext_ticket, 22, 2) eq "20") &&
|
||||
(substr ($b_cleartext_ticket, 36, 1) eq "Z"));
|
||||
|
||||
if ($check_correct == 1 && defined $checksum)
|
||||
{
|
||||
my $b_checksum = hmac_sha1 (hex2byte($cleartext_ticket), $b_ki);
|
||||
|
||||
$check_correct = ($checksum eq byte2hex(substr $b_checksum, 0, 12));
|
||||
}
|
||||
}
|
||||
|
||||
if ($check_correct != 1)
|
||||
{
|
||||
# fake/wrong ticket (otherwise if we just decrypt/encrypt we end
|
||||
#up with false positives all the time)
|
||||
$cleartext_ticket = '68c8459f3f10c851b8827118bb459c6e301aa011180f323031'.
|
||||
'32313131363134323835355aa10502030c28a2';
|
||||
|
||||
# we have what is required to compute checksum
|
||||
$checksum = hmac_sha1 (hex2byte($cleartext_ticket), $b_ki);
|
||||
|
||||
$checksum = byte2hex(substr $checksum, 0, 12);
|
||||
}
|
||||
|
||||
# CTS Encrypt our new block
|
||||
my $len_cleartext_last_block = length($cleartext_ticket)%32;
|
||||
my $cleartext_last_block = substr $cleartext_ticket, -$len_cleartext_last_block;
|
||||
|
||||
my $padding = pad(length($cleartext_ticket), 32);
|
||||
|
||||
my $b_cleartext_last_block_padded = hex2byte($cleartext_last_block . '0' x $padding);
|
||||
|
||||
# we will encrypt until n-1 block (included)
|
||||
my $truncated_cleartext_ticket = substr $cleartext_ticket, 0, -$len_cleartext_last_block;
|
||||
|
||||
my $b_truncated_enc_ticket = $cbc->encrypt (hex2byte($truncated_cleartext_ticket), $b_ke, $b_iv);
|
||||
|
||||
my $b_enc_ticket_n_1_block= substr $b_truncated_enc_ticket, -16;
|
||||
|
||||
my $b_enc_last_block = substr $b_enc_ticket_n_1_block, 0, $len_cleartext_last_block/2;
|
||||
|
||||
# we now craft the new n-1 block
|
||||
my $tmp = $b_enc_ticket_n_1_block ^ $b_cleartext_last_block_padded;
|
||||
|
||||
$b_enc_ticket_n_1_block = $cbc->encrypt ($tmp, $b_ke, $b_iv);
|
||||
|
||||
$tmp = substr $b_truncated_enc_ticket, 0, -16;
|
||||
|
||||
$enc_timestamp = $tmp . $b_enc_ticket_n_1_block . $b_enc_last_block;
|
||||
|
||||
my $tmp_hash = sprintf ('$krb5pa$17$%s$%s$%s%s', $user, $realm, unpack ("H*", $enc_timestamp), $checksum);
|
||||
|
||||
return $tmp_hash;
|
||||
}
|
||||
|
||||
sub module_verify_hash
|
||||
{
|
||||
my $line = shift;
|
||||
|
||||
my ($hash, $word) = split (':', $line);
|
||||
|
||||
return unless defined $hash;
|
||||
return unless defined $word;
|
||||
|
||||
my @data = split ('\$', $hash);
|
||||
|
||||
return unless scalar @data == 6;
|
||||
|
||||
shift @data;
|
||||
|
||||
my $signature = shift @data;
|
||||
my $algorithm = shift @data;
|
||||
my $user = shift @data;
|
||||
my $realm = shift @data;
|
||||
my $edata = shift @data;
|
||||
|
||||
|
||||
return unless ($signature eq "krb5pa");
|
||||
return unless ($algorithm eq "17");
|
||||
return unless (length ($edata) >= 88);
|
||||
return unless (length ($edata) <= 112);
|
||||
|
||||
my $checksum = substr $edata, -24;
|
||||
my $enc_timestamp = substr $edata, 0, -24;
|
||||
|
||||
my $word_packed = pack_if_HEX_notation ($word);
|
||||
|
||||
my $new_hash = module_generate_hash ($word_packed, undef, $user, $realm, $checksum, $enc_timestamp);
|
||||
|
||||
return ($new_hash, $word);
|
||||
}
|
||||
|
||||
1;
|
||||
209
tools/test_modules/m19900.pm
Normal file
209
tools/test_modules/m19900.pm
Normal file
@ -0,0 +1,209 @@
|
||||
#!/usr/bin/env perl
|
||||
|
||||
##
|
||||
## Author......: See docs/credits.txt
|
||||
## License.....: MIT
|
||||
##
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
|
||||
use Digest::SHA qw (hmac_sha1);
|
||||
use Crypt::Mode::CBC;
|
||||
use Crypt::PBKDF2;
|
||||
use Encode;
|
||||
use POSIX qw (strftime);
|
||||
|
||||
sub byte2hex
|
||||
{
|
||||
my $input = shift;
|
||||
return unpack ("H*", $input);
|
||||
}
|
||||
|
||||
sub hex2byte
|
||||
{
|
||||
my $input = shift;
|
||||
return pack ("H*", $input);
|
||||
}
|
||||
|
||||
sub pad
|
||||
{
|
||||
my $n = shift;
|
||||
my $size = shift;
|
||||
|
||||
return (~$n + 1) & ($size - 1);
|
||||
}
|
||||
|
||||
sub module_constraints { [[0, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
||||
|
||||
sub module_generate_hash
|
||||
{
|
||||
my $word = shift;
|
||||
my $salt = shift;
|
||||
my $user = shift // "user";
|
||||
my $realm = shift // "realm";
|
||||
my $checksum = shift;
|
||||
my $enc_timestamp = shift;
|
||||
|
||||
my $mysalt = uc $realm;
|
||||
$mysalt = $mysalt . $user;
|
||||
|
||||
# first we generate the 'seed'
|
||||
my $iter = 4096;
|
||||
my $pbkdf2 = Crypt::PBKDF2->new
|
||||
(
|
||||
hash_class => 'HMACSHA1',
|
||||
iterations => $iter,
|
||||
output_len => 32
|
||||
);
|
||||
|
||||
my $b_seed = $pbkdf2->PBKDF2 ($mysalt, $word);
|
||||
|
||||
# we can precompute this
|
||||
my $b_kerberos_nfolded = hex2byte('6b65726265726f737b9b5b2b93132b93');
|
||||
|
||||
my $b_iv = hex2byte('0' x 32);
|
||||
|
||||
# 'key_bytes' will be the AES key used to generate 'ki' (for final hmac-sha1)
|
||||
# and 'ke' (AES key to decrypt/encrypt the ticket)
|
||||
my $cbc = Crypt::Mode::CBC->new ('AES', 0);
|
||||
my $b_key_bytes = $cbc->encrypt ($b_kerberos_nfolded, $b_seed, $b_iv);
|
||||
|
||||
$b_key_bytes = $b_key_bytes . $cbc->encrypt ($b_key_bytes, $b_seed, $b_iv);
|
||||
|
||||
# precomputed stuff
|
||||
# nfold 0x0000000155 to 16 bytes
|
||||
my $b_nfolded1 = hex2byte('5b582c160a5aa80556ab55aad5402ab5');
|
||||
|
||||
# nfold 0x00000001aa to 16 bytes
|
||||
my $b_nfolded2 = hex2byte('ae2c160b04ad5006ab55aad56a80355a');
|
||||
|
||||
my $b_ki = $cbc->encrypt ($b_nfolded1, $b_key_bytes, $b_iv);
|
||||
|
||||
$b_ki = $b_ki . $cbc->encrypt ($b_ki, $b_key_bytes, $b_iv);
|
||||
|
||||
my $b_ke = $cbc->encrypt ($b_nfolded2, $b_key_bytes, $b_iv);
|
||||
|
||||
$b_ke = $b_ke . $cbc->encrypt ($b_ke, $b_key_bytes, $b_iv);
|
||||
|
||||
my $cleartext_ticket = '';
|
||||
my $check_correct = 0;
|
||||
|
||||
if (defined $enc_timestamp)
|
||||
{
|
||||
# Do CTS Decryption https://en.wikipedia.org/wiki/Ciphertext_stealing
|
||||
# Decrypt n-1 block
|
||||
my $len_last_block = length($enc_timestamp) % 32;
|
||||
|
||||
my $len_last_2_blocks = $len_last_block + 32;
|
||||
|
||||
my $b_n_1_block = hex2byte (substr($enc_timestamp, -$len_last_2_blocks, 32));
|
||||
|
||||
my $b_n_1_decrypted = $cbc->decrypt ($b_n_1_block, $b_ke, $b_iv);
|
||||
|
||||
# Pad the last block with last bytes from the decrypted n-1
|
||||
my $b_padded_enc_ticket = hex2byte($enc_timestamp).(substr $b_n_1_decrypted, -(16 - $len_last_block/2));
|
||||
|
||||
# Swap the last two blocks
|
||||
my $b_cbc_enc_ticket = (substr $b_padded_enc_ticket, 0, -32).(substr $b_padded_enc_ticket, -16, 16).
|
||||
(substr $b_padded_enc_ticket, -32, 16);
|
||||
|
||||
# Decrypt and truncate
|
||||
my $b_dec_ticket_padded = $cbc->decrypt ($b_cbc_enc_ticket, $b_ke, $b_iv);
|
||||
|
||||
my $b_cleartext_ticket = substr $b_dec_ticket_padded, 0, length($enc_timestamp)/2;
|
||||
|
||||
$cleartext_ticket = byte2hex($b_cleartext_ticket);
|
||||
|
||||
my $check_correct = ((substr ($b_cleartext_ticket, 22, 2) eq "20") &&
|
||||
(substr ($b_cleartext_ticket, 36, 1) eq "Z"));
|
||||
|
||||
if ($check_correct == 1 && defined $checksum)
|
||||
{
|
||||
my $b_checksum = hmac_sha1 (hex2byte($cleartext_ticket), $b_ki);
|
||||
|
||||
$check_correct = ($checksum eq byte2hex(substr $b_checksum, 0, 12));
|
||||
}
|
||||
}
|
||||
|
||||
if ($check_correct != 1)
|
||||
{
|
||||
# fake/wrong ticket (otherwise if we just decrypt/encrypt we end
|
||||
#up with false positives all the time)
|
||||
$cleartext_ticket = '68c8459f3f10c851b8827118bb459c6e301aa011180f323031'.
|
||||
'32313131363134323835355aa10502030c28a2';
|
||||
|
||||
# we have what is required to compute checksum
|
||||
$checksum = hmac_sha1 (hex2byte($cleartext_ticket), $b_ki);
|
||||
|
||||
$checksum = byte2hex(substr $checksum, 0, 12);
|
||||
}
|
||||
|
||||
# CTS Encrypt our new block
|
||||
my $len_cleartext_last_block = length($cleartext_ticket)%32;
|
||||
my $cleartext_last_block = substr $cleartext_ticket, -$len_cleartext_last_block;
|
||||
|
||||
my $padding = pad(length($cleartext_ticket), 32);
|
||||
|
||||
my $b_cleartext_last_block_padded = hex2byte($cleartext_last_block . '0' x $padding);
|
||||
|
||||
# we will encrypt until n-1 block (included)
|
||||
my $truncated_cleartext_ticket = substr $cleartext_ticket, 0, -$len_cleartext_last_block;
|
||||
|
||||
my $b_truncated_enc_ticket = $cbc->encrypt (hex2byte($truncated_cleartext_ticket), $b_ke, $b_iv);
|
||||
|
||||
my $b_enc_ticket_n_1_block= substr $b_truncated_enc_ticket, -16;
|
||||
|
||||
my $b_enc_last_block = substr $b_enc_ticket_n_1_block, 0, $len_cleartext_last_block/2;
|
||||
|
||||
# we now craft the new n-1 block
|
||||
my $tmp = $b_enc_ticket_n_1_block ^ $b_cleartext_last_block_padded;
|
||||
|
||||
$b_enc_ticket_n_1_block = $cbc->encrypt ($tmp, $b_ke, $b_iv);
|
||||
|
||||
$tmp = substr $b_truncated_enc_ticket, 0, -16;
|
||||
|
||||
$enc_timestamp = $tmp . $b_enc_ticket_n_1_block . $b_enc_last_block;
|
||||
|
||||
my $tmp_hash = sprintf ('$krb5pa$18$%s$%s$%s%s', $user, $realm, unpack ("H*", $enc_timestamp), $checksum);
|
||||
|
||||
return $tmp_hash;
|
||||
}
|
||||
|
||||
sub module_verify_hash
|
||||
{
|
||||
my $line = shift;
|
||||
|
||||
my ($hash, $word) = split (':', $line);
|
||||
|
||||
return unless defined $hash;
|
||||
return unless defined $word;
|
||||
|
||||
my @data = split ('\$', $hash);
|
||||
|
||||
return unless scalar @data == 6;
|
||||
|
||||
shift @data;
|
||||
|
||||
my $signature = shift @data;
|
||||
my $algorithm = shift @data;
|
||||
my $user = shift @data;
|
||||
my $realm = shift @data;
|
||||
my $edata = shift @data;
|
||||
|
||||
return unless ($signature eq "krb5pa");
|
||||
return unless ($algorithm eq "18");
|
||||
return unless (length ($edata) >= 88);
|
||||
return unless (length ($edata) <= 112);
|
||||
|
||||
my $checksum = substr $edata, -24;
|
||||
my $enc_timestamp = substr $edata, 0, -24;
|
||||
|
||||
my $word_packed = pack_if_HEX_notation ($word);
|
||||
|
||||
my $new_hash = module_generate_hash ($word_packed, undef, $user, $realm, $checksum, $enc_timestamp);
|
||||
|
||||
return ($new_hash, $word);
|
||||
}
|
||||
|
||||
1;
|
||||
Loading…
Reference in New Issue
Block a user