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Merge pull request #2863 from matrix/metamask

Added hash-mode: MetaMask Wallet
This commit is contained in:
Jens Steube 2021-07-06 09:49:19 +02:00 committed by GitHub
commit 29c971187a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 884 additions and 5 deletions

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@ -196,15 +196,13 @@ DECLSPEC void AES_GCM_Prepare_J0 (const u32 *iv, int iv_len, const u32 *subkey,
} }
else else
{ {
AES_GCM_gf_mult (iv, subkey, J0); AES_GCM_ghash (subkey, iv, iv_len, J0);
u32 len_buf[4] = { 0 }; u32 len_buf[4] = { 0 };
len_buf[3] = iv_len * 8; len_buf[3] = iv_len * 8;
AES_GCM_xor_block (len_buf, J0); AES_GCM_ghash (subkey, len_buf, 16, J0);
AES_GCM_gf_mult (len_buf, subkey, J0);
} }
} }
@ -221,7 +219,7 @@ DECLSPEC void AES_GCM_gctr (const u32 *key, const u32 *iv, const u32 *in, int in
iv_buf[2] = iv[2]; iv_buf[2] = iv[2];
iv_buf[3] = iv[3]; iv_buf[3] = iv[3];
const int n = in_len / 16; const u32 n = in_len / 16;
for (u32 i = 0; i < n; i++) for (u32 i = 0; i < n; i++)
{ {

375
OpenCL/m26600-pure.cl Normal file
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@ -0,0 +1,375 @@
/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#define NEW_SIMD_CODE
#ifdef KERNEL_STATIC
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.cl"
#include "inc_common.cl"
#include "inc_simd.cl"
#include "inc_hash_sha256.cl"
#include "inc_cipher_aes.cl"
#include "inc_cipher_aes-gcm.cl"
#endif
#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "inc_comp_multi.cl"
typedef struct pbkdf2_sha256_tmp
{
u32 ipad[8];
u32 opad[8];
u32 dgst[32];
u32 out[32];
} pbkdf2_sha256_tmp_t;
typedef struct pbkdf2_sha256_aes_gcm
{
u32 salt_buf[64];
u32 iv_buf[4];
u32 iv_len;
u32 ct_buf[196];
u32 ct_len;
} pbkdf2_sha256_aes_gcm_t;
DECLSPEC void hmac_sha256_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];
digest[5] = ipad[5];
digest[6] = ipad[6];
digest[7] = ipad[7];
sha256_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] = digest[5];
w1[2] = digest[6];
w1[3] = digest[7];
w2[0] = 0x80000000;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (64 + 32) * 8;
digest[0] = opad[0];
digest[1] = opad[1];
digest[2] = opad[2];
digest[3] = opad[3];
digest[4] = opad[4];
digest[5] = opad[5];
digest[6] = opad[6];
digest[7] = opad[7];
sha256_transform_vector (w0, w1, w2, w3, digest);
}
KERNEL_FQ void m26600_init (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sha256_aes_gcm_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
sha256_hmac_ctx_t sha256_hmac_ctx;
sha256_hmac_init_global_swap (&sha256_hmac_ctx, pws[gid].i, pws[gid].pw_len);
tmps[gid].ipad[0] = sha256_hmac_ctx.ipad.h[0];
tmps[gid].ipad[1] = sha256_hmac_ctx.ipad.h[1];
tmps[gid].ipad[2] = sha256_hmac_ctx.ipad.h[2];
tmps[gid].ipad[3] = sha256_hmac_ctx.ipad.h[3];
tmps[gid].ipad[4] = sha256_hmac_ctx.ipad.h[4];
tmps[gid].ipad[5] = sha256_hmac_ctx.ipad.h[5];
tmps[gid].ipad[6] = sha256_hmac_ctx.ipad.h[6];
tmps[gid].ipad[7] = sha256_hmac_ctx.ipad.h[7];
tmps[gid].opad[0] = sha256_hmac_ctx.opad.h[0];
tmps[gid].opad[1] = sha256_hmac_ctx.opad.h[1];
tmps[gid].opad[2] = sha256_hmac_ctx.opad.h[2];
tmps[gid].opad[3] = sha256_hmac_ctx.opad.h[3];
tmps[gid].opad[4] = sha256_hmac_ctx.opad.h[4];
tmps[gid].opad[5] = sha256_hmac_ctx.opad.h[5];
tmps[gid].opad[6] = sha256_hmac_ctx.opad.h[6];
tmps[gid].opad[7] = sha256_hmac_ctx.opad.h[7];
sha256_hmac_update_global_swap (&sha256_hmac_ctx, esalt_bufs[DIGESTS_OFFSET].salt_buf, salt_bufs[SALT_POS].salt_len);
for (u32 i = 0, j = 1; i < 8; i += 8, j += 1)
{
sha256_hmac_ctx_t sha256_hmac_ctx2 = sha256_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;
sha256_hmac_update_64 (&sha256_hmac_ctx2, w0, w1, w2, w3, 4);
sha256_hmac_final (&sha256_hmac_ctx2);
tmps[gid].dgst[i + 0] = sha256_hmac_ctx2.opad.h[0];
tmps[gid].dgst[i + 1] = sha256_hmac_ctx2.opad.h[1];
tmps[gid].dgst[i + 2] = sha256_hmac_ctx2.opad.h[2];
tmps[gid].dgst[i + 3] = sha256_hmac_ctx2.opad.h[3];
tmps[gid].dgst[i + 4] = sha256_hmac_ctx2.opad.h[4];
tmps[gid].dgst[i + 5] = sha256_hmac_ctx2.opad.h[5];
tmps[gid].dgst[i + 6] = sha256_hmac_ctx2.opad.h[6];
tmps[gid].dgst[i + 7] = sha256_hmac_ctx2.opad.h[7];
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];
tmps[gid].out[i + 5] = tmps[gid].dgst[i + 5];
tmps[gid].out[i + 6] = tmps[gid].dgst[i + 6];
tmps[gid].out[i + 7] = tmps[gid].dgst[i + 7];
}
}
KERNEL_FQ void m26600_loop (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sha256_aes_gcm_t))
{
const u64 gid = get_global_id (0);
if ((gid * VECT_SIZE) >= gid_max) return;
u32x ipad[8];
u32x opad[8];
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);
ipad[5] = packv (tmps, ipad, gid, 5);
ipad[6] = packv (tmps, ipad, gid, 6);
ipad[7] = packv (tmps, ipad, gid, 7);
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);
opad[5] = packv (tmps, opad, gid, 5);
opad[6] = packv (tmps, opad, gid, 6);
opad[7] = packv (tmps, opad, gid, 7);
for (u32 i = 0; i < 8; i += 8)
{
u32x dgst[8];
u32x out[8];
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);
dgst[5] = packv (tmps, dgst, gid, i + 5);
dgst[6] = packv (tmps, dgst, gid, i + 6);
dgst[7] = packv (tmps, dgst, gid, i + 7);
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);
out[5] = packv (tmps, out, gid, i + 5);
out[6] = packv (tmps, out, gid, i + 6);
out[7] = packv (tmps, out, gid, i + 7);
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] = dgst[5];
w1[2] = dgst[6];
w1[3] = dgst[7];
w2[0] = 0x80000000;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (64 + 32) * 8;
hmac_sha256_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];
out[5] ^= dgst[5];
out[6] ^= dgst[6];
out[7] ^= dgst[7];
}
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, dgst, gid, i + 5, dgst[5]);
unpackv (tmps, dgst, gid, i + 6, dgst[6]);
unpackv (tmps, dgst, gid, i + 7, dgst[7]);
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]);
unpackv (tmps, out, gid, i + 5, out[5]);
unpackv (tmps, out, gid, i + 6, out[6]);
unpackv (tmps, out, gid, i + 7, out[7]);
}
}
KERNEL_FQ void m26600_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sha256_aes_gcm_t))
{
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_VK u32 s_te0[256];
LOCAL_VK u32 s_te1[256];
LOCAL_VK u32 s_te2[256];
LOCAL_VK u32 s_te3[256];
LOCAL_VK u32 s_te4[256];
for (u32 i = lid; i < 256; i += lsz)
{
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];
}
SYNC_THREADS ();
#else
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;
// keys
u32 ukey[8];
ukey[0] = tmps[gid].out[0];
ukey[1] = tmps[gid].out[1];
ukey[2] = tmps[gid].out[2];
ukey[3] = tmps[gid].out[3];
ukey[4] = tmps[gid].out[4];
ukey[5] = tmps[gid].out[5];
ukey[6] = tmps[gid].out[6];
ukey[7] = tmps[gid].out[7];
u32 key_len = 32 * 8;
u32 key[60] = { 0 };
u32 subKey[4] = { 0 };
AES_GCM_Init (ukey, key_len, key, subKey, s_te0, s_te1, s_te2, s_te3, s_te4);
// iv
const u32 iv[4] = {
esalt_bufs[DIGESTS_OFFSET].iv_buf[0],
esalt_bufs[DIGESTS_OFFSET].iv_buf[1],
esalt_bufs[DIGESTS_OFFSET].iv_buf[2],
esalt_bufs[DIGESTS_OFFSET].iv_buf[3]
};
const u32 iv_len = esalt_bufs[DIGESTS_OFFSET].iv_len;
u32 J0[4] = { 0 };
AES_GCM_Prepare_J0 (iv, iv_len, subKey, J0);
// ct
u32 T[4] = { 0 };
u32 S[4] = { 0 };
u32 S_len = 16;
u32 aad_buf[4] = { 0 };
u32 aad_len = 0;
AES_GCM_GHASH_GLOBAL (subKey, aad_buf, aad_len, esalt_bufs[DIGESTS_OFFSET].ct_buf, esalt_bufs[DIGESTS_OFFSET].ct_len, S);
AES_GCM_GCTR (key, J0, S, S_len, T, s_te0, s_te1, s_te2, s_te3, s_te4);
/* compare tag */
const u32 r0 = T[0];
const u32 r1 = T[1];
const u32 r2 = T[2];
const u32 r3 = T[3];
#define il_pos 0
#ifdef KERNEL_STATIC
#include COMPARE_M
#endif
}

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@ -11,6 +11,7 @@
- Added hash-mode: AES-192-ECB NOKDF (PT = $salt, key = $pass) - Added hash-mode: AES-192-ECB NOKDF (PT = $salt, key = $pass)
- Added hash-mode: AES-256-ECB NOKDF (PT = $salt, key = $pass) - Added hash-mode: AES-256-ECB NOKDF (PT = $salt, key = $pass)
- Added hash-mode: iPhone passcode (UID key + System Keybag) - Added hash-mode: iPhone passcode (UID key + System Keybag)
- Added hash-mode: MetaMask Wallet
## ##
## Bugs ## Bugs

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@ -386,6 +386,7 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
- Ethereum Pre-Sale Wallet, PBKDF2-HMAC-SHA256 - Ethereum Pre-Sale Wallet, PBKDF2-HMAC-SHA256
- Ethereum Wallet, PBKDF2-HMAC-SHA256 - Ethereum Wallet, PBKDF2-HMAC-SHA256
- Ethereum Wallet, SCRYPT - Ethereum Wallet, SCRYPT
- MetaMask Wallet
- MultiBit Classic .key (MD5) - MultiBit Classic .key (MD5)
- MultiBit HD (scrypt) - MultiBit HD (scrypt)

384
src/modules/module_26600.c Normal file
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@ -0,0 +1,384 @@
/**
* 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"
#include "memory.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_CRYPTOCURRENCY_WALLET;
static const char *HASH_NAME = "MetaMask Wallet";
static const u64 KERN_TYPE = 26600;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| 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 = "$metamask$AARgM5AgABE2eWgJcWAwQIAFmSYoASZVZBlAR4B0h2M=$8HrVMqsjfFTusMbegh+KWg==$7FPq7LjWe3t/TjDBtUwrJBpiG/Rdt+uf71dLCyUZd0pdtymBK6mSMZDyRfp/CzpjEPA1dU1BLDshcwM/1k6KdO//+mPWrgY4j49XTXIMnHNhJPfPv8s9rXiq8jLqetsStqtWmTZaD7fTtbzOYWR4gwQc98MxCnn/IrSnfCHungw1rLV5Xm0/hF7WfzFeEgcHknhJJP1xSeJCL9qI5DJ+lz7ksc0UVvHoiNJx8uvPBNkHpGQRNujwlnk=";
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 pbkdf2_sha256_tmp
{
u32 ipad[8];
u32 opad[8];
u32 dgst[32];
u32 out[32];
} pbkdf2_sha256_tmp_t;
typedef struct pbkdf2_sha256_aes_gcm
{
u32 salt_buf[64];
u32 iv_buf[4];
u32 iv_len;
u32 ct_buf[196];
u32 ct_len;
} pbkdf2_sha256_aes_gcm_t;
static const char *SIGNATURE_METAMASK_WALLET = "$metamask$";
char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
{
char *jit_build_options = NULL;
// Extra treatment for Apple systems
if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
{
return jit_build_options;
}
// ROCM
if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == true))
{
hc_asprintf (&jit_build_options, "-D _unroll");
}
return jit_build_options;
}
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 (pbkdf2_sha256_aes_gcm_t);
return esalt_size;
}
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 (pbkdf2_sha256_tmp_t);
return tmp_size;
}
u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
{
// this overrides the reductions of PW_MAX in case optimized kernel is selected
// IOW, even in optimized kernel mode it support length 256
const u32 pw_max = PW_MAX;
return pw_max;
}
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;
pbkdf2_sha256_aes_gcm_t *metamask = (pbkdf2_sha256_aes_gcm_t *) esalt_buf;
#define CT_MAX_LEN_BASE64 (((768+16) * 8) / 6) + 3
token_t token;
token.token_cnt = 4;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_METAMASK_WALLET;
token.len[0] = 10;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.sep[1] = '$';
token.len_min[1] = 44;
token.len_max[1] = 44;
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_BASE64A;
token.sep[2] = '$';
token.len_min[2] = 24;
token.len_max[2] = 24;
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_BASE64A;
token.sep[3] = '$';
token.len_min[3] = 64;
token.len_max[3] = CT_MAX_LEN_BASE64;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_BASE64A;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
u8 tmp_buf[CT_MAX_LEN_BASE64] = { 0 };
size_t tmp_len = 0;
// iter
salt->salt_iter = 10000 - 1;
// salt
const u8 *salt_pos = token.buf[1];
const int salt_len = token.len[1];
memset (tmp_buf, 0, sizeof (tmp_buf));
tmp_len = base64_decode (base64_to_int, salt_pos, salt_len, tmp_buf);
if (tmp_len != 32) return (PARSER_SALT_LENGTH);
memcpy (salt->salt_buf, tmp_buf, tmp_len);
salt->salt_len = tmp_len;
metamask->salt_buf[0] = salt->salt_buf[0];
metamask->salt_buf[1] = salt->salt_buf[1];
metamask->salt_buf[2] = salt->salt_buf[2];
metamask->salt_buf[3] = salt->salt_buf[3];
metamask->salt_buf[4] = salt->salt_buf[4];
metamask->salt_buf[5] = salt->salt_buf[5];
metamask->salt_buf[6] = salt->salt_buf[6];
metamask->salt_buf[7] = salt->salt_buf[7];
// iv
const u8 *iv_pos = token.buf[2];
const int iv_len = token.len[2];
memset (tmp_buf, 0, sizeof (tmp_buf));
tmp_len = base64_decode (base64_to_int, iv_pos, iv_len, tmp_buf);
if (tmp_len != 16) return (PARSER_IV_LENGTH);
memcpy ((u8 *) metamask->iv_buf, tmp_buf, tmp_len);
metamask->iv_buf[0] = byte_swap_32 (metamask->iv_buf[0]);
metamask->iv_buf[1] = byte_swap_32 (metamask->iv_buf[1]);
metamask->iv_buf[2] = byte_swap_32 (metamask->iv_buf[2]);
metamask->iv_buf[3] = byte_swap_32 (metamask->iv_buf[3]);
metamask->iv_len = tmp_len;
// ciphertext
const u8 *ct_pos = token.buf[3];
const int ct_len = token.len[3];
memset (tmp_buf, 0, sizeof (tmp_buf));
tmp_len = base64_decode (base64_to_int, ct_pos, ct_len, tmp_buf);
if (tmp_len <= 16) return (PARSER_CT_LENGTH);
tmp_len -= 16;
if (tmp_len < 30 || tmp_len > 768) return (PARSER_CT_LENGTH);
memcpy ((u8 *) metamask->ct_buf, tmp_buf, tmp_len);
u32 j = tmp_len / 4;
if ((tmp_len % 4) > 0) j++;
for (u32 i = 0; i < j; i++) metamask->ct_buf[i] = byte_swap_32 (metamask->ct_buf[i]);
metamask->ct_len = tmp_len;
// tag
u32 tag_buf[4] = { 0 };
memcpy ((u8 *) tag_buf, tmp_buf+metamask->ct_len, 16);
digest[0] = byte_swap_32 (tag_buf[0]);
digest[1] = byte_swap_32 (tag_buf[1]);
digest[2] = byte_swap_32 (tag_buf[2]);
digest[3] = byte_swap_32 (tag_buf[3]);
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 u32 *digest = (const u32 *) digest_buf;
pbkdf2_sha256_aes_gcm_t *metamask = (pbkdf2_sha256_aes_gcm_t *) esalt_buf;
// salt
#define SALT_LEN_BASE64 ((32 * 8) / 6) + 3
#define IV_LEN_BASE64 ((16 * 8) / 6) + 3
#define CT_MAX_LEN_BASE64 (((768+16) * 8) / 6) + 3
u8 salt_buf[SALT_LEN_BASE64] = { 0 };
base64_encode (int_to_base64, (const u8 *) salt->salt_buf, (const int) salt->salt_len, salt_buf);
// iv
u32 tmp_iv_buf[4] = { 0 };
tmp_iv_buf[0] = byte_swap_32 (metamask->iv_buf[0]);
tmp_iv_buf[1] = byte_swap_32 (metamask->iv_buf[1]);
tmp_iv_buf[2] = byte_swap_32 (metamask->iv_buf[2]);
tmp_iv_buf[3] = byte_swap_32 (metamask->iv_buf[3]);
u8 iv_buf[IV_LEN_BASE64+1] = { 0 };
base64_encode (int_to_base64, (const u8 *) tmp_iv_buf, (const int) metamask->iv_len, iv_buf);
// ct
u32 ct_len = metamask->ct_len;
u32 j = ct_len / 4;
if ((ct_len % 4) > 0) j++;
u32 tmp_buf[196] = { 0 };
for (u32 i = 0; i < j; i++) tmp_buf[i] = byte_swap_32 (metamask->ct_buf[i]);
u32 tmp_tag[4] = { 0 };
tmp_tag[0] = byte_swap_32 (digest[0]);
tmp_tag[1] = byte_swap_32 (digest[1]);
tmp_tag[2] = byte_swap_32 (digest[2]);
tmp_tag[3] = byte_swap_32 (digest[3]);
u8 *tmp_buf_str = (u8 *) tmp_buf;
u8 *tmp_tag_str = (u8 *) tmp_tag;
memcpy (tmp_buf_str+metamask->ct_len, tmp_tag_str, 16);
u8 ct_buf[CT_MAX_LEN_BASE64] = { 0 };
base64_encode (int_to_base64, (const u8 *) tmp_buf, (const int) metamask->ct_len+16, ct_buf);
u8 *out_buf = (u8 *) line_buf;
int out_len = snprintf ((char *) out_buf, line_size, "%s%s$%s$%s",
SIGNATURE_METAMASK_WALLET,
salt_buf,
iv_buf,
ct_buf);
return out_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_hashes_count_min = MODULE_DEFAULT;
module_ctx->module_hashes_count_max = MODULE_DEFAULT;
module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_size = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_init = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_term = 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_jit_build_options;
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_pw_max;
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;
}

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@ -0,0 +1,120 @@
#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::PBKDF2;
use Crypt::AuthEnc::GCM;
use MIME::Base64 qw (decode_base64 encode_base64);
sub module_constraints { [[0, 256], [64, 64], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iv = shift // random_hex_string (32);
my $ct = shift;
my $ct_min_len = 30;
my $ct_max_len = 768;
my $kdf = Crypt::PBKDF2->new
(
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
iterations => 10000,
output_len => 32
);
my $salt_bin = pack ("H*", $salt);
my $key = $kdf->PBKDF2 ($salt_bin, $word);
my $iv_bin = pack ("H*", $iv);
my $pt;
if (defined $ct)
{
my $ct_bin = pack ("H*", $ct);
my $data_bin = substr ($ct_bin, 0, -16);
my $tag_bin = substr ($ct_bin, -16);
my $aes = Crypt::AuthEnc::GCM->new ("AES", $key, $iv_bin);
$pt = $aes->decrypt_add ($data_bin);
my $result_tag = $aes->decrypt_done ($tag_bin);
if ($result_tag == 1)
{
## correct password
}
else
{
$pt = "\xff" x ($ct_min_len + int(rand($ct_max_len - $ct_min_len)) + 1);
}
}
else
{
$pt = "\xff" x ($ct_min_len + int(rand($ct_max_len - $ct_min_len)) + 1);
}
my $aes = Crypt::AuthEnc::GCM->new ("AES", $key, $iv_bin);
my $ct_bin = $aes->encrypt_add ($pt);
my $tag_bin = $aes->encrypt_done ();
my $hash = sprintf ('$metamask$%s$%s$%s', encode_base64 ($salt_bin, ""), encode_base64 ($iv_bin, ""), encode_base64 ($ct_bin . $tag_bin, ""));
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my $idx = index ($line, ':');
return unless $idx >= 0;
my $hash = substr ($line, 0, $idx);
my $word = substr ($line, $idx + 1);
return unless substr ($hash, 0, 10) eq '$metamask$';
my (undef, $signature, $salt, $iv, $ct) = split '\$', $hash;
return unless defined $signature;
return unless defined $salt;
return unless defined $iv;
return unless defined $ct;
my $salt_bin = decode_base64 ($salt);
my $iv_bin = decode_base64 ($iv);
my $ct_bin = decode_base64 ($ct);
return unless length $salt_bin == 32;
return unless length $iv_bin == 16;
my $ct_len = length ($ct_bin);
my $ct_min_len = 30;
my $ct_max_len = 768;
return unless ($ct_len >= $ct_min_len && $ct_len <= $ct_max_len);
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, unpack ("H*", $salt_bin), unpack ("H*", $iv_bin), unpack ("H*", $ct_bin));
return ($new_hash, $word);
}
1;