Support for GPG keys with SHA-512 as s2k digest algorithm

pull/3510/head
Mr Dromedary 2 years ago
parent 66b22fa644
commit 1ed5d7d6d8

@ -0,0 +1,550 @@
/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
//#define NEW_SIMD_CODE
#ifdef KERNEL_STATIC
#include M2S(INCLUDE_PATH/inc_vendor.h)
#include M2S(INCLUDE_PATH/inc_types.h)
#include M2S(INCLUDE_PATH/inc_platform.cl)
#include M2S(INCLUDE_PATH/inc_common.cl)
#include M2S(INCLUDE_PATH/inc_hash_sha1.cl)
#include M2S(INCLUDE_PATH/inc_cipher_aes.cl)
#include M2S(INCLUDE_PATH/inc_hash_sha512.cl)
#endif
typedef struct gpg
{
u32 cipher_algo;
u32 iv[4];
u32 modulus_size;
u32 encrypted_data[384];
u32 encrypted_data_size;
} gpg_t;
typedef struct gpg_tmp
{
// buffer for a maximum of 256 + 8 octets, we extend it to 384 octets so it's always 128 byte aligned (1024 bits)
u32 salted_pw_block[96];
// actual number of bytes in 'salted_pwd' that are used since salt and password are copied multiple times into the buffer
u32 salted_pw_block_len;
u64 h[8];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
u32 w4[4];
u32 w5[4];
u32 w6[4];
u32 w7[4];
int len;
} gpg_tmp_t;
DECLSPEC u32 hc_bytealign_le_S (const u32 a, const u32 b, const int c)
{
const int c_mod_4 = c & 3;
#if ((defined IS_AMD || defined IS_HIP) && HAS_VPERM == 0) || defined IS_GENERIC
const u32 r = l32_from_64_S ((v64_from_v32ab_S (b, a) >> (c_mod_4 * 8)));
#endif
#if ((defined IS_AMD || defined IS_HIP) && HAS_VPERM == 1) || defined IS_NV
#if defined IS_NV
const int selector = (0x76543210 >> (c_mod_4 * 4)) & 0xffff;
#endif
#if (defined IS_AMD || defined IS_HIP)
const int selector = l32_from_64_S (0x0706050403020100UL >> (c_mod_4 * 8));
#endif
const u32 r = hc_byte_perm (b, a, selector);
#endif
return r;
}
DECLSPEC void memcat_le_S (PRIVATE_AS u32 *block, const u32 offset, PRIVATE_AS const u32 *append, u32 len)
{
const u32 start_index = (offset - 1) >> 2;
const u32 count = ((offset + len + 3) >> 2) - start_index;
const int off_mod_4 = offset & 3;
const int off_minus_4 = 4 - off_mod_4;
block[start_index] |= hc_bytealign_le_S (append[0], 0, off_minus_4);
for (u32 idx = 1; idx < count; idx++)
{
block[start_index + idx] = hc_bytealign_le_S (append[idx], append[idx - 1], off_minus_4);
}
}
DECLSPEC void memzero_le_S (PRIVATE_AS u32 *block, const u32 start_offset, const u32 end_offset)
{
const u32 start_idx = start_offset / 4;
// zero out bytes in the first u32 starting from 'start_offset'
// math is a bit complex to avoid shifting by 32 bits, which is not possible on some architectures
block[start_idx] &= ~(0xffffffff << ((start_offset & 3) * 8));
const u32 end_idx = (end_offset + 3) / 4;
// zero out bytes in u32 units -- note that the last u32 is completely zeroed!
for (u32 i = start_idx + 1; i < end_idx; i++)
{
block[i] = 0;
}
}
DECLSPEC void memzero_be_S (PRIVATE_AS u32 *block, const u32 start_offset, const u32 end_offset)
{
const u32 start_idx = start_offset / 4;
// zero out bytes in the first u32 starting from 'start_offset'
// math is a bit complex to avoid shifting by 32 bits, which is not possible on some architectures
block[start_idx] &= ~(0xffffffff >> ((start_offset & 3) * 8));
const u32 end_idx = (end_offset + 3) / 4;
// zero out bytes in u32 units -- note that the last u32 is completely zeroed!
for (u32 i = start_idx + 1; i < end_idx; i++)
{
block[i] = 0;
}
}
DECLSPEC void aes128_decrypt_cfb (GLOBAL_AS const u32 *encrypted_data, int data_len, PRIVATE_AS const u32 *iv, PRIVATE_AS const u32 *key, PRIVATE_AS u32 *decrypted_data,
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 ks[44];
u32 essiv[4];
// Copy the IV, since this will be modified
essiv[0] = iv[0];
essiv[1] = iv[1];
essiv[2] = iv[2];
essiv[3] = iv[3];
aes128_set_encrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3);
// Decrypt an AES-128 encrypted block
for (u32 i = 0; i < (data_len + 3) / 4; i += 4)
{
aes128_encrypt (ks, essiv, decrypted_data + i, s_te0, s_te1, s_te2, s_te3, s_te4);
decrypted_data[i + 0] ^= encrypted_data[i + 0];
decrypted_data[i + 1] ^= encrypted_data[i + 1];
decrypted_data[i + 2] ^= encrypted_data[i + 2];
decrypted_data[i + 3] ^= encrypted_data[i + 3];
// Note: Not necessary if you are only decrypting a single block!
essiv[0] = encrypted_data[i + 0];
essiv[1] = encrypted_data[i + 1];
essiv[2] = encrypted_data[i + 2];
essiv[3] = encrypted_data[i + 3];
}
}
DECLSPEC void aes256_decrypt_cfb (GLOBAL_AS const u32 *encrypted_data, int data_len, PRIVATE_AS const u32 *iv, PRIVATE_AS const u32 *key, PRIVATE_AS u32 *decrypted_data,
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 ks[60];
u32 essiv[4];
// Copy the IV, since this will be modified
essiv[0] = iv[0];
essiv[1] = iv[1];
essiv[2] = iv[2];
essiv[3] = iv[3];
aes256_set_encrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3);
// Decrypt an AES-256 encrypted block
for (u32 i = 0; i < (data_len + 3) / 4; i += 4)
{
aes256_encrypt (ks, essiv, decrypted_data + i, s_te0, s_te1, s_te2, s_te3, s_te4);
decrypted_data[i + 0] ^= encrypted_data[i + 0];
decrypted_data[i + 1] ^= encrypted_data[i + 1];
decrypted_data[i + 2] ^= encrypted_data[i + 2];
decrypted_data[i + 3] ^= encrypted_data[i + 3];
// Note: Not necessary if you are only decrypting a single block!
essiv[0] = encrypted_data[i + 0];
essiv[1] = encrypted_data[i + 1];
essiv[2] = encrypted_data[i + 2];
essiv[3] = encrypted_data[i + 3];
}
}
DECLSPEC int check_decoded_data (PRIVATE_AS u32 *decoded_data, const u32 decoded_data_size)
{
// Check the SHA-1 of the decrypted data which is stored at the end of the decrypted data
const u32 sha1_byte_off = (decoded_data_size - 20);
const u32 sha1_u32_off = sha1_byte_off / 4;
u32 expected_sha1[5];
expected_sha1[0] = hc_bytealign_le_S (decoded_data[sha1_u32_off + 1], decoded_data[sha1_u32_off + 0], sha1_byte_off);
expected_sha1[1] = hc_bytealign_le_S (decoded_data[sha1_u32_off + 2], decoded_data[sha1_u32_off + 1], sha1_byte_off);
expected_sha1[2] = hc_bytealign_le_S (decoded_data[sha1_u32_off + 3], decoded_data[sha1_u32_off + 2], sha1_byte_off);
expected_sha1[3] = hc_bytealign_le_S (decoded_data[sha1_u32_off + 4], decoded_data[sha1_u32_off + 3], sha1_byte_off);
expected_sha1[4] = hc_bytealign_le_S (decoded_data[sha1_u32_off + 5], decoded_data[sha1_u32_off + 4], sha1_byte_off);
memzero_le_S (decoded_data, sha1_byte_off, 384 * sizeof(u32));
sha1_ctx_t ctx;
sha1_init (&ctx);
sha1_update_swap (&ctx, decoded_data, sha1_byte_off);
sha1_final (&ctx);
return (expected_sha1[0] == hc_swap32_S (ctx.h[0]))
&& (expected_sha1[1] == hc_swap32_S (ctx.h[1]))
&& (expected_sha1[2] == hc_swap32_S (ctx.h[2]))
&& (expected_sha1[3] == hc_swap32_S (ctx.h[3]))
&& (expected_sha1[4] == hc_swap32_S (ctx.h[4]));
}
KERNEL_FQ void m17020_init (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t))
{
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) return;
const u32 pw_len = pws[gid].pw_len;
const u32 salted_pw_len = (salt_bufs[SALT_POS_HOST].salt_len + pw_len);
u32 salted_pw_block[96];
// concatenate salt and password -- the salt is always 8 bytes (2 * u32)
salted_pw_block[0] = salt_bufs[SALT_POS_HOST].salt_buf[0];
salted_pw_block[1] = salt_bufs[SALT_POS_HOST].salt_buf[1];
for (u32 idx = 0; idx < 64; idx++) salted_pw_block[idx + 2] = pws[gid].i[idx];
// zero remainder of buffer, the buffer will now be 96 words (3072 bits) containing:
// 0 - 1: salt
// 2 - 65: zero-padded password (max pwd len: 64 words = 256 bytes)
// 66 - 95: zeros
for (u32 idx = 66; idx < 96; idx++) salted_pw_block[idx] = 0;
// create a number of copies for efficiency
const u32 copies = 96 * sizeof(u32) / salted_pw_len;
for (u32 idx = 1; idx < copies; idx++)
{
memcat_le_S (salted_pw_block, idx * salted_pw_len, salted_pw_block, salted_pw_len);
}
for (u32 idx = 0; idx < 96; idx++)
{
tmps[gid].salted_pw_block[idx] = hc_swap32_S (salted_pw_block[idx]);
}
tmps[gid].salted_pw_block_len = (copies * salted_pw_len);
tmps[gid].h[ 0] = SHA512M_A;
tmps[gid].h[ 1] = SHA512M_B;
tmps[gid].h[ 2] = SHA512M_C;
tmps[gid].h[ 3] = SHA512M_D;
tmps[gid].h[ 4] = SHA512M_E;
tmps[gid].h[ 5] = SHA512M_F;
tmps[gid].h[ 6] = SHA512M_G;
tmps[gid].h[ 7] = SHA512M_H;
tmps[gid].h[ 8] = SHA512M_A;
tmps[gid].h[ 9] = SHA512M_B;
tmps[gid].h[10] = SHA512M_C;
tmps[gid].h[11] = SHA512M_D;
tmps[gid].h[12] = SHA512M_E;
tmps[gid].h[13] = SHA512M_F;
tmps[gid].h[14] = SHA512M_G;
tmps[gid].h[15] = SHA512M_H;
tmps[gid].len = 0;
}
KERNEL_FQ void m17020_loop_prepare (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t))
{
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) return;
tmps[gid].w0[0] = 0;
tmps[gid].w0[1] = 0;
tmps[gid].w0[2] = 0;
tmps[gid].w0[3] = 0;
tmps[gid].w1[0] = 0;
tmps[gid].w1[1] = 0;
tmps[gid].w1[2] = 0;
tmps[gid].w1[3] = 0;
tmps[gid].w2[0] = 0;
tmps[gid].w2[1] = 0;
tmps[gid].w2[2] = 0;
tmps[gid].w2[3] = 0;
tmps[gid].w3[0] = 0;
tmps[gid].w3[1] = 0;
tmps[gid].w3[2] = 0;
tmps[gid].w3[3] = 0;
tmps[gid].w4[0] = 0;
tmps[gid].w4[1] = 0;
tmps[gid].w4[2] = 0;
tmps[gid].w4[3] = 0;
tmps[gid].w5[0] = 0;
tmps[gid].w5[1] = 0;
tmps[gid].w5[2] = 0;
tmps[gid].w5[3] = 0;
tmps[gid].w6[0] = 0;
tmps[gid].w6[1] = 0;
tmps[gid].w6[2] = 0;
tmps[gid].w6[3] = 0;
tmps[gid].w7[0] = 0;
tmps[gid].w7[1] = 0;
tmps[gid].w7[2] = 0;
tmps[gid].w7[3] = 0;
tmps[gid].len = 0;
}
KERNEL_FQ void m17020_loop (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t))
{
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) return;
// get the prepared buffer from the gpg_tmp_t struct into a local buffer
u32 salted_pw_block[96];
for (int i = 0; i < 96; i++) salted_pw_block[i] = tmps[gid].salted_pw_block[i];
const u32 salted_pw_block_len = tmps[gid].salted_pw_block_len;
// do we really need this, since the salt is always length 8?
if (salted_pw_block_len == 0) return;
/**
* context load
*/
sha512_ctx_t ctx;
for (int i = 0; i < 8; i++) ctx.h[i] = tmps[gid].h[i];
for (int i = 0; i < 4; i++) ctx.w0[i] = tmps[gid].w0[i];
for (int i = 0; i < 4; i++) ctx.w1[i] = tmps[gid].w1[i];
for (int i = 0; i < 4; i++) ctx.w2[i] = tmps[gid].w2[i];
for (int i = 0; i < 4; i++) ctx.w3[i] = tmps[gid].w3[i];
for (int i = 0; i < 4; i++) ctx.w4[i] = tmps[gid].w4[i];
for (int i = 0; i < 4; i++) ctx.w5[i] = tmps[gid].w5[i];
for (int i = 0; i < 4; i++) ctx.w6[i] = tmps[gid].w6[i];
for (int i = 0; i < 4; i++) ctx.w7[i] = tmps[gid].w7[i];
ctx.len = tmps[gid].len;
// sha-512 of salt and password, up to 'salt_iter' bytes
const u32 salt_iter = salt_bufs[SALT_POS_HOST].salt_iter;
const u32 salted_pw_block_pos = LOOP_POS % salted_pw_block_len;
const u32 rounds = (LOOP_CNT + salted_pw_block_pos) / salted_pw_block_len;
for (u32 i = 0; i < rounds; i++)
{
sha512_update (&ctx, salted_pw_block, salted_pw_block_len);
}
if ((LOOP_POS + LOOP_CNT) == salt_iter)
{
const u32 remaining_bytes = salt_iter % salted_pw_block_len;
if (remaining_bytes)
{
memzero_be_S (salted_pw_block, remaining_bytes, salted_pw_block_len);
sha512_update (&ctx, salted_pw_block, remaining_bytes);
}
sha512_final (&ctx);
}
/**
* context save
*/
for (int i = 0; i < 8; i++) tmps[gid].h[i] = ctx.h[i];
for (int i = 0; i < 4; i++) tmps[gid].w0[i] = ctx.w0[i];
for (int i = 0; i < 4; i++) tmps[gid].w1[i] = ctx.w1[i];
for (int i = 0; i < 4; i++) tmps[gid].w2[i] = ctx.w2[i];
for (int i = 0; i < 4; i++) tmps[gid].w3[i] = ctx.w3[i];
for (int i = 0; i < 4; i++) tmps[gid].w4[i] = ctx.w4[i];
for (int i = 0; i < 4; i++) tmps[gid].w5[i] = ctx.w5[i];
for (int i = 0; i < 4; i++) tmps[gid].w6[i] = ctx.w6[i];
for (int i = 0; i < 4; i++) tmps[gid].w7[i] = ctx.w7[i];
tmps[gid].len = ctx.len;
}
KERNEL_FQ void m17020_comp (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t))
{
// not in use here, special case...
}
KERNEL_FQ void m17020_aux1 (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_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_CNT) return;
// retrieve and use the SHA-512 as the key for AES
u32 aes_key[4];
aes_key[0] = hc_swap32_S (h32_from_64 (tmps[gid].h[0]));
aes_key[1] = hc_swap32_S (l32_from_64 (tmps[gid].h[0]));
aes_key[2] = hc_swap32_S (h32_from_64 (tmps[gid].h[1]));
aes_key[3] = hc_swap32_S (l32_from_64 (tmps[gid].h[1]));
u32 iv[4] = {0};
for (int idx = 0; idx < 4; idx++) iv[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].iv[idx];
u32 decoded_data[384];
const u32 enc_data_size = esalt_bufs[DIGESTS_OFFSET_HOST].encrypted_data_size;
aes128_decrypt_cfb (esalt_bufs[DIGESTS_OFFSET_HOST].encrypted_data, enc_data_size, iv, aes_key, decoded_data, s_te0, s_te1, s_te2, s_te3, s_te4);
if (check_decoded_data (decoded_data, enc_data_size))
{
if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET_HOST]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, 0, DIGESTS_OFFSET_HOST + 0, gid, 0, 0, 0);
}
}
}
KERNEL_FQ void m17020_aux2 (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_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_CNT) return;
// retrieve and use the SHA-512 as the key for AES
u32 aes_key[8];
aes_key[0] = hc_swap32_S (h32_from_64 (tmps[gid].h[0]));
aes_key[1] = hc_swap32_S (l32_from_64 (tmps[gid].h[0]));
aes_key[2] = hc_swap32_S (h32_from_64 (tmps[gid].h[1]));
aes_key[3] = hc_swap32_S (l32_from_64 (tmps[gid].h[1]));
aes_key[4] = hc_swap32_S (h32_from_64 (tmps[gid].h[2]));
aes_key[5] = hc_swap32_S (l32_from_64 (tmps[gid].h[2]));
aes_key[6] = hc_swap32_S (h32_from_64 (tmps[gid].h[3]));
aes_key[7] = hc_swap32_S (l32_from_64 (tmps[gid].h[3]));
u32 iv[4] = {0};
for (int idx = 0; idx < 4; idx++) iv[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].iv[idx];
u32 decoded_data[384];
const u32 enc_data_size = esalt_bufs[DIGESTS_OFFSET_HOST].encrypted_data_size;
aes256_decrypt_cfb (esalt_bufs[DIGESTS_OFFSET_HOST].encrypted_data, enc_data_size, iv, aes_key, decoded_data, s_te0, s_te1, s_te2, s_te3, s_te4);
if (check_decoded_data (decoded_data, enc_data_size))
{
if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET_HOST]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, 0, DIGESTS_OFFSET_HOST + 0, gid, 0, 0, 0);
}
}
}

@ -0,0 +1,414 @@
/**
* 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_RAW_HASH;
static const char *HASH_NAME = "GPG (AES-128/AES-256 (SHA-512($pass)))";
static const u64 KERN_TYPE = 17020;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
| OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_LOOP_PREPARE
| OPTS_TYPE_AUX1
| OPTS_TYPE_AUX2
| OPTS_TYPE_DEEP_COMP_KERNEL;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$gpg$*1*668*2048*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*3*254*10*9*16*d1547688c9cc944482d16dff17df0858*20971520*1fef4e57e302d34e";
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 gpg
{
u32 cipher_algo;
u32 iv[4];
u32 modulus_size;
u32 encrypted_data[384];
u32 encrypted_data_size;
} gpg_t;
typedef struct gpg_tmp
{
u32 salted_pw_block[96];
u32 salted_pw_block_len;
u64 h[8];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
u32 w4[4];
u32 w5[4];
u32 w6[4];
u32 w7[4];
int len;
} gpg_tmp_t;
static const char *SIGNATURE_GPG = "$gpg$";
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 (gpg_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 (gpg_tmp_t);
return tmp_size;
}
bool module_hlfmt_disable (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 bool hlfmt_disable = true;
return hlfmt_disable;
}
u32 module_kernel_loops_min (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 u32 kernel_loops_min = 1024;
return kernel_loops_min;
}
u32 module_kernel_loops_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)
{
const u32 kernel_loops_max = 65536;
return kernel_loops_max;
}
u32 module_deep_comp_kernel (MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const u32 salt_pos, MAYBE_UNUSED const u32 digest_pos)
{
const u32 digests_offset = hashes->salts_buf[salt_pos].digests_offset;
gpg_t *gpgs = (gpg_t *) hashes->esalts_buf;
gpg_t *gpg = &gpgs[digests_offset + digest_pos];
if (gpg->cipher_algo == 7)
{
return KERN_RUN_AUX1;
}
else if (gpg->cipher_algo == 9)
{
return KERN_RUN_AUX2;
}
return 0;
}
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;
gpg_t *gpg = (gpg_t *) esalt_buf;
hc_token_t token;
token.token_cnt = 13;
// signature $gpg$
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_GPG;
// signature $gpg$
token.len_min[0] = 5;
token.len_max[0] = 5;
token.sep[0] = '*';
token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
// "1" -- unknown option
token.len_min[1] = 1;
token.len_max[1] = 1;
token.sep[1] = '*';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// size of the encrypted data in bytes
token.len_min[2] = 3;
token.len_max[2] = 4;
token.sep[2] = '*';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// size of the key: 1024, 2048, 4096, etc.
token.len_min[3] = 3;
token.len_max[3] = 4;
token.sep[3] = '*';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// encrypted key -- twice the amount of byte because its interpreted as characters
token.len_min[4] = 256;
token.len_max[4] = 3072;
token.sep[4] = '*';
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// "3" - String2Key parameter
token.len_min[5] = 1;
token.len_max[5] = 1;
token.sep[5] = '*';
token.attr[5] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// "254" - String2Key parameters
token.len_min[6] = 3;
token.len_max[6] = 3;
token.sep[6] = '*';
token.attr[6] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// "10" - String2Key parameters
token.len_min[7] = 2;
token.len_max[7] = 2;
token.sep[7] = '*';
token.attr[7] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// cipher mode: 7 or 9
token.len_min[8] = 1;
token.len_max[8] = 1;
token.sep[8] = '*';
token.attr[8] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// size of initial vector in bytes: 16
token.len_min[9] = 2;
token.len_max[9] = 2;
token.sep[9] = '*';
token.attr[9] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// initial vector - twice the amount of bytes because its interpreted as characters
token.len_min[10] = 32;
token.len_max[10] = 32;
token.sep[10] = '*';
token.attr[10] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// iteration count
token.len_min[11] = 1;
token.len_max[11] = 8;
token.sep[11] = '*';
token.attr[11] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// salt - 8 bytes / 16 characters
token.len_min[12] = 16;
token.len_max[12] = 16;
token.attr[12] = 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);
// Modulus size
const int modulus_size = hc_strtoul ((const char *) token.buf[3], NULL, 10);
if ((modulus_size < 256) || (modulus_size > 16384)) return (PARSER_SALT_LENGTH);
gpg->modulus_size = modulus_size;
// Encrypted data
const int enc_data_size = hc_strtoul ((const char *) token.buf[2], NULL, 10);
const int encrypted_data_size = hex_decode ((const u8 *) token.buf[4], token.len[4], (u8 *) gpg->encrypted_data);
if (enc_data_size != encrypted_data_size) return (PARSER_CT_LENGTH);
gpg->encrypted_data_size = encrypted_data_size;
// Check String2Key parameters
if (hc_strtoul ((const char *) token.buf[5], NULL, 10) != 3) return (PARSER_HASH_VALUE);
if (hc_strtoul ((const char *) token.buf[6], NULL, 10) != 254) return (PARSER_HASH_VALUE);
if (hc_strtoul ((const char *) token.buf[7], NULL, 10) != 10) return (PARSER_HASH_VALUE);
// Cipher algo
const int cipher_algo = hc_strtoul ((const char *) token.buf[8], NULL, 10);
if ((cipher_algo != 7) && (cipher_algo != 9)) return (PARSER_CIPHER);
gpg->cipher_algo = cipher_algo;
// IV (size)
if (hc_strtoul ((const char *) token.buf[9], NULL, 10) != sizeof (gpg->iv)) return (PARSER_IV_LENGTH);
const int iv_size = hex_decode ((const u8 *) token.buf[10], token.len[10], (u8 *) gpg->iv);
if (iv_size != sizeof (gpg->iv)) return (PARSER_IV_LENGTH);
// Salt Iter
const u32 salt_iter = hc_strtoul ((const char *) token.buf[11], NULL, 10);
if (salt_iter < 8 || salt_iter > 65011712) return (PARSER_SALT_ITERATION);
salt->salt_iter = salt_iter;
// Salt Value
salt->salt_len = hex_decode ((const u8 *) token.buf[12], token.len[12], (u8 *) salt->salt_buf);
if (salt->salt_len != 8) return (PARSER_SALT_LENGTH);
// hash fake
digest[0] = gpg->iv[0];
digest[1] = gpg->iv[1];
digest[2] = gpg->iv[2];
digest[3] = gpg->iv[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 gpg_t *gpg = (const gpg_t *) esalt_buf;
u8 encrypted_data[(384 * 8) + 1];
hex_encode ((const u8 *) gpg->encrypted_data, gpg->encrypted_data_size, (u8 *) encrypted_data);
const int line_len = snprintf (line_buf, line_size, "%s*%d*%d*%d*%s*%d*%d*%d*%d*%d*%08x%08x%08x%08x*%d*%08x%08x",
SIGNATURE_GPG,
1, /* unknown field */
gpg->encrypted_data_size,
gpg->modulus_size,
encrypted_data,
3, /* version (major?) */
254, /* version (minor?) */
10, /* key hash (sha-512) */
gpg->cipher_algo,
16, /*iv_size*/
byte_swap_32 (gpg->iv[0]),
byte_swap_32 (gpg->iv[1]),
byte_swap_32 (gpg->iv[2]),
byte_swap_32 (gpg->iv[3]),
salt->salt_iter,
byte_swap_32 (salt->salt_buf[0]),
byte_swap_32 (salt->salt_buf[1]));
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_deep_comp_kernel;
module_ctx->module_deprecated_notice = 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_extra_tuningdb_block = 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_postprocess = 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_hlfmt_disable;
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_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_kernel_loops_max;
module_ctx->module_kernel_loops_min = module_kernel_loops_min;
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;
}
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