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hashcat/src/modules/module_17010.c

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/**
* Author......: Netherlands Forensic Institute
* 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-1($pass)))";
static const u64 KERN_TYPE = 17010;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_LOOP_PREPARE
| OPTS_TYPE_AUX1
| OPTS_TYPE_AUX2
| OPTS_TYPE_DEEP_COMP_KERNEL;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$gpg$*1*348*1024*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*3*254*2*7*16*a47ef38987beab0a0b9bfe74b72822e8*65536*1f5c90d9820997db";
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[80];
u32 salted_pw_block_len;
u32 h[10];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
u32 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;
// "2" - String2Key parameters
token.len_min[7] = 1;
token.len_max[7] = 1;
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) != 2) 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_repeats = gpg->cipher_algo == 7 ? 0 : 1; // "minus one"
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?) */
2, /* key cipher (sha-1) */
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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