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Added hash-mode: PKCS#8 Private Keys

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This commit is contained in:
Jens Steube
2020-10-09 10:35:27 +02:00
parent a8506e6691
commit fb219e0a69
7 changed files with 2376 additions and 0 deletions
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363
src/modules/module_24410.c Normal file
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/**
* 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_PRIVATE_KEY;
static const char *HASH_NAME = "PKCS#8 Private Keys (PBKDF2-HMAC-SHA1 + 3DES/AES)";
static const u64 KERN_TYPE = 24410;
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
| OPTS_TYPE_SUGGEST_KG;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$PEM$1$4$f5662bd8383b4b40$2048$2993b585d3fb2e7b235ed13d90f637e2$1232$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";
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 pkcs_sha1_tmp
{
u32 ipad[5];
u32 opad[5];
u32 dgst[32];
u32 out[32];
} pkcs_sha1_tmp_t;
typedef struct pkcs
{
int cipher;
u32 data_buf[16384];
int data_len;
u32 iv_buf[4];
} pkcs_t;
static const char *SIGNATURE_PEM = "$PEM$";
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 (pkcs_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 (pkcs_sha1_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;
pkcs_t *pkcs = (pkcs_t *) esalt_buf;
token_t token;
token.token_cnt = 8;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_PEM;
token.len[0] = 5;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.sep[1] = '$';
token.len_min[1] = 1;
token.len_max[1] = 1;
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[2] = '$';
token.len_min[2] = 1;
token.len_max[2] = 1;
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[3] = '$';
token.len_min[3] = 16;
token.len_max[3] = 16;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.sep[4] = '$';
token.len_min[4] = 1;
token.len_max[4] = 8;
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[5] = '$';
token.len_min[5] = 16; // can be either 16 or 32
token.len_max[5] = 32; // exact check deeper in decoder code
token.attr[5] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.sep[6] = '$';
token.len_min[6] = 1;
token.len_max[6] = 8;
token.attr[6] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[7] = '$';
token.len_min[7] = 64; // 64 = minimum size (32 byte) to avoid out of boundary read in kernel
token.len_max[7] = 65536; // 65536 = maximum asn.1 size fitting into 2 byte length integer
token.attr[7] = 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);
// type
const u8 *type_pos = token.buf[1];
if (type_pos[0] != '1') return (PARSER_SIGNATURE_UNMATCHED);
// cipher
const u8 *cipher_pos = token.buf[2];
int cipher = hc_strtoul ((const char *) cipher_pos, NULL, 10);
if ((cipher != 1)
&& (cipher != 2)
&& (cipher != 3)
&& (cipher != 4)) return (PARSER_CIPHER);
pkcs->cipher = cipher;
// salt buffer
const u8 *salt_pos = token.buf[3];
salt->salt_buf[0] = hex_to_u32 (salt_pos + 0);
salt->salt_buf[1] = hex_to_u32 (salt_pos + 8);
salt->salt_len = 8;
// iter
const u8 *iter_pos = token.buf[4];
const u32 iter = hc_strtoul ((const char *) iter_pos, NULL, 10);
salt->salt_iter = iter - 1;
// IV buffer
const u8 *iv_pos = token.buf[5];
const int iv_len = token.len[5];
if (cipher == 1)
{
if (iv_len != 16) return (PARSER_SALT_LENGTH);
pkcs->iv_buf[0] = hex_to_u32 (iv_pos + 0);
pkcs->iv_buf[1] = hex_to_u32 (iv_pos + 8);
}
else
{
if (iv_len != 32) return (PARSER_SALT_LENGTH);
pkcs->iv_buf[0] = hex_to_u32 (iv_pos + 0);
pkcs->iv_buf[1] = hex_to_u32 (iv_pos + 8);
pkcs->iv_buf[2] = hex_to_u32 (iv_pos + 16);
pkcs->iv_buf[3] = hex_to_u32 (iv_pos + 24);
}
// data length
const u8 *data_len_verify_pos = token.buf[6];
const int data_len_verify = hc_strtoul ((const char *) data_len_verify_pos, NULL, 10);
// data
const u8 *data_pos = token.buf[7];
const int data_len = token.len[7];
pkcs->data_len = hex_decode (data_pos, data_len, (u8 *) pkcs->data_buf);
if (data_len_verify != pkcs->data_len) return (PARSER_HASH_LENGTH);
// data has to be a multiple of cipher block size
int cipher_bs = 0;
if (cipher == 1) { cipher_bs = 8; }
else if (cipher == 2) { cipher_bs = 16; }
else if (cipher == 3) { cipher_bs = 16; }
else if (cipher == 4) { cipher_bs = 16; }
if (pkcs->data_len % cipher_bs) return (PARSER_HASH_LENGTH);
// hash
digest[0] = pkcs->data_buf[0];
digest[1] = pkcs->data_buf[1];
digest[2] = pkcs->data_buf[2];
digest[3] = pkcs->data_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)
{
pkcs_t *pkcs = (pkcs_t *) esalt_buf;
u8 *out_buf = (u8 *) line_buf;
int out_len;
if (pkcs->cipher == 1)
{
out_len = snprintf ((char *) out_buf, line_size, "%s1$%d$%08x%08x$%d$%08x%08x$%d$",
SIGNATURE_PEM,
pkcs->cipher,
byte_swap_32 (salt->salt_buf[0]),
byte_swap_32 (salt->salt_buf[1]),
salt->salt_iter + 1,
byte_swap_32 (pkcs->iv_buf[0]),
byte_swap_32 (pkcs->iv_buf[1]),
pkcs->data_len);
}
else
{
out_len = snprintf ((char *) out_buf, line_size, "%s1$%d$%08x%08x$%d$%08x%08x%08x%08x$%d$",
SIGNATURE_PEM,
pkcs->cipher,
byte_swap_32 (salt->salt_buf[0]),
byte_swap_32 (salt->salt_buf[1]),
salt->salt_iter + 1,
byte_swap_32 (pkcs->iv_buf[0]),
byte_swap_32 (pkcs->iv_buf[1]),
byte_swap_32 (pkcs->iv_buf[2]),
byte_swap_32 (pkcs->iv_buf[3]),
pkcs->data_len);
}
out_len += hex_encode ((const u8 *) pkcs->data_buf, pkcs->data_len, (u8 *) out_buf + out_len);
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_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_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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/**
* 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_PRIVATE_KEY;
static const char *HASH_NAME = "PKCS#8 Private Keys (PBKDF2-HMAC-SHA256 + 3DES/AES)";
static const u64 KERN_TYPE = 24420;
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
| OPTS_TYPE_SUGGEST_KG;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$PEM$2$4$ed02960b8a10b1f1$2048$a634c482a95f23bd8fada558e1bac2cf$1232$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";
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 pkcs_sha256_tmp
{
u32 ipad[8];
u32 opad[8];
u32 dgst[32];
u32 out[32];
} pkcs_sha256_tmp_t;
typedef struct pkcs
{
int cipher;
u32 data_buf[16384];
int data_len;
u32 iv_buf[4];
} pkcs_t;
static const char *SIGNATURE_PEM = "$PEM$";
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 (pkcs_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 (pkcs_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;
pkcs_t *pkcs = (pkcs_t *) esalt_buf;
token_t token;
token.token_cnt = 8;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_PEM;
token.len[0] = 5;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.sep[1] = '$';
token.len_min[1] = 1;
token.len_max[1] = 1;
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[2] = '$';
token.len_min[2] = 1;
token.len_max[2] = 1;
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[3] = '$';
token.len_min[3] = 16;
token.len_max[3] = 16;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.sep[4] = '$';
token.len_min[4] = 1;
token.len_max[4] = 8;
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[5] = '$';
token.len_min[5] = 16; // can be either 16 or 32
token.len_max[5] = 32; // exact check deeper in decoder code
token.attr[5] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.sep[6] = '$';
token.len_min[6] = 1;
token.len_max[6] = 8;
token.attr[6] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[7] = '$';
token.len_min[7] = 64; // 64 = minimum size (32 byte) to avoid out of boundary read in kernel
token.len_max[7] = 65536; // 65536 = maximum asn.1 size fitting into 2 byte length integer
token.attr[7] = 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);
// type
const u8 *type_pos = token.buf[1];
if (type_pos[0] != '2') return (PARSER_SIGNATURE_UNMATCHED);
// cipher
const u8 *cipher_pos = token.buf[2];
int cipher = hc_strtoul ((const char *) cipher_pos, NULL, 10);
if ((cipher != 1)
&& (cipher != 2)
&& (cipher != 3)
&& (cipher != 4)) return (PARSER_CIPHER);
pkcs->cipher = cipher;
// salt buffer
const u8 *salt_pos = token.buf[3];
salt->salt_buf[0] = hex_to_u32 (salt_pos + 0);
salt->salt_buf[1] = hex_to_u32 (salt_pos + 8);
salt->salt_len = 8;
// iter
const u8 *iter_pos = token.buf[4];
const u32 iter = hc_strtoul ((const char *) iter_pos, NULL, 10);
salt->salt_iter = iter - 1;
// IV buffer
const u8 *iv_pos = token.buf[5];
const int iv_len = token.len[5];
if (cipher == 1)
{
if (iv_len != 16) return (PARSER_SALT_LENGTH);
pkcs->iv_buf[0] = hex_to_u32 (iv_pos + 0);
pkcs->iv_buf[1] = hex_to_u32 (iv_pos + 8);
}
else
{
if (iv_len != 32) return (PARSER_SALT_LENGTH);
pkcs->iv_buf[0] = hex_to_u32 (iv_pos + 0);
pkcs->iv_buf[1] = hex_to_u32 (iv_pos + 8);
pkcs->iv_buf[2] = hex_to_u32 (iv_pos + 16);
pkcs->iv_buf[3] = hex_to_u32 (iv_pos + 24);
}
// data length
const u8 *data_len_verify_pos = token.buf[6];
const int data_len_verify = hc_strtoul ((const char *) data_len_verify_pos, NULL, 10);
// data
const u8 *data_pos = token.buf[7];
const int data_len = token.len[7];
pkcs->data_len = hex_decode (data_pos, data_len, (u8 *) pkcs->data_buf);
if (data_len_verify != pkcs->data_len) return (PARSER_HASH_LENGTH);
// data has to be a multiple of cipher block size
int cipher_bs = 0;
if (cipher == 1) { cipher_bs = 8; }
else if (cipher == 2) { cipher_bs = 16; }
else if (cipher == 3) { cipher_bs = 16; }
else if (cipher == 4) { cipher_bs = 16; }
if (pkcs->data_len % cipher_bs) return (PARSER_HASH_LENGTH);
// hash
digest[0] = pkcs->data_buf[0];
digest[1] = pkcs->data_buf[1];
digest[2] = pkcs->data_buf[2];
digest[3] = pkcs->data_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)
{
pkcs_t *pkcs = (pkcs_t *) esalt_buf;
u8 *out_buf = (u8 *) line_buf;
int out_len;
if (pkcs->cipher == 1)
{
out_len = snprintf ((char *) out_buf, line_size, "%s2$%d$%08x%08x$%d$%08x%08x$%d$",
SIGNATURE_PEM,
pkcs->cipher,
byte_swap_32 (salt->salt_buf[0]),
byte_swap_32 (salt->salt_buf[1]),
salt->salt_iter + 1,
byte_swap_32 (pkcs->iv_buf[0]),
byte_swap_32 (pkcs->iv_buf[1]),
pkcs->data_len);
}
else
{
out_len = snprintf ((char *) out_buf, line_size, "%s2$%d$%08x%08x$%d$%08x%08x%08x%08x$%d$",
SIGNATURE_PEM,
pkcs->cipher,
byte_swap_32 (salt->salt_buf[0]),
byte_swap_32 (salt->salt_buf[1]),
salt->salt_iter + 1,
byte_swap_32 (pkcs->iv_buf[0]),
byte_swap_32 (pkcs->iv_buf[1]),
byte_swap_32 (pkcs->iv_buf[2]),
byte_swap_32 (pkcs->iv_buf[3]),
pkcs->data_len);
}
out_len += hex_encode ((const u8 *) pkcs->data_buf, pkcs->data_len, (u8 *) out_buf + out_len);
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_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_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;
}