/** * Author......: See docs/credits.txt * License.....: MIT */ #include #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_8; static const u32 HASH_CATEGORY = HASH_CATEGORY_GENERIC_KDF; static const char *HASH_NAME = "scrypt"; static const u64 KERN_TYPE = 8900; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE; static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE | OPTS_TYPE_MP_MULTI_DISABLE | OPTS_TYPE_NATIVE_THREADS | OPTS_TYPE_LOOP_PREPARE | OPTS_TYPE_SELF_TEST_DISABLE; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "SCRYPT:16384:8:1:OTEyNzU0ODg=:Cc8SPjRH1hFQhuIPCdF51uNGtJ2aOY/isuoMlMUsJ8c="; 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; } static const char *SIGNATURE_SCRYPT = "SCRYPT"; static const u64 SCRYPT_N = 16384; static const u64 SCRYPT_R = 8; static const u64 SCRYPT_P = 1; bool module_unstable_warning (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 hc_device_param_t *device_param) { // AMD Radeon Pro W5700X Compute Engine; 1.2 (Apr 22 2021 21:54:44); 11.3.1; 20E241 if ((device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU)) { return true; } // amdgpu-pro-20.50-1234664-ubuntu-20.04 (legacy) // test_1619943729/test_report.log:password not found, cmdline : cat test_1619943729/8900_passwords.txt | ./hashcat --quiet --potfile-disable --runtime 400 --hwmon-disable -O -D 2 --backend-vector-width 1 -a 0 -m 8900 test_1619943729/8900_hashes.txt // test_1619955152/test_report.log:password not found, cmdline : cat test_1619955152/8900_passwords.txt | ./hashcat --quiet --potfile-disable --runtime 400 --hwmon-disable -D 2 --backend-vector-width 4 -a 0 -m 8900 test_1619955152/8900_hashes.txt if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false)) { return true; } return false; } 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 = 1024; return kernel_loops_max; } 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; } u64 module_extra_buffer_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, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param) { // we need to set the self-test hash settings to pass the self-test // the decoder for the self-test is called after this function const u64 scrypt_N = (hashes->salts_buf[0].scrypt_N) ? hashes->salts_buf[0].scrypt_N : SCRYPT_N; const u64 scrypt_r = (hashes->salts_buf[0].scrypt_r) ? hashes->salts_buf[0].scrypt_r : SCRYPT_R; const u64 kernel_power_max = ((OPTS_TYPE & OPTS_TYPE_MP_MULTI_DISABLE) ? 1 : device_param->device_processors) * device_param->kernel_threads_max * device_param->kernel_accel_max; u64 tmto_start = 0; u64 tmto_stop = 4; if (user_options->scrypt_tmto_chgd == true) { tmto_start = user_options->scrypt_tmto; tmto_stop = user_options->scrypt_tmto; } // size_pws const u64 size_pws = kernel_power_max * sizeof (pw_t); const u64 size_pws_amp = size_pws; // size_pws_comp const u64 size_pws_comp = kernel_power_max * (sizeof (u32) * 64); // size_pws_idx const u64 size_pws_idx = (kernel_power_max + 1) * sizeof (pw_idx_t); // size_tmps const u64 size_tmps = kernel_power_max * hashconfig->tmp_size; // size_hooks const u64 size_hooks = kernel_power_max * hashconfig->hook_size; u64 size_pws_pre = 4; u64 size_pws_base = 4; if (user_options->slow_candidates == true) { // size_pws_pre size_pws_pre = kernel_power_max * sizeof (pw_pre_t); // size_pws_base size_pws_base = kernel_power_max * sizeof (pw_pre_t); } // sometimes device_available_mem and device_maxmem_alloc reported back from the opencl runtime are a bit inaccurate. // let's add some extra space just to be sure. // now depends on the kernel-accel value (where scrypt and similar benefits), but also hard minimum 64mb and maximum 1024mb limit u64 EXTRA_SPACE = (1024ULL * 1024ULL) * device_param->kernel_accel_max; EXTRA_SPACE = MAX (EXTRA_SPACE, ( 64ULL * 1024ULL * 1024ULL)); EXTRA_SPACE = MIN (EXTRA_SPACE, (1024ULL * 1024ULL * 1024ULL)); const u64 scrypt_extra_space = device_param->size_bfs + device_param->size_combs + device_param->size_digests + device_param->size_esalts + device_param->size_markov_css + device_param->size_plains + device_param->size_results + device_param->size_root_css + device_param->size_rules + device_param->size_rules_c + device_param->size_salts + device_param->size_shown + device_param->size_tm + device_param->size_st_digests + device_param->size_st_salts + device_param->size_st_esalts + size_pws + size_pws_amp + size_pws_comp + size_pws_idx + size_tmps + size_hooks + size_pws_pre + size_pws_base + EXTRA_SPACE; bool not_enough_memory = true; u64 size_scrypt = 0; u64 tmto; for (tmto = tmto_start; tmto <= tmto_stop; tmto++) { size_scrypt = (128ULL * scrypt_r) * scrypt_N; size_scrypt /= 1ull << tmto; size_scrypt *= kernel_power_max; if ((size_scrypt / 4) > device_param->device_maxmem_alloc) continue; if ((size_scrypt + scrypt_extra_space) > device_param->device_available_mem) continue; not_enough_memory = false; break; } if (not_enough_memory == true) return -1; return size_scrypt; } 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 = 0; // we'll add some later return tmp_size; } u64 module_extra_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, MAYBE_UNUSED const hashes_t *hashes) { const u64 scrypt_N = (hashes->salts_buf[0].scrypt_N) ? hashes->salts_buf[0].scrypt_N : SCRYPT_N; const u64 scrypt_r = (hashes->salts_buf[0].scrypt_r) ? hashes->salts_buf[0].scrypt_r : SCRYPT_R; const u64 scrypt_p = (hashes->salts_buf[0].scrypt_p) ? hashes->salts_buf[0].scrypt_p : SCRYPT_P; // we need to check that all hashes have the same scrypt settings for (u32 i = 1; i < hashes->salts_cnt; i++) { if ((hashes->salts_buf[i].scrypt_N != scrypt_N) || (hashes->salts_buf[i].scrypt_r != scrypt_r) || (hashes->salts_buf[i].scrypt_p != scrypt_p)) { return -1; } } const u64 tmp_size = 128ULL * scrypt_r * scrypt_p; return tmp_size; } bool module_warmup_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) { return true; } 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) { const u64 scrypt_N = (hashes->salts_buf[0].scrypt_N) ? hashes->salts_buf[0].scrypt_N : SCRYPT_N; const u64 scrypt_r = (hashes->salts_buf[0].scrypt_r) ? hashes->salts_buf[0].scrypt_r : SCRYPT_R; const u64 scrypt_p = (hashes->salts_buf[0].scrypt_p) ? hashes->salts_buf[0].scrypt_p : SCRYPT_P; const u64 extra_buffer_size = device_param->extra_buffer_size; const u64 kernel_power_max = ((OPTS_TYPE & OPTS_TYPE_MP_MULTI_DISABLE) ? 1 : device_param->device_processors) * device_param->kernel_threads_max * device_param->kernel_accel_max; const u64 size_scrypt = 128ULL * scrypt_r * scrypt_N; const u64 scrypt_tmto_final = (kernel_power_max * size_scrypt) / extra_buffer_size; const u64 tmp_size = 128ULL * scrypt_r * scrypt_p; char *jit_build_options = NULL; hc_asprintf (&jit_build_options, "-DSCRYPT_N=%u -DSCRYPT_R=%u -DSCRYPT_P=%u -DSCRYPT_TMTO=%" PRIu64 " -DSCRYPT_TMP_ELEM=%" PRIu64, hashes->salts_buf[0].scrypt_N, hashes->salts_buf[0].scrypt_r, hashes->salts_buf[0].scrypt_p, scrypt_tmto_final, tmp_size / 16); return jit_build_options; } 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; token_t token; token.token_cnt = 6; token.signatures_cnt = 1; token.signatures_buf[0] = SIGNATURE_SCRYPT; token.len_min[0] = 6; token.len_max[0] = 6; token.sep[0] = ':'; token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; token.len_min[1] = 1; token.len_max[1] = 6; token.sep[1] = ':'; token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH; token.len_min[2] = 1; token.len_max[2] = 6; token.sep[2] = ':'; token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH; token.len_min[3] = 1; token.len_max[3] = 6; token.sep[3] = ':'; token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH; token.len_min[4] = 0; token.len_max[4] = 45; token.sep[4] = ':'; token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_BASE64A; token.len_min[5] = 44; token.len_max[5] = 44; token.sep[5] = ':'; token.attr[5] = 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); // scrypt settings const u8 *N_pos = token.buf[1]; const u8 *r_pos = token.buf[2]; const u8 *p_pos = token.buf[3]; salt->scrypt_N = hc_strtoul ((const char *) N_pos, NULL, 10); salt->scrypt_r = hc_strtoul ((const char *) r_pos, NULL, 10); salt->scrypt_p = hc_strtoul ((const char *) p_pos, NULL, 10); salt->salt_iter = salt->scrypt_N; salt->salt_repeats = salt->scrypt_p - 1; if (salt->scrypt_N % 1024) return (PARSER_SALT_VALUE); // we set loop count to 1024 fixed // salt const u8 *salt_pos = token.buf[4]; const int salt_len = token.len[4]; u8 tmp_buf[33] = { 0 }; const int tmp_len = base64_decode (base64_to_int, (const u8 *) salt_pos, salt_len, tmp_buf); memcpy (salt->salt_buf, tmp_buf, tmp_len); salt->salt_len = tmp_len; // digest - base64 decode const u8 *hash_pos = token.buf[5]; const int hash_len = token.len[5]; memset (tmp_buf, 0, sizeof (tmp_buf)); base64_decode (base64_to_int, (const u8 *) hash_pos, hash_len, tmp_buf); memcpy (digest, tmp_buf, 32); 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) { char base64_salt[32] = { 0 }; base64_encode (int_to_base64, (const u8 *) salt->salt_buf, salt->salt_len, (u8 *) base64_salt); char base64_digest[64] = { 0 }; base64_encode (int_to_base64, (const u8 *) digest_buf, 32, (u8 *) base64_digest); const int line_len = snprintf (line_buf, line_size, "%s:%u:%u:%u:%s:%s", SIGNATURE_SCRYPT, salt->scrypt_N, salt->scrypt_r, salt->scrypt_p, base64_salt, base64_digest); return line_len; } void module_init (module_ctx_t *module_ctx) { module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT; module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT; module_ctx->module_attack_exec = module_attack_exec; module_ctx->module_benchmark_esalt = MODULE_DEFAULT; module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT; module_ctx->module_benchmark_mask = MODULE_DEFAULT; module_ctx->module_benchmark_salt = MODULE_DEFAULT; module_ctx->module_build_plain_postprocess = MODULE_DEFAULT; module_ctx->module_deep_comp_kernel = MODULE_DEFAULT; module_ctx->module_dgst_pos0 = module_dgst_pos0; module_ctx->module_dgst_pos1 = module_dgst_pos1; module_ctx->module_dgst_pos2 = module_dgst_pos2; module_ctx->module_dgst_pos3 = module_dgst_pos3; module_ctx->module_dgst_size = module_dgst_size; module_ctx->module_dictstat_disable = MODULE_DEFAULT; module_ctx->module_esalt_size = MODULE_DEFAULT; module_ctx->module_extra_buffer_size = module_extra_buffer_size; module_ctx->module_extra_tmp_size = module_extra_tmp_size; 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_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_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_unstable_warning; module_ctx->module_warmup_disable = module_warmup_disable; }