/** * Author......: See docs/credits.txt * License.....: MIT */ #include "common.h" #include "types.h" #include "modules.h" #include "bitops.h" #include "convert.h" #include "shared.h" #include "memory.h" #include "cpu_crc32.h" #include "keyboard_layout.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_8_8; static const u32 HASH_CATEGORY = HASH_CATEGORY_FDE; static const char *HASH_NAME = "VeraCrypt SHA512 + XTS 512 bit"; static const u64 KERN_TYPE = 13721; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE | OPTI_TYPE_USES_BITS_64; static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE | OPTS_TYPE_BINARY_HASHFILE | OPTS_TYPE_COPY_TMPS; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "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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 tc64_tmp { u64 ipad[8]; u64 opad[8]; u64 dgst[32]; u64 out[32]; u64 pim_key[32]; int pim; // marker for cracked } vc64_tmp_t; typedef struct vc { u32 salt_buf[32]; u32 data_buf[112]; u32 keyfile_buf[16]; u32 signature; keyboard_layout_mapping_t keyboard_layout_mapping_buf[256]; int keyboard_layout_mapping_cnt; int pim_multi; // 2048 for boot (not SHA-512 or Whirlpool), 1000 for others int pim_start; int pim_stop; } vc_t; static const int ROUNDS_VERACRYPT_500000 = 500000; static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f; int module_build_plain_postprocess (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const void *tmps, const u32 *src_buf, MAYBE_UNUSED const size_t src_sz, MAYBE_UNUSED const int src_len, u32 *dst_buf, MAYBE_UNUSED const size_t dst_sz) { const vc64_tmp_t *vc64_tmp = (const vc64_tmp_t *) tmps; if (vc64_tmp->pim == 0) { return snprintf ((char *) dst_buf, dst_sz, "%s", (char *) src_buf); } else { return snprintf ((char *) dst_buf, dst_sz, "%s (PIM=%d)", (char *) src_buf, vc64_tmp->pim - 15); } } bool module_potfile_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 potfile_disable = true; return potfile_disable; } bool module_outfile_check_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 outfile_check_disable = true; return outfile_check_disable; } 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 (vc_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 (vc64_tmp_t); return tmp_size; } 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 = 1000; // lowest PIM multiplier 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 64 const u32 pw_max = 64; return pw_max; } char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param) { char *jit_build_options = NULL; hc_asprintf (&jit_build_options, "-D NO_UNROLL"); return jit_build_options; } int module_hash_init_selftest (MAYBE_UNUSED const hashconfig_t *hashconfig, hash_t *hash) { const size_t st_hash_len = strlen (hashconfig->st_hash); char *tmpdata = (char *) hcmalloc (st_hash_len / 2); for (size_t i = 0, j = 0; j < st_hash_len; i += 1, j += 2) { const u8 c = hex_to_u8 ((const u8 *) hashconfig->st_hash + j); tmpdata[i] = c; } const int parser_status = module_hash_decode (hashconfig, hash->digest, hash->salt, hash->esalt, hash->hook_salt, hash->hash_info, tmpdata, st_hash_len / 2); hcfree (tmpdata); return parser_status; } int module_hash_binary_parse (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, hashes_t *hashes) { // note: if module_hash_binary_parse exists, then module_hash_decode is not called FILE *fp = fopen (hashes->hashfile, "rb"); if (fp == NULL) return (PARSER_HASH_FILE); #define VC_HEADER_SIZE 512 char *in = (char *) hcmalloc (VC_HEADER_SIZE); const size_t n = hc_fread (in, 1, VC_HEADER_SIZE, fp); fclose (fp); if (n != VC_HEADER_SIZE) return (PARSER_VC_FILE_SIZE); hash_t *hashes_buf = hashes->hashes_buf; hash_t *hash = &hashes_buf[0]; const int parser_status = module_hash_decode (hashconfig, hash->digest, hash->salt, hash->esalt, hash->hook_salt, hash->hash_info, in, VC_HEADER_SIZE); if (parser_status != PARSER_OK) return 0; hcfree (in); // keyfiles vc_t *vc = (vc_t *) hash->esalt; if (user_options->veracrypt_keyfiles) { char *keyfiles = hcstrdup (user_options->veracrypt_keyfiles); char *saveptr = NULL; char *keyfile = strtok_r (keyfiles, ",", &saveptr); while (keyfile) { if (hc_path_read (keyfile)) { cpu_crc32 (keyfile, (u8 *) vc->keyfile_buf); } keyfile = strtok_r ((char *) NULL, ",", &saveptr); } free (keyfiles); } // keyboard layout mapping if (user_options->keyboard_layout_mapping) { if (hc_path_read (user_options->keyboard_layout_mapping)) { initialize_keyboard_layout_mapping (user_options->keyboard_layout_mapping, vc->keyboard_layout_mapping_buf, &vc->keyboard_layout_mapping_cnt); } } // veracrypt PIM salt_t *salt = hash->salt; if ((user_options->veracrypt_pim_start) && (user_options->veracrypt_pim_stop)) { vc->pim_start = 15 + user_options->veracrypt_pim_start; vc->pim_stop = 15 + user_options->veracrypt_pim_stop; salt->salt_iter = vc->pim_stop * 1000; salt->salt_iter--; } return 1; } 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; vc_t *vc = (vc_t *) esalt_buf; const float entropy = get_entropy ((const u8 *) line_buf, line_len); if (entropy < MIN_SUFFICIENT_ENTROPY_FILE) return (PARSER_INSUFFICIENT_ENTROPY); memcpy (vc->salt_buf, line_buf, 64); memcpy (vc->data_buf, line_buf + 64, 512 - 64); salt->salt_buf[0] = vc->salt_buf[0]; salt->salt_len = 4; salt->salt_iter = ROUNDS_VERACRYPT_500000; salt->salt_iter--; vc->pim_multi = 1000; vc->pim_start = 0; vc->pim_stop = 0; vc->signature = 0x41524556; // "VERA" digest[0] = vc->data_buf[0]; return (PARSER_OK); } 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_build_plain_postprocess; 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_hash_binary_parse; 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_DEFAULT; module_ctx->module_hash_init_selftest = module_hash_init_selftest; 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_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_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_outfile_check_disable; module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT; module_ctx->module_potfile_custom_check = MODULE_DEFAULT; module_ctx->module_potfile_disable = module_potfile_disable; 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; }