/** * 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 "emu_inc_ecc_secp256k1.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_PASSWORD_MANAGER; static const char *HASH_NAME = "Electrum Wallet (Salt-Type 4)"; static const u64 KERN_TYPE = 21700; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE | OPTI_TYPE_USES_BITS_64 | OPTI_TYPE_SLOW_HASH_SIMD_LOOP; static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "$electrum$4*03eae309d8bda5dcbddaae8145469193152763894b7260a6c4ba181b3ac2ed5653*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*1b0997cf64bb2c2ff88cb87bcacd9729d404bd46db18117c20d94e67c946fedc"; 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 electrum { secp256k1_t coords; u32 data_buf[4096]; u32 data_len; } electrum_t; typedef struct electrum_tmp { u64 ipad[8]; u64 opad[8]; u64 dgst[8]; u64 out[8]; } electrum_tmp_t; static const char *SIGNATURE_ELECTRUM = "$electrum$4*"; 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 (electrum_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 (electrum_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) { const u32 pw_max = PW_MAX; 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_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; electrum_t *esalt = (electrum_t *) esalt_buf; token_t token; token.token_cnt = 4; token.signatures_cnt = 1; token.signatures_buf[0] = SIGNATURE_ELECTRUM; token.len[0] = 12; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; token.sep[1] = '*'; token.len_min[1] = 66; token.len_max[1] = 66; token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[2] = '*'; token.len_min[2] = 128; token.len_max[2] = 32768; token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[3] = '*'; token.len_min[3] = 64; token.len_max[3] = 64; token.attr[3] = 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); const u8 *ephemeral_pos = token.buf[1]; const u8 *data_buf_pos = token.buf[2]; const u8 *mac_pos = token.buf[3]; const u32 data_len = token.len[2] / 2; /** * store data */ // data_len: esalt->data_len = data_len; // ephemeral pubkey: u32 ephemeral_pubkey[9] = { 0 }; u8 *ephemeral_pubkey_ptr = (u8 *) ephemeral_pubkey; for (u32 i = 0, j = 0; j < 66; i += 1, j += 2) { ephemeral_pubkey_ptr[i] = hex_to_u8 (ephemeral_pos + j); } secp256k1_t *coords = &esalt->coords; u32 parse_success = parse_public (coords, ephemeral_pubkey); if (parse_success != 0) return (PARSER_SALT_VALUE); // data buf: u8* data_buf_ptr = (u8 *) esalt->data_buf; memset (data_buf_ptr, 0, sizeof (esalt->data_buf)); for (u32 i = 0, j = 0; j < data_len * 2; i += 1, j += 2) { data_buf_ptr[i] = hex_to_u8 (data_buf_pos + j); } // digest / mac: for (u32 i = 0, j = 0; j < 64; i += 1, j += 8) { digest[i] = hex_to_u32 (mac_pos + j); digest[i] = byte_swap_32 (digest[i]); } // fake salt salt->salt_buf[0] = esalt->data_buf[0]; salt->salt_buf[1] = esalt->data_buf[1]; salt->salt_buf[2] = esalt->data_buf[2]; salt->salt_buf[3] = esalt->data_buf[3]; salt->salt_len = 16; salt->salt_iter = 1024 - 1; 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) { u32 *digest = (u32 *) digest_buf; electrum_t *esalt = (electrum_t *) esalt_buf; // ephemeral pubkey: char ephemeral[66 + 1]; memset (ephemeral, 0, sizeof (ephemeral)); u8 type = 0x02 | (esalt->coords.xy[8] & 1); // odd or even y coordinate snprintf (ephemeral, 66 + 1, "%02x", type); for (int i = 31, j = 2; i >= 0; i -= 1, j += 2) { const u8 *ptr = (const u8 *) esalt->coords.xy; snprintf (ephemeral + j, 66 + 1 - j, "%02x", ptr[i]); } // data buf: char data_buf[32768 + 1]; memset (data_buf, 0, sizeof (data_buf)); for (u32 i = 0, j = 0; i < esalt->data_len; i += 1, j += 2) { const u8 *ptr = (const u8 *) esalt->data_buf; snprintf (data_buf + j, 32768 + 1 - j, "%02x", ptr[i]); } // digest / mac: char mac[64 + 1]; memset (mac, 0, sizeof (mac)); for (u32 i = 0, j = 0; i < 8; i += 1, j += 8) { snprintf (mac + j, 64 + 1 - j, "%08x", digest[i]); } int bytes_written = snprintf (line_buf, line_size, "%s%s*%s*%s", SIGNATURE_ELECTRUM, ephemeral, data_buf, mac); return bytes_written; } 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_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_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; }