/** * 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_8; static const u32 HASH_CATEGORY = HASH_CATEGORY_FDE; static const char *HASH_NAME = "Android FDE (Samsung DEK)"; static const u64 KERN_TYPE = 12900; 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; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "15738301074686823451275227041071157383010746868234512752270410712bc4be900bf96ccf43c9852fff49b5f5874a9f6e7bf301686fa6d98286de151f15738301074686823451275227041071"; 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 pbkdf2_sha256_tmp { u32 ipad[8]; u32 opad[8]; u32 dgst[32]; u32 out[32]; } pbkdf2_sha256_tmp_t; static const int ROUNDS_ANDROIDFDE_SAMSUNG = 4096; 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 (pbkdf2_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; token_t token; token.token_cnt = 3; token.len[0] = 64; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.len[1] = 64; token.attr[1] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.len[2] = 32; token.attr[2] = TOKEN_ATTR_FIXED_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); /** * salt */ const u8 *salt1_pos = token.buf[2]; const u8 *salt2_pos = token.buf[0]; salt->salt_buf[ 0] = hex_to_u32 (salt1_pos + 0); salt->salt_buf[ 1] = hex_to_u32 (salt1_pos + 8); salt->salt_buf[ 2] = hex_to_u32 (salt1_pos + 16); salt->salt_buf[ 3] = hex_to_u32 (salt1_pos + 24); salt->salt_buf[ 4] = hex_to_u32 (salt2_pos + 0); salt->salt_buf[ 5] = hex_to_u32 (salt2_pos + 8); salt->salt_buf[ 6] = hex_to_u32 (salt2_pos + 16); salt->salt_buf[ 7] = hex_to_u32 (salt2_pos + 24); salt->salt_buf[ 8] = hex_to_u32 (salt2_pos + 32); salt->salt_buf[ 9] = hex_to_u32 (salt2_pos + 40); salt->salt_buf[10] = hex_to_u32 (salt2_pos + 48); salt->salt_buf[11] = hex_to_u32 (salt2_pos + 56); salt->salt_buf[ 0] = byte_swap_32 (salt->salt_buf[ 0]); salt->salt_buf[ 1] = byte_swap_32 (salt->salt_buf[ 1]); salt->salt_buf[ 2] = byte_swap_32 (salt->salt_buf[ 2]); salt->salt_buf[ 3] = byte_swap_32 (salt->salt_buf[ 3]); salt->salt_buf[ 4] = byte_swap_32 (salt->salt_buf[ 4]); salt->salt_buf[ 5] = byte_swap_32 (salt->salt_buf[ 5]); salt->salt_buf[ 6] = byte_swap_32 (salt->salt_buf[ 6]); salt->salt_buf[ 7] = byte_swap_32 (salt->salt_buf[ 7]); salt->salt_buf[ 8] = byte_swap_32 (salt->salt_buf[ 8]); salt->salt_buf[ 9] = byte_swap_32 (salt->salt_buf[ 9]); salt->salt_buf[10] = byte_swap_32 (salt->salt_buf[10]); salt->salt_buf[11] = byte_swap_32 (salt->salt_buf[11]); salt->salt_len = 48; salt->salt_iter = ROUNDS_ANDROIDFDE_SAMSUNG - 1; /** * digest buf */ const u8 *hash_pos = token.buf[1]; digest[0] = hex_to_u32 (hash_pos + 0); digest[1] = hex_to_u32 (hash_pos + 8); digest[2] = hex_to_u32 (hash_pos + 16); digest[3] = hex_to_u32 (hash_pos + 24); digest[4] = hex_to_u32 (hash_pos + 32); digest[5] = hex_to_u32 (hash_pos + 40); digest[6] = hex_to_u32 (hash_pos + 48); digest[7] = hex_to_u32 (hash_pos + 56); digest[0] = byte_swap_32 (digest[0]); digest[1] = byte_swap_32 (digest[1]); digest[2] = byte_swap_32 (digest[2]); digest[3] = byte_swap_32 (digest[3]); digest[4] = byte_swap_32 (digest[4]); digest[5] = byte_swap_32 (digest[5]); digest[6] = byte_swap_32 (digest[6]); digest[7] = byte_swap_32 (digest[7]); 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 u32 *digest = (const u32 *) digest_buf; const int line_len = snprintf (line_buf, line_size, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x", salt->salt_buf[ 4], salt->salt_buf[ 5], salt->salt_buf[ 6], salt->salt_buf[ 7], salt->salt_buf[ 8], salt->salt_buf[ 9], salt->salt_buf[10], salt->salt_buf[11], digest[0], digest[1], digest[2], digest[3], digest[4], digest[5], digest[6], digest[7], salt->salt_buf[ 0], salt->salt_buf[ 1], salt->salt_buf[ 2], salt->salt_buf[ 3] ); 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_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_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; }