From da413b4eaa84ccc163fdf2027026fc649f8912e7 Mon Sep 17 00:00:00 2001 From: jsteube Date: Fri, 18 Jan 2019 22:56:37 +0100 Subject: [PATCH] Add -m 5100 module --- include/interface_migrate.h | 3 - src/interface_migrate.c | 55 ------------ src/modules/module_05100.c | 166 +++++++++++++++++++++++++++++++++++ tools/test_modules/m05100.pm | 52 +++++++++++ 4 files changed, 218 insertions(+), 58 deletions(-) create mode 100644 src/modules/module_05100.c create mode 100644 tools/test_modules/m05100.pm diff --git a/include/interface_migrate.h b/include/interface_migrate.h index 29377c06a..960b1835b 100644 --- a/include/interface_migrate.h +++ b/include/interface_migrate.h @@ -902,7 +902,6 @@ typedef enum hash_type { HASH_TYPE_MD4 = 1, HASH_TYPE_MD5 = 2, - HASH_TYPE_MD5H = 3, HASH_TYPE_SHA1 = 4, HASH_TYPE_SHA224 = 5, HASH_TYPE_SHA256 = 6, @@ -1022,7 +1021,6 @@ typedef enum kern_type KERN_TYPE_SHA1_MD5 = 4700, KERN_TYPE_MD5_CHAP = 4800, KERN_TYPE_SHA1_SLT_PW_SLT = 4900, - KERN_TYPE_MD5H = 5100, KERN_TYPE_PSAFE3 = 5200, KERN_TYPE_IKEPSK_MD5 = 5300, KERN_TYPE_IKEPSK_SHA1 = 5400, @@ -1262,7 +1260,6 @@ int md4_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_bu int md4s_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig); int md5_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig); int md5s_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig); -int md5half_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig); int md5md5_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig); int md5pix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig); int md5asa_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig); diff --git a/src/interface_migrate.c b/src/interface_migrate.c index 973aab98a..fc91314ce 100644 --- a/src/interface_migrate.c +++ b/src/interface_migrate.c @@ -1,5 +1,4 @@ - " 5100 | Half MD5 | Raw Hash", " 17300 | SHA3-224 | Raw Hash", " 17400 | SHA3-256 | Raw Hash", " 17500 | SHA3-384 | Raw Hash", @@ -347,7 +346,6 @@ static const char *ST_HASH_04522 = "9038129c474caa3f0de56f38db84033d0fe1d4b8:365 static const char *ST_HASH_04700 = "92d85978d884eb1d99a51652b1139c8279fa8663"; static const char *ST_HASH_04800 = "aa4aaa1d52319525023c06a4873f4c51:35343534373533343633383832343736:dc"; static const char *ST_HASH_04900 = "75d280ca9a0c2ee18729603104ead576d9ca6285:347070"; -static const char *ST_HASH_05100 = "8743b52063cd8409"; static const char *ST_HASH_05200 = "50575333e4e2a590a5e5c8269f57ec04a8a1c0c03da55b311c51236dab8c6b96b0afca02000800005eaeee20c6cc10d5caa6522b3ca545c41d9133d630ca08f467b7aae8a2bbef51aa2df968d10b9c4cfb17a182c0add7acb8c153794f51337e12f472f451d10e6dcac664ed760606aabdbb6b794a80d6ce2a330100c76de0ff961a45cca21576b893d826c52f272b97cdf48aca6fbe6c74b039f81c61b7d632fb6fddd9f96162ab1effd69a4598a331e855e38792e5365272d4791bf991d248e1585a9ad20ea3d77b5d2ef9a711ef90a70ec6991cb578f1b8bdaa9efa7b0039e9ea96f777491713047bdd99fa1d78f06f23406a66046b387d3034e46b1f84129bba853cc18fa49f107dc0290547258d30566a4b1b363ff4c1c16cb2f5f400059833d4b651bfa508200cbdc7a75fc57ef90eb1d90b0deea8505753332d454f46505753332d454f466236710e2e2477878e738b60d0aa2834a96b01e97764fe980243a06ad16939d1"; static const char *ST_HASH_05300 = "50503326cac6e4bd892b8257805b5a59a285f464ad3f63dc01bd0335f8341ef52e00be0b8cb205422a3788f021e4e6e8ccbe34784bc85abe42f62545bac64888426a2f1264fa28cf384ff00b14cfa5eff562dda4fad2a31fd7a6715218cff959916deed856feea5bee2e773241c5fbebf202958f0ce0c432955e0f1f6d1259da:688a7bfa8d5819630a970ed6d27018021a15fbb3e2fdcc36ce9b563d8ff95f510c4b3236c014d1cde9c2f1a999b121bc3ab1bc8049c8ac1e8c167a84f53c867492723eb01ab4b38074b38f4297d6fea8f44e01ea828fce33c433430938b1551f60673ce8088e7d2f41e3b49315344046fefee1e3860064331417562761db3ba4:c66606d691eaade4:8bdc88a2cdb4a1cf:c3b13137fae9f66684d98709939e5c3454ee31a98c80a1c76427d805b5dea866eff045515e8fb42dd259b9448caba9d937f4b3b75ec1b092a92232b4c8c1e70a60a52076e907f887b731d0f66e19e09b535238169c74c04a4b393f9b815c54eef4558cd8a22c9018bb4f24ee6db0e32979f9a353361cdba948f9027551ee40b1c96ba81c28aa3e1a0fac105dc469efa83f6d3ee281b945c6fa8b4677bac26dda:53f757c5b08afad6:aa02d9289e1702e5d7ed1e4ebf35ab31c2688e00:aab8580015cf545ac0b7291d15a4f2c79e06defd:944a0df3939f3bd281c9d05fbc0e3d30"; static const char *ST_HASH_05400 = "266b43c54636c062b6696b71f24b30999c98bd4c3ba57e2de56a7ae50bb17ebcbca1abcd33e9ad466d4df6e6f2a407600f0c5a983f79d493b0a3694080a81143d4bac7a8b7b008ae5364a04688b3cfae44824885ca96ade1e395936567ecad519b502c3a786c72847f79c67b777feb8ba4f747303eb985709e92b3a5634f6513:60f861c6209c9c996ac0dcb49d6f6809faaaf0e8eb8041fe603a918170a801e94ab8ab10c5906d850f4282c0668029fa69dbc8576f7d86633dc2b21f0d79aa06342b02a4d2732841cd3266b84a7eb49ac489b307ba55562a17741142bac7712025f0a8cad59b11f19d9b756ce998176fd6b063df556957b257b3645549a138c2:f4dd079ed2b60e77:f1f8da1f38f76923:fd862602549f6949b33870f186d96cb8926a19d78442c02af823460740be719eba41a79388aeefb072e1ec7cb46b2f0b72e21fb30bd3a6568d2b041af7f9dc0c9cce27ed577e5aabb9ab6c405f1c4b189adbee8c9fb6abf4788b63a3ae05a02c192187b9d7246efe5e46db9b01bf8f4be05f7599ae52bf137743e41d90dceb85bd6ae07397dcc168bbc904adfebb08e6bc67e653edeee97a7e4ab9dab5e63fec:56e3f0d49ea70514:e754055008febe970053d795d26bfe609f42eda8:0c3283efd6396e7a2ecb008e1933fccb694a4ac0:8f79167724f4bdb2d76ee5d5e502b665e3445ea6"; @@ -556,7 +554,6 @@ static const char *HT_04520 = "sha1($salt.sha1($pass))"; static const char *HT_04700 = "sha1(md5($pass))"; static const char *HT_04800 = "iSCSI CHAP authentication, MD5(CHAP)"; static const char *HT_04900 = "sha1($salt.$pass.$salt)"; -static const char *HT_05100 = "Half MD5"; static const char *HT_05200 = "Password Safe v3"; static const char *HT_05300 = "IKE-PSK MD5"; static const char *HT_05400 = "IKE-PSK SHA1"; @@ -4078,33 +4075,6 @@ int md5_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED return (PARSER_OK); } -int md5half_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig) -{ - u32 *digest = (u32 *) hash_buf->digest; - - token_t token; - - token.token_cnt = 1; - - token.len_min[0] = 16; - token.len_max[0] = 16; - token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH - | TOKEN_ATTR_VERIFY_HEX; - - const int rc_tokenizer = input_tokenizer (input_buf, input_len, &token); - - if (rc_tokenizer != PARSER_OK) return (rc_tokenizer); - - const u8 *hash_pos = token.buf[0]; - - digest[0] = hex_to_u32 (hash_pos + 0); - digest[1] = hex_to_u32 (hash_pos + 8); - digest[2] = 0; - digest[3] = 0; - - return (PARSER_OK); -} - int md5s_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig) { u32 *digest = (u32 *) hash_buf->digest; @@ -18493,12 +18463,6 @@ int ascii_digest (hashcat_ctx_t *hashcat_ctx, char *out_buf, const int out_size, byte_swap_32 (digest_buf[3]), byte_swap_32 (digest_buf[4])); } - else if (hash_mode == 5100) - { - snprintf (out_buf, out_size, "%08x%08x", - digest_buf[0], - digest_buf[1]); - } else if (hash_mode == 5200) { snprintf (out_buf, out_size, "%s", hashfile); @@ -23176,25 +23140,6 @@ int hashconfig_init (hashcat_ctx_t *hashcat_ctx) hashconfig->st_pass = ST_PASS_HASHCAT_PLAIN; break; - case 5100: hashconfig->hash_type = HASH_TYPE_MD5H; - hashconfig->salt_type = SALT_TYPE_NONE; - hashconfig->attack_exec = ATTACK_EXEC_INSIDE_KERNEL; - hashconfig->opts_type = OPTS_TYPE_PT_GENERATE_LE - | OPTS_TYPE_PT_ADD80 - | OPTS_TYPE_PT_ADDBITS14; - hashconfig->kern_type = KERN_TYPE_MD5H; - hashconfig->dgst_size = DGST_SIZE_4_4; // originally DGST_SIZE_4_2 - hashconfig->parse_func = md5half_parse_hash; - hashconfig->opti_type = OPTI_TYPE_ZERO_BYTE - | OPTI_TYPE_RAW_HASH; - hashconfig->dgst_pos0 = 0; - hashconfig->dgst_pos1 = 1; - hashconfig->dgst_pos2 = 2; - hashconfig->dgst_pos3 = 3; - hashconfig->st_hash = ST_HASH_05100; - hashconfig->st_pass = ST_PASS_HASHCAT_PLAIN; - break; - case 5200: hashconfig->hash_type = HASH_TYPE_SHA256; hashconfig->salt_type = SALT_TYPE_EMBEDDED; hashconfig->attack_exec = ATTACK_EXEC_OUTSIDE_KERNEL; diff --git a/src/modules/module_05100.c b/src/modules/module_05100.c new file mode 100644 index 000000000..496b2f653 --- /dev/null +++ b/src/modules/module_05100.c @@ -0,0 +1,166 @@ +/** + * 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_INSIDE_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_RAW_HASH; +static const char *HASH_NAME = "Half MD5"; +static const u32 HASH_TYPE = HASH_TYPE_GENERIC; +static const u64 KERN_TYPE = 5100; +static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE + | OPTI_TYPE_RAW_HASH; +static const u64 OPTS_TYPE = OPTS_TYPE_STATE_BUFFER_LE + | OPTS_TYPE_PT_GENERATE_LE + | OPTS_TYPE_PT_ADD80 + | OPTS_TYPE_PT_ADDBITS14; +static const u32 SALT_TYPE = SALT_TYPE_NONE; +static const char *ST_PASS = "hashcat"; +static const char *ST_HASH = "8743b52063cd8409"; + +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; } +u32 module_hash_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 HASH_TYPE; } +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; } + +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 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 = 1; + + token.len_min[0] = 16; + token.len_max[0] = 16; + token.attr[0] = 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 *hash_pos = token.buf[0]; + + digest[0] = hex_to_u32 (hash_pos + 0); + digest[1] = hex_to_u32 (hash_pos + 8); + digest[2] = 0; + digest[3] = 0; + + 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 hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size) +{ + const u32 *digest = (const u32 *) digest_buf; + + // we can not change anything in the original buffer, otherwise destroying sorting + // therefore create some local buffer + + u32 tmp[4]; + + tmp[0] = digest[0]; + tmp[1] = digest[1]; + tmp[2] = 0; + tmp[3] = 0; + + u8 *out_buf = (u8 *) line_buf; + + u32_to_hex (tmp[0], out_buf + 0); + u32_to_hex (tmp[1], out_buf + 8); + + const int out_len = 16; + + 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_DEFAULT; + module_ctx->module_extra_buffer_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_binary_verify = MODULE_DEFAULT; + module_ctx->module_hash_decode_outfile = 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 = 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_hash_type = module_hash_type; + 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_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_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_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_DEFAULT; + 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_DEFAULT; + module_ctx->module_unstable_warning = MODULE_DEFAULT; + module_ctx->module_warmup_disable = MODULE_DEFAULT; +} diff --git a/tools/test_modules/m05100.pm b/tools/test_modules/m05100.pm new file mode 100644 index 000000000..bcc6a9c4f --- /dev/null +++ b/tools/test_modules/m05100.pm @@ -0,0 +1,52 @@ +#!/usr/bin/env perl + +## +## Author......: See docs/credits.txt +## License.....: MIT +## + +use strict; +use warnings; + +use Digest::MD5 qw (md5_hex); + +sub module_constraints { [[0, 255], [-1, -1], [0, 55], [-1, -1], [-1, -1]] } + +sub module_generate_hash +{ + my $word = shift; + my $salt = shift; + my $idx = shift; + + my $digest = md5_hex ($word); + + my $digest_half = substr ($digest, (defined $idx) ? $idx : 0, 16); + + my $hash = sprintf ("%s", $digest_half); + + return $hash; +} + +sub module_verify_hash +{ + my $line = shift; + + my ($hash, $word) = split (':', $line); + + return unless defined $hash; + return unless defined $word; + + my $word_packed = pack_if_HEX_notation ($word); + + my $new_hash1 = module_generate_hash ($word_packed, undef, 0); + my $new_hash2 = module_generate_hash ($word_packed, undef, 8); + my $new_hash3 = module_generate_hash ($word_packed, undef, 16); + + return ($new_hash1, $word) if ($hash eq $new_hash1); + return ($new_hash2, $word) if ($hash eq $new_hash2); + return ($new_hash3, $word) if ($hash eq $new_hash3); + + return ("invalid", $word); +} + +1;