mirror of
https://github.com/hashcat/hashcat.git
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795674c939
Signed-off-by: Rosen Penev <rosenp@gmail.com>
275 lines
13 KiB
C
275 lines
13 KiB
C
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "modules.h"
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#include "bitops.h"
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#include "convert.h"
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#include "shared.h"
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static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL;
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static const u32 DGST_POS0 = 0;
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static const u32 DGST_POS1 = 1;
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static const u32 DGST_POS2 = 2;
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static const u32 DGST_POS3 = 3;
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static const u32 DGST_SIZE = DGST_SIZE_4_4;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_FDE;
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static const char *HASH_NAME = "BestCrypt v3 Volume Encryption";
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static const u64 KERN_TYPE = 23900;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
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static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
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| OPTS_TYPE_PT_GENERATE_LE
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| OPTS_TYPE_ST_HEX;
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static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
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static const char *ST_PASS = "hashcat";
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static const char *ST_HASH = "$bcve$3$08$234b8182cee7098b$35c12ef76a1e88175c4c222da3558310a0075bc7a06ecf46746d149c02a81fb8a97637d1103d2e13ddd5deaf982889594b18c12d7ca18a54875c5da4a47f90ae615ab94b8e3ed9e3c793d872a1b5ac35cfdb66c221d6d0853e9ff2e0f4435b43";
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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typedef struct bestcrypt_tmp
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{
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u32 salt_pw_buf[33];
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u32 out[8];
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} bestcrypt_tmp_t;
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typedef struct bestcrypt
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{
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u32 data[24];
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} bestcrypt_t;
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static const char *SIGNATURE_BESTCRYPT = "$bcve$";
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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)
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{
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const u64 tmp_size = (const u64) sizeof (bestcrypt_tmp_t);
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return tmp_size;
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}
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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)
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{
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const u64 esalt_size = (const u64) sizeof (bestcrypt_t);
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return esalt_size;
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}
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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)
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{
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// this overrides the reductions of PW_MAX in case optimized kernel is selected
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// IOW, even in optimized kernel mode it support length 56
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const u32 pw_max = 56;
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return pw_max;
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}
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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)
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{
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u32 *digest = (u32 *) digest_buf;
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bestcrypt_t *bestcrypt = (bestcrypt_t *) esalt_buf;
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hc_token_t token;
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memset (&token, 0, sizeof (hc_token_t));
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token.token_cnt = 5;
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token.signatures_cnt = 1;
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token.signatures_buf[0] = SIGNATURE_BESTCRYPT;
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token.len[0] = 6;
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token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_SIGNATURE;
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token.sep[1] = '$';
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token.len[1] = 1;
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token.attr[1] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_DIGIT;
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token.sep[2] = '$';
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token.len[2] = 2;
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token.attr[2] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_HEX;
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token.sep[3] = '$';
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token.len[3] = 16;
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token.attr[3] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_HEX;
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token.len[4] = 192;
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token.attr[4] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_HEX;
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const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
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if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
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const u8 *format_type_pos = token.buf[1];
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if (format_type_pos[0] != '3') return (PARSER_SALT_VALUE);
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const u8 *crypto_type_pos = token.buf[2];
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if (crypto_type_pos[0] != '0') return (PARSER_SALT_VALUE);
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if (crypto_type_pos[1] != '8') return (PARSER_SALT_VALUE);
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salt->salt_iter = 1;
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// salt
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const u8 *salt_pos = token.buf[3];
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const int salt_len = token.len[3];
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const bool parse_rc = generic_salt_decode (hashconfig, salt_pos, salt_len, (u8 *) salt->salt_buf, (int *) &salt->salt_len);
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if (parse_rc == false) return (PARSER_SALT_LENGTH);
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salt->salt_buf[0] = byte_swap_32 (salt->salt_buf[0]);
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salt->salt_buf[1] = byte_swap_32 (salt->salt_buf[1]);
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// data
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const u8 *data_pos = token.buf[4];
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const int data_len = token.len[4];
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hex_decode (data_pos, data_len, (u8 *) bestcrypt->data);
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// fake digest
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digest[0] = bestcrypt->data[16]; // the encrypted checksum
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digest[1] = bestcrypt->data[17];
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digest[2] = bestcrypt->data[18];
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digest[3] = bestcrypt->data[19];
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return (PARSER_OK);
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}
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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)
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{
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const bestcrypt_t *bestcrypt = (const bestcrypt_t *) esalt_buf;
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// salt
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u32 tmp_salt[4] = { 0 };
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tmp_salt[0] = byte_swap_32 (salt->salt_buf[0]);
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tmp_salt[1] = byte_swap_32 (salt->salt_buf[1]);
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char salt_hex[17] = { 0 };
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generic_salt_encode (hashconfig, (const u8 *) tmp_salt, (const int) salt->salt_len, (u8 *) salt_hex);
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// data
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u8 data_hex[193] = { 0 };
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hex_encode ((const u8 *) bestcrypt->data, 96, data_hex);
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int out_len = snprintf (line_buf, line_size, "%s3$08$%s$%s",
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SIGNATURE_BESTCRYPT,
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salt_hex,
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data_hex
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);
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return out_len;
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}
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void module_init (module_ctx_t *module_ctx)
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{
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module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
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module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
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module_ctx->module_attack_exec = module_attack_exec;
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module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
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module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
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module_ctx->module_benchmark_mask = MODULE_DEFAULT;
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module_ctx->module_benchmark_charset = MODULE_DEFAULT;
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module_ctx->module_benchmark_salt = MODULE_DEFAULT;
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module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
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module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
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module_ctx->module_deprecated_notice = MODULE_DEFAULT;
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module_ctx->module_dgst_pos0 = module_dgst_pos0;
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module_ctx->module_dgst_pos1 = module_dgst_pos1;
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module_ctx->module_dgst_pos2 = module_dgst_pos2;
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module_ctx->module_dgst_pos3 = module_dgst_pos3;
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module_ctx->module_dgst_size = module_dgst_size;
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module_ctx->module_dictstat_disable = MODULE_DEFAULT;
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module_ctx->module_esalt_size = module_esalt_size;
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module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
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module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
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module_ctx->module_extra_tuningdb_block = MODULE_DEFAULT;
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module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
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module_ctx->module_hash_binary_count = MODULE_DEFAULT;
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module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
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module_ctx->module_hash_binary_save = MODULE_DEFAULT;
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module_ctx->module_hash_decode_postprocess = MODULE_DEFAULT;
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module_ctx->module_hash_decode_potfile = MODULE_DEFAULT;
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module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
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module_ctx->module_hash_decode = module_hash_decode;
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module_ctx->module_hash_encode_status = MODULE_DEFAULT;
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module_ctx->module_hash_encode_potfile = MODULE_DEFAULT;
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module_ctx->module_hash_encode = module_hash_encode;
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module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
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module_ctx->module_hash_mode = MODULE_DEFAULT;
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module_ctx->module_hash_category = module_hash_category;
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module_ctx->module_hash_name = module_hash_name;
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module_ctx->module_hashes_count_min = MODULE_DEFAULT;
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module_ctx->module_hashes_count_max = MODULE_DEFAULT;
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module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_size = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_init = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_term = MODULE_DEFAULT;
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module_ctx->module_hook12 = MODULE_DEFAULT;
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module_ctx->module_hook23 = MODULE_DEFAULT;
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module_ctx->module_hook_salt_size = MODULE_DEFAULT;
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module_ctx->module_hook_size = MODULE_DEFAULT;
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module_ctx->module_jit_build_options = MODULE_DEFAULT;
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module_ctx->module_jit_cache_disable = MODULE_DEFAULT;
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module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
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module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
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module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
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module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
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module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
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module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
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module_ctx->module_kern_type = module_kern_type;
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module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
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module_ctx->module_opti_type = module_opti_type;
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module_ctx->module_opts_type = module_opts_type;
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module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
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module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
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module_ctx->module_potfile_custom_check = MODULE_DEFAULT;
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module_ctx->module_potfile_disable = MODULE_DEFAULT;
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module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
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module_ctx->module_pwdump_column = MODULE_DEFAULT;
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module_ctx->module_pw_max = module_pw_max;
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module_ctx->module_pw_min = MODULE_DEFAULT;
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module_ctx->module_salt_max = MODULE_DEFAULT;
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module_ctx->module_salt_min = MODULE_DEFAULT;
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module_ctx->module_salt_type = module_salt_type;
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module_ctx->module_separator = MODULE_DEFAULT;
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module_ctx->module_st_hash = module_st_hash;
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module_ctx->module_st_pass = module_st_pass;
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module_ctx->module_tmp_size = module_tmp_size;
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module_ctx->module_unstable_warning = MODULE_DEFAULT;
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module_ctx->module_warmup_disable = MODULE_DEFAULT;
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}
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