mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-27 00:48:13 +00:00
340 lines
16 KiB
C
340 lines
16 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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#include "memory.h"
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#include "cpu_crc32.h"
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#include "keyboard_layout.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_8;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_FDE;
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static const char *HASH_NAME = "VeraCrypt SHA256 + XTS 1536 bit";
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static const u64 KERN_TYPE = 13753;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
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static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
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| OPTS_TYPE_BINARY_HASHFILE
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| OPTS_TYPE_COPY_TMPS;
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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 = "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";
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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 vc_tmp
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{
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u32 ipad[16];
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u32 opad[16];
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u32 dgst[64];
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u32 out[64];
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u32 pim_key[64];
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int pim; // marker for cracked
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} vc_tmp_t;
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typedef struct vc
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{
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u32 salt_buf[32];
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u32 data_buf[112];
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u32 keyfile_buf[16];
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u32 signature;
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keyboard_layout_mapping_t keyboard_layout_mapping_buf[256];
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int keyboard_layout_mapping_cnt;
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int pim_multi; // 2048 for boot (not SHA-512 or Whirlpool), 1000 for others
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int pim_start;
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int pim_stop;
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} vc_t;
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static const int ROUNDS_VERACRYPT_500000 = 500000;
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static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
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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)
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{
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const vc_tmp_t *vc_tmp = (const vc_tmp_t *) tmps;
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if (vc_tmp->pim == 0)
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{
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return snprintf ((char *) dst_buf, dst_sz, "%s", (char *) src_buf);
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}
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else
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{
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return snprintf ((char *) dst_buf, dst_sz, "%s (PIM=%d)", (char *) src_buf, vc_tmp->pim - 15);
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}
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}
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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)
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{
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const bool potfile_disable = true;
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return potfile_disable;
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}
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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)
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{
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const bool outfile_check_disable = true;
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return outfile_check_disable;
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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 (vc_t);
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return esalt_size;
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}
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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 (vc_tmp_t);
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return tmp_size;
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}
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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)
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{
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const u32 kernel_loops_max = 1000; // lowest PIM multiplier
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return kernel_loops_max;
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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 64
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const u32 pw_max = 64;
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return pw_max;
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}
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int module_hash_init_selftest (MAYBE_UNUSED const hashconfig_t *hashconfig, hash_t *hash)
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{
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const size_t st_hash_len = strlen (hashconfig->st_hash);
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char *tmpdata = (char *) hcmalloc (st_hash_len / 2);
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for (size_t i = 0, j = 0; j < st_hash_len; i += 1, j += 2)
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{
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const u8 c = hex_to_u8 ((const u8 *) hashconfig->st_hash + j);
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tmpdata[i] = c;
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}
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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);
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hcfree (tmpdata);
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return parser_status;
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}
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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)
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{
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// note: if module_hash_binary_parse exists, then module_hash_decode is not called
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FILE *fp = fopen (hashes->hashfile, "rb");
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if (fp == NULL) return (PARSER_HASH_FILE);
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#define VC_HEADER_SIZE 512
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char *in = (char *) hcmalloc (VC_HEADER_SIZE);
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const size_t n = hc_fread (in, 1, VC_HEADER_SIZE, fp);
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fclose (fp);
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if (n != VC_HEADER_SIZE) return (PARSER_VC_FILE_SIZE);
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hash_t *hashes_buf = hashes->hashes_buf;
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hash_t *hash = &hashes_buf[0];
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const int parser_status = module_hash_decode (hashconfig, hash->digest, hash->salt, hash->esalt, hash->hook_salt, hash->hash_info, in, VC_HEADER_SIZE);
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if (parser_status != PARSER_OK) return 0;
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hcfree (in);
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// keyfiles
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vc_t *vc = (vc_t *) hash->esalt;
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if (user_options->veracrypt_keyfiles)
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{
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char *keyfiles = hcstrdup (user_options->veracrypt_keyfiles);
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char *saveptr = NULL;
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char *keyfile = strtok_r (keyfiles, ",", &saveptr);
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while (keyfile)
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{
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if (hc_path_read (keyfile))
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{
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cpu_crc32 (keyfile, (u8 *) vc->keyfile_buf);
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}
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keyfile = strtok_r ((char *) NULL, ",", &saveptr);
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}
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free (keyfiles);
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}
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// keyboard layout mapping
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if (user_options->keyboard_layout_mapping)
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{
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if (hc_path_read (user_options->keyboard_layout_mapping))
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{
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initialize_keyboard_layout_mapping (user_options->keyboard_layout_mapping, vc->keyboard_layout_mapping_buf, &vc->keyboard_layout_mapping_cnt);
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}
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}
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// veracrypt PIM
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salt_t *salt = hash->salt;
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if ((user_options->veracrypt_pim_start) && (user_options->veracrypt_pim_stop))
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{
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vc->pim_start = 15 + user_options->veracrypt_pim_start;
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vc->pim_stop = 15 + user_options->veracrypt_pim_stop;
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salt->salt_iter = vc->pim_stop * 1000;
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salt->salt_iter--;
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}
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return 1;
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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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vc_t *vc = (vc_t *) esalt_buf;
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const float entropy = get_entropy ((const u8 *) line_buf, line_len);
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if (entropy < MIN_SUFFICIENT_ENTROPY_FILE) return (PARSER_INSUFFICIENT_ENTROPY);
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memcpy (vc->salt_buf, line_buf, 64);
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memcpy (vc->data_buf, line_buf + 64, 512 - 64);
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salt->salt_buf[0] = vc->salt_buf[0];
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salt->salt_len = 4;
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salt->salt_iter = ROUNDS_VERACRYPT_500000;
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salt->salt_iter--;
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vc->pim_multi = 1000;
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vc->pim_start = 0;
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vc->pim_stop = 0;
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vc->signature = 0x41524556; // "VERA"
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digest[0] = vc->data_buf[0];
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return (PARSER_OK);
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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_salt = MODULE_DEFAULT;
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module_ctx->module_build_plain_postprocess = module_build_plain_postprocess;
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module_ctx->module_deep_comp_kernel = 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_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_hash_binary_parse;
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module_ctx->module_hash_binary_save = 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_DEFAULT;
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module_ctx->module_hash_init_selftest = module_hash_init_selftest;
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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_hlfmt_disable = 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_kernel_loops_max;
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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_outfile_check_disable;
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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_potfile_disable;
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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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