DeforaNetworks/hashcat
3
0
Fork 0
Code Releases Activity

TrueCrypt/VeraCrypt cracking: Do an entropy check on the TC/VC header on start

Browse Source
This commit is contained in:
jsteube
2018-07-31 16:18:45 +02:00
parent c1ebfe486f
commit bdec457951
7 changed files with 109 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/interface.h
+6
View File
@@ -19,6 +19,12 @@
static const char LM_ZERO_HASH[] = "aad3b435b51404ee";
static const char LM_MASKED_PLAIN[] = "[notfound]";
/**
* entropy check (truecrypt, veracrypt, ...)
*/
static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
/**
* algo specific
*/
include/shared.h
+4
View File
@@ -13,6 +13,7 @@
#include <time.h>
#include <fcntl.h>
#include <ctype.h>
#include <math.h>
bool overflow_check_u32_add (const u32 a, const u32 b);
bool overflow_check_u32_mul (const u32 a, const u32 b);
@@ -70,4 +71,7 @@ u64 round_up_multiple_64 (const u64 v, const u64 m);
void hc_strncat (u8 *dst, u8 *src, const size_t n);
int count_char (const u8 *buf, const int len, const u8 c);
float get_entropy (const u8 *buf, const int len);
#endif // _SHARED_H
include/types.h
+38 -37
View File
@@ -448,43 +448,44 @@ typedef enum outfile_fmt
typedef enum parser_rc
{
PARSER_OK = 0,
PARSER_COMMENT = -1,
PARSER_GLOBAL_ZERO = -2,
PARSER_GLOBAL_LENGTH = -3,
PARSER_HASH_LENGTH = -4,
PARSER_HASH_VALUE = -5,
PARSER_SALT_LENGTH = -6,
PARSER_SALT_VALUE = -7,
PARSER_SALT_ITERATION = -8,
PARSER_SEPARATOR_UNMATCHED = -9,
PARSER_SIGNATURE_UNMATCHED = -10,
PARSER_HCCAPX_FILE_SIZE = -11,
PARSER_HCCAPX_EAPOL_LEN = -12,
PARSER_PSAFE2_FILE_SIZE = -13,
PARSER_PSAFE3_FILE_SIZE = -14,
PARSER_TC_FILE_SIZE = -15,
PARSER_VC_FILE_SIZE = -16,
PARSER_SIP_AUTH_DIRECTIVE = -17,
PARSER_HASH_FILE = -18,
PARSER_HASH_ENCODING = -19,
PARSER_SALT_ENCODING = -20,
PARSER_LUKS_FILE_SIZE = -21,
PARSER_LUKS_MAGIC = -22,
PARSER_LUKS_VERSION = -23,
PARSER_LUKS_CIPHER_TYPE = -24,
PARSER_LUKS_CIPHER_MODE = -25,
PARSER_LUKS_HASH_TYPE = -26,
PARSER_LUKS_KEY_SIZE = -27,
PARSER_LUKS_KEY_DISABLED = -28,
PARSER_LUKS_KEY_STRIPES = -29,
PARSER_LUKS_HASH_CIPHER = -30,
PARSER_HCCAPX_SIGNATURE = -31,
PARSER_HCCAPX_VERSION = -32,
PARSER_HCCAPX_MESSAGE_PAIR = -33,
PARSER_TOKEN_ENCODING = -34,
PARSER_TOKEN_LENGTH = -35,
PARSER_UNKNOWN_ERROR = -255
PARSER_OK = 0,
PARSER_COMMENT = -1,
PARSER_GLOBAL_ZERO = -2,
PARSER_GLOBAL_LENGTH = -3,
PARSER_HASH_LENGTH = -4,
PARSER_HASH_VALUE = -5,
PARSER_SALT_LENGTH = -6,
PARSER_SALT_VALUE = -7,
PARSER_SALT_ITERATION = -8,
PARSER_SEPARATOR_UNMATCHED = -9,
PARSER_SIGNATURE_UNMATCHED = -10,
PARSER_HCCAPX_FILE_SIZE = -11,
PARSER_HCCAPX_EAPOL_LEN = -12,
PARSER_PSAFE2_FILE_SIZE = -13,
PARSER_PSAFE3_FILE_SIZE = -14,
PARSER_TC_FILE_SIZE = -15,
PARSER_VC_FILE_SIZE = -16,
PARSER_SIP_AUTH_DIRECTIVE = -17,
PARSER_HASH_FILE = -18,
PARSER_HASH_ENCODING = -19,
PARSER_SALT_ENCODING = -20,
PARSER_LUKS_FILE_SIZE = -21,
PARSER_LUKS_MAGIC = -22,
PARSER_LUKS_VERSION = -23,
PARSER_LUKS_CIPHER_TYPE = -24,
PARSER_LUKS_CIPHER_MODE = -25,
PARSER_LUKS_HASH_TYPE = -26,
PARSER_LUKS_KEY_SIZE = -27,
PARSER_LUKS_KEY_DISABLED = -28,
PARSER_LUKS_KEY_STRIPES = -29,
PARSER_LUKS_HASH_CIPHER = -30,
PARSER_HCCAPX_SIGNATURE = -31,
PARSER_HCCAPX_VERSION = -32,
PARSER_HCCAPX_MESSAGE_PAIR = -33,
PARSER_TOKEN_ENCODING = -34,
PARSER_TOKEN_LENGTH = -35,
PARSER_INSUFFICIENT_ENTROPY = -36,
PARSER_UNKNOWN_ERROR = -255
} parser_rc_t;