You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.0 KiB
90 lines
2.0 KiB
#ifndef __DES_H__
|
|
#define __DES_H__
|
|
|
|
#ifndef RSA32API
|
|
#define RSA32API __stdcall
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct _destable {
|
|
unsigned long keytab[16][2];
|
|
} DESTable;
|
|
|
|
#define DES_TABLESIZE (sizeof(DESTable))
|
|
#define DES_BLOCKLEN (8)
|
|
#define DES_KEYSIZE (8)
|
|
|
|
typedef struct _desxtable {
|
|
unsigned char inWhitening[8];
|
|
unsigned char outWhitening[8];
|
|
DESTable desTable;
|
|
} DESXTable;
|
|
|
|
#define DESX_TABLESIZE (sizeof(DESXTable))
|
|
#define DESX_BLOCKLEN (8)
|
|
#define DESX_KEYSIZE (24)
|
|
|
|
/* In deskey.c:
|
|
|
|
Fill in the DESTable struct with the decrypt and encrypt
|
|
key expansions.
|
|
|
|
Assumes that the second parameter points to DES_BLOCKLEN
|
|
bytes of key.
|
|
|
|
*/
|
|
|
|
void RSA32API deskey(DESTable *,unsigned char *);
|
|
|
|
/* In desport.c:
|
|
|
|
Encrypt or decrypt with the key in DESTable
|
|
|
|
*/
|
|
|
|
void RSA32API des(UCHAR *pbOut, UCHAR *pbIn, void *key, int op);
|
|
|
|
//
|
|
// set the parity on the DES key to be odd
|
|
// NOTE : must be called before deskey
|
|
// key must be cbKey number of bytes
|
|
//
|
|
void RSA32API desparityonkey(UCHAR *pbKey, ULONG cbKey);
|
|
|
|
//
|
|
// reduce the DES key to a 40 bit key
|
|
// NOTE : must be called before deskey
|
|
// key must be 8 bytes
|
|
//
|
|
void RSA32API desreducekey(UCHAR *key);
|
|
|
|
// Expand 40 bit DES key to 64 and check weakness
|
|
// same as desreducekey except expands instead of weakening keys
|
|
void RSA32API deskeyexpand(UCHAR *pbKey, UCHAR *pbExpanded_key);
|
|
|
|
|
|
void
|
|
RSA32API
|
|
desexpand128to192(
|
|
UCHAR *pbKey, // input 128bit or 192bit buffer
|
|
UCHAR *pbExpandedKey // output buffer (must be 192bit wide if pbKey == pbExpandedKey
|
|
);
|
|
|
|
// DES-X routines
|
|
|
|
// initialize desX key struct. key size is 24 bytes
|
|
void RSA32API desxkey(DESXTable *k, UCHAR *key);
|
|
|
|
void RSA32API desx(UCHAR *pbOut, UCHAR *pbIn, void *keyin, int op);
|
|
|
|
|
|
extern int Asmversion; /* 1 if we're linked with an asm version, 0 if C */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // __DES_H__
|