/*
 *
 * Encryption Header. Function prototypes and defines for encrypted MSUAM authentication
 *
 */
 
#ifndef DECR_KEY
#define DECR_KEY  0
#define ENCR_KEY  1
#define ENCR_STD  2
#define ENCR_SES  4
#endif
#define ENCR_RESULT_LENGTH  24
#define ENCRYPT 0
#define DECRYPT 1
#define LOCK_CRYPT()       0
#define UNLOCK_CRYPT()     0

#define StdEncrPwd "KGS!@#$%"

#define GETBIT(p, bit)     (unsigned char) ((p[bit >> 3] >> (7 - (bit & 07))) & 01)

void 			UprCString(char* psz);
unsigned char 	*OneWayFunction(unsigned char *pucPwd, unsigned char *pucDest, short scb);
unsigned char 	*Encrypt(unsigned char *key, unsigned char *source, unsigned char *dest);
unsigned pascal CryptIOCTL2(unsigned, unsigned char *, unsigned char *, unsigned char *);
//short pascal 	DES_CBC( unsigned, unsigned char *, unsigned char *, unsigned char *, unsigned char *, unsigned);
//void  			setkey(unsigned char *key);
Boolean			SetupUAMEncrypt( void );
void 			CleanupUAMEncrypt( void );

/*-------------------------------------------------------------------*\
		The DES key table (schedule). Generated from the key.
\*-------------------------------------------------------------------*/
typedef struct _KeyTbl
{
 	unsigned char   KS[16][48];
} KeyTbl;

void  			InitKey( unsigned char *Key, KeyTbl * );
void  			des(unsigned char *inbuf, unsigned char *outbuf, KeyTbl *, int crypt_mode);
void 			key_table(unsigned char  *key, KeyTbl *generatedKeyTable);
void 			des_cipher(unsigned char  *block, KeyTbl *keySchedule, int crypt_mode);