rijndael.h

AES 128/256位密钥加密算法

#include "types.h"

#define MAXKC			(256/32)
#define MAXROUNDS		14

typedef struct {
    int   ROUNDS;                   /* key-length-dependent number of rounds */
    int decryption_prepared;
    byte  keySched[MAXROUNDS+1][4][4];	/* key schedule		*/
    byte  keySched2[MAXROUNDS+1][4][4];	/* key schedule		*/
} RIJNDAEL_context;

const char *selftest(void);
int rijndael_setkey (void *ctx, const byte *key, const unsigned keylen);
void rijndael_encrypt (void *ctx, byte *b, const byte *a);
void rijndael_decrypt (void *ctx, byte *b, const byte *a);