- void (*setcskey) (unsigned char *key);
- void (*setsckey) (unsigned char *key);
- void (*generate) (unsigned char *blk, int len, unsigned long seq);
- int (*verify) (unsigned char *blk, int len, unsigned long seq);
+ void *(*make_context)(void);
+ void (*free_context)(void *);
+ void (*setkey) (void *, unsigned char *key);
+ void (*generate) (void *, unsigned char *blk, int len, unsigned long seq);
+ int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);