void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,                              const unsigned long length, const AES_KEY *key,                             unsigned char *ivec, int *num, const int enc);   void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,                              const unsigned long length, const AES_KEY *key,                             unsigned char *ivec, int *num, const int enc);   void AES_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,                              const int nbits,const AES_KEY *key,                             unsigned char *ivec,const int enc);  |