* Note: the length must be a multiple of 16 bytes
*/
void process(const uint8_t *in, uint8_t *out, int length);
+ void encryptCTR(const uint8_t *in, uint8_t *out, int length);
void encryptCBC(const uint8_t *in, uint8_t *out, int length);
void decryptCBC(const uint8_t *in, uint8_t *out, int length);
void convertKey();