/* 
 * File:	rc6.h
 * Author:	Daniel Otte
 * Date: 	06.08.2006
 * License: GPL
 * Description: Implementation of the RC6 cipher algorithm.
 * 	This implementation is restricted to 32-bit words, but free in the choice of number of rounds (0 to 255).
 * 	so it is RC6-32/r/b
 */
 
 #include <stdint.h>
 
 typedef struct rc6_ctx_st{
 	uint8_t		rounds;		/* specifys the number of rounds; default: 20 */
 	uint32_t*	S;			/* the round-keys */
 } rc6_ctx_t;
 
 
 uint8_t rc6_init(rc6_ctx_t *s,void* key, uint16_t keylength);
 
 uint8_t rc6_initl(rc6_ctx_t *s,void* key, uint16_t keylength, uint8_t rounds);
 
 void rc6_enc(rc6_ctx_t *s, void* block);
 
 void rc6_dec(rc6_ctx_t *s, void* block);
 
 void rc6_free(rc6_ctx_t *s);