+RC6

[avr-crypto-lib.git] / rc6.h

diff --git a/rc6.h b/rc6.h
new file mode 100644 (file)
index 0000000..35887bc
--- /dev/null
+++ b/rc6.h
@@ -0,0 +1,28 @@
+/* 
+ * 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); 
+