insereated GPLv3 stub

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

diff --git a/rc6.h b/rc6.h
index 35887bc44be8ae900fbc5ed07e2c653274b82a18..742830e6dc09d12fa63882f2ba51605dce343436 100644 (file)
--- a/rc6.h
+++ b/rc6.h
@@ -1,3 +1,21 @@
+/* rc6.h */
+/*
+    This file is part of the Crypto-avr-lib/microcrypt-lib.
+    Copyright (C) 2008  Daniel Otte (daniel.otte@rub.de)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
 /* 
  * File:       rc6.h
  * Author:     Daniel Otte
@@ -7,22 +25,28 @@
  *     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
  */
+
+#ifndef RC6_H_
+#define RC6_H_
+
  
- #include <stdint.h>
+#include <stdint.h>
  
- typedef struct rc6_ctx_st{
-       uint8_t         rounds;         /* specifys the number of rounds; default: 20 */
+typedef struct rc6_ctx_st{
+       uint8_t         rounds;         /* specifys the number of rounds; default: 20 */
        uint32_t*       S;                      /* the round-keys */
- } rc6_ctx_t;
- 
+} 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);
+uint8_t rc6_init(void* key, uint16_t keylength_b, rc6_ctx_t *s);
  
- void rc6_enc(rc6_ctx_t *s, void* block);
+uint8_t rc6_initl(void* key, uint16_t keylength_b, uint8_t rounds, rc6_ctx_t *s);
  
- void rc6_dec(rc6_ctx_t *s, void* block);
+void rc6_enc(void* block, rc6_ctx_t *s);
+
+void rc6_dec(void* block, rc6_ctx_t *s);
  
- void rc6_free(rc6_ctx_t *s); 
+void rc6_free(rc6_ctx_t *s); 
+
+#endif /* RC6_H_ */