new makefile and modified build process

[avr-crypto-lib.git] / skein / threefish.h

diff --git a/skein/threefish.h b/skein/threefish.h
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+++ b/skein/threefish.h
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+/* threefish.c */
+/*
+    This file is part of the AVR-Crypto-Lib.
+    Copyright (C) 2009  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    threefish.h
+ * \author  Daniel Otte
+ * \email   daniel.otte@rub.de
+ * \date    2009-03-12
+ * \license GPLv3 or later
+ * \brief   Implementation of the Threefish block cipher
+ * \ingroup Threefish
+ */
+
+#ifndef THREEFISH_H_
+#define THREEFISH_H_
+
+#include <stdint.h>
+
+#define THREEFISH256_BLOCKSIZE 256
+#define THREEFISH256_BLOCKSIZE_B ((THREEFISH256_BLOCKSIZE+7)/8)
+#define THREEFISH512_BLOCKSIZE 512
+#define THREEFISH512_BLOCKSIZE_B ((THREEFISH512_BLOCKSIZE+7)/8)
+#define THREEFISH1024_BLOCKSIZE 1024
+#define THREEFISH1024_BLOCKSIZE_B ((THREEFISH1024_BLOCKSIZE+7)/8)
+
+/** \typedef threefish256_ctx_t
+ * \brief holds key data for Threefish-256
+ *  
+ * A variable of this type may hold the key data for Threefish-256 encryption
+ * or decryption..
+ */
+typedef struct{
+       uint64_t k[5];
+       uint64_t t[3];
+} threefish256_ctx_t;
+
+/** \typedef threefish512_ctx_t
+ * \brief holds key data for Threefish-512
+ *  
+ * A variable of this type may hold the key data for Threefish-512 encryption
+ * or decryption..
+ */
+typedef struct{
+       uint64_t k[9];
+       uint64_t t[3];
+} threefish512_ctx_t;
+
+/** \typedef threefish1024_ctx_t
+ * \brief holds key data for Threefish-1024
+ *  
+ * A variable of this type may hold the key data for Threefish-1024 encryption
+ * or decryption..
+ */
+typedef struct{
+       uint64_t k[17];
+       uint64_t t[3];
+} threefish1024_ctx_t;
+
+
+void threefish_mix(void* data, uint8_t rot);
+void threefish_invmix(void* data, uint8_t rot);
+
+void threefish256_init(const void* key, const void* tweak, threefish256_ctx_t* ctx);
+void threefish512_init(const void* key, const void* tweak, threefish512_ctx_t* ctx);
+void threefish1024_init(const void* key, const void* tweak, threefish1024_ctx_t* ctx);
+
+void threefish256_enc(void* data, const threefish256_ctx_t* ctx);
+void threefish512_enc(void* data, const threefish512_ctx_t* ctx);
+void threefish1024_enc(void* data, const threefish1024_ctx_t* ctx);
+
+void threefish256_dec(void* data, const threefish256_ctx_t* ctx);
+void threefish512_dec(void* data, const threefish512_ctx_t* ctx);
+void threefish1024_dec(void* data, const threefish1024_ctx_t* ctx);
+
+#endif /* THREEFISH_H_ */