modified structure

[avr-crypto-lib.git] / bmw / bmw_small.h

diff --git a/bmw/bmw_small.h b/bmw/bmw_small.h
new file mode 100644 (file)
index 0000000..f314712
--- /dev/null
+++ b/bmw/bmw_small.h
@@ -0,0 +1,65 @@
+/* bmw_small.h */
+/*
+    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    bmw_small.h
+ * \author  Daniel Otte
+ * \email   daniel.otte@rub.de
+ * \date    2009-04-27
+ * \license GPLv3 or later
+ * 
+ */
+#ifndef BMW_SMALL_H_
+#define BMW_SMALL_H_
+
+#include <stdint.h>
+
+#define BMW_SMALL_BLOCKSIZE   512
+#define BMW_SMALL_BLOCKSIZE_B ((BMW_SMALL_BLOCKSIZE+7)/8)
+#define BMW224_BLOCKSIZE      BMW_SMALL_BLOCKSIZE
+#define BMW224_BLOCKSIZE_B    BMW_SMALL_BLOCKSIZE_B
+#define BMW256_BLOCKSIZE      BMW_SMALL_BLOCKSIZE
+#define BMW256_BLOCKSIZE_B    BMW_SMALL_BLOCKSIZE_B
+
+typedef struct {
+       uint32_t h[16];
+       uint32_t counter;
+} bmw_small_ctx_t;
+
+typedef bmw_small_ctx_t bmw224_ctx_t;
+typedef bmw_small_ctx_t bmw256_ctx_t;
+
+void bmw224_init(bmw224_ctx_t* ctx);
+void bmw256_init(bmw256_ctx_t* ctx);
+
+void bmw_small_nextBlock(bmw_small_ctx_t* ctx, const void* block);
+void bmw_small_lastBlock(bmw_small_ctx_t* ctx, const void* block, uint16_t length_b);
+
+void bmw224_nextBlock(bmw224_ctx_t* ctx, const void* block);
+void bmw224_lastBlock(bmw224_ctx_t* ctx, const void* block, uint16_t length_b);
+
+void bmw256_nextBlock(bmw256_ctx_t* ctx, const void* block);
+void bmw256_lastBlock(bmw256_ctx_t* ctx, const void* block, uint16_t length_b);
+
+void bmw224_ctx2hash(void* dest, const bmw224_ctx_t* ctx);
+void bmw256_ctx2hash(void* dest, const bmw256_ctx_t* ctx);
+
+void bmw224(void* dest, const void* msg, uint32_t length_b);
+void bmw256(void* dest, const void* msg, uint32_t length_b);
+
+#endif /* BMW_SMALL_H_ */