--- /dev/null
+/* shabal.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 shabal.h
+ * \author Daniel Otte
+ * \email daniel.otte@rub.de
+ * \date 2009-04-17
+ * \license GPLv3 or later
+ *
+ */
+
+#ifndef SHABAL_H_
+#define SHABAL_H_
+
+#include <stdint.h>
+
+#define SHABAL_BLOCKSIZE 512
+#define SHABAL_BLOCKSIZE_B ((SHABAL_BLOCKSIZE+7)/8)
+
+#define SHABAL_R 12
+#define SHABAL_P 3
+
+typedef struct{
+ union{
+ uint64_t w64;
+ uint32_t w32[2];
+ } w; /* the counter */
+ uint32_t a[SHABAL_R];
+ uint32_t *b;
+ uint32_t b_buffer[16];
+ uint32_t *c;
+ uint32_t c_buffer[16];
+}shabal_ctx_t;
+
+
+void shabal192_init(shabal_ctx_t* ctx);
+void shabal224_init(shabal_ctx_t* ctx);
+void shabal256_init(shabal_ctx_t* ctx);
+void shabal384_init(shabal_ctx_t* ctx);
+void shabal512_init(shabal_ctx_t* ctx);
+
+void shabal_nextBlock(shabal_ctx_t* ctx, const void* block);
+void shabal_lastBlock(shabal_ctx_t* ctx, const void* block, uint16_t length_b);
+
+void shabal192_ctx2hash(void* dest, const shabal_ctx_t* ctx);
+void shabal224_ctx2hash(void* dest, const shabal_ctx_t* ctx);
+void shabal256_ctx2hash(void* dest, const shabal_ctx_t* ctx);
+void shabal384_ctx2hash(void* dest, const shabal_ctx_t* ctx);
+void shabal512_ctx2hash(void* dest, const shabal_ctx_t* ctx);
+
+void shabal192(void* dest, void* msg, uint32_t length_b);
+void shabal224(void* dest, void* msg, uint32_t length_b);
+void shabal256(void* dest, void* msg, uint32_t length_b);
+void shabal384(void* dest, void* msg, uint32_t length_b);
+void shabal512(void* dest, void* msg, uint32_t length_b);
+
+#endif /* SHABAL_H_ */