adding Keccak

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

diff --git a/keccak/keccak.h b/keccak/keccak.h
new file mode 100644 (file)
index 0000000..6d31e71
--- /dev/null
+++ b/keccak/keccak.h
@@ -0,0 +1,58 @@
+/* keccak.h */
+/*
+    This file is part of the AVR-Crypto-Lib.
+    Copyright (C) 2010 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/>.
+*/
+
+#ifndef KECCAK_H_
+#define KECCAK_H_
+
+#include <stdint.h>
+
+#define KECCAK224_BLOCKSIZE 1152
+#define KECCAK224_BLOCKSIZE_B (KECCAK224_BLOCKSIZE/8)
+#define KECCAK256_BLOCKSIZE 1088
+#define KECCAK256_BLOCKSIZE_B (KECCAK256_BLOCKSIZE/8)
+#define KECCAK384_BLOCKSIZE  832
+#define KECCAK384_BLOCKSIZE_B (KECCAK384_BLOCKSIZE/8)
+#define KECCAK512_BLOCKSIZE  576
+#define KECCAK512_BLOCKSIZE_B (KECCAK512_BLOCKSIZE/8)
+
+typedef struct{
+       uint64_t a[5][5];
+       uint16_t r, c;
+       uint8_t  d, bs;
+} keccak_ctx_t;
+
+
+void keccak_dump_ctx(keccak_ctx_t* ctx);
+
+void keccak_init(uint16_t r, uint16_t c, uint8_t d, keccak_ctx_t* ctx);
+void keccak224_init(keccak_ctx_t* ctx);
+void keccak256_init(keccak_ctx_t* ctx);
+void keccak384_init(keccak_ctx_t* ctx);
+void keccak512_init(keccak_ctx_t* ctx);
+
+void keccak_nextBlock(keccak_ctx_t* ctx, const void* block);
+void keccak_lastBlock(keccak_ctx_t* ctx, const void* block, uint16_t length_b);
+
+void keccak_ctx2hash(void* dest, uint16_t length_b, keccak_ctx_t* ctx);
+void keccak224_ctx2hash(void* dest, keccak_ctx_t* ctx);
+void keccak256_ctx2hash(void* dest, keccak_ctx_t* ctx);
+void keccak384_ctx2hash(void* dest, keccak_ctx_t* ctx);
+void keccak512_ctx2hash(void* dest, keccak_ctx_t* ctx);
+
+#endif /* KECCAK_H_ */