X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=bcal-ofb.h;fp=bcal-ofb.h;h=aa69c05d87dde27ed92fa3233752d37b8849298d;hb=3f2f2071c47e2e424af71cc85697f3eb26c24277;hp=0000000000000000000000000000000000000000;hpb=33a28395461ecd0c1c7820f59e180f8f2ca9216f;p=arm-crypto-lib.git

diff --git a/bcal-ofb.h b/bcal-ofb.h
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+/* bcal-ofb.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 BCALOFB_H_
+#define BCALOFB_H_
+
+#include <stdint.h>
+#include "bcal-basic.h"
+#include "blockcipher_descriptor.h"
+
+
+typedef struct{
+	bcdesc_t*    desc;
+	bcgen_ctx_t  cctx;
+	uint8_t*     in_block;
+	uint8_t      blocksize_B;
+} bcal_ofb_ctx_t;
+
+
+uint8_t bcal_ofb_init(const bcdesc_t* desc, const void* key, uint16_t keysize_b, bcal_ofb_ctx_t* ctx);
+void bcal_ofb_free(bcal_ofb_ctx_t* ctx);
+void bcal_ofb_loadIV(const void* iv, bcal_ofb_ctx_t* ctx);
+void bcal_ofb_encNext(void* block, bcal_ofb_ctx_t* ctx);
+void bcal_ofb_decNext(void* block, bcal_ofb_ctx_t* ctx);
+void bcal_ofb_encMsg(const void* iv, void* msg, uint32_t msg_len_b, bcal_ofb_ctx_t* ctx);
+void bcal_ofb_decMsg(const void* iv, void* msg, uint32_t msg_len_b, bcal_ofb_ctx_t* ctx);
+
+
+#endif /* BCALOFB_H_ */