X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=bcal%2Fbcal-ctr.h;fp=bcal%2Fbcal-ctr.h;h=55de4854e65b78fa8e8e735adb90855f4c8a79aa;hb=d70d1d77bab1a5f5278227d674bc59da0378fe15;hp=0000000000000000000000000000000000000000;hpb=d00ed9a275c69fa3512007452e479abd98dbe745;p=arm-crypto-lib.git

diff --git a/bcal/bcal-ctr.h b/bcal/bcal-ctr.h
new file mode 100644
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+++ b/bcal/bcal-ctr.h
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+/* bcal-ctr.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 BCALCTR_H_
+#define BCALCTR_H_
+
+#include <stdint.h>
+#include "bcal-basic.h"
+#include "blockcipher_descriptor.h"
+
+typedef void(*inc_fp_t)(void* block, uint8_t size_B);
+
+typedef struct{
+	bcdesc_t*    desc;
+	bcgen_ctx_t  cctx;
+	uint8_t*     in_block;
+	inc_fp_t     inc_func;
+	uint8_t      blocksize_B;
+} bcal_ctr_ctx_t;
+
+uint8_t bcal_ctr_init(const bcdesc_t* desc, const void* key, uint16_t keysize_b, inc_fp_t inc_func, bcal_ctr_ctx_t* ctx);
+void bcal_ctr_free(bcal_ctr_ctx_t* ctx);
+void bcal_ctr_loadIV(const void* iv, bcal_ctr_ctx_t* ctx);
+void bcal_ctr_encNext(void* block, bcal_ctr_ctx_t* ctx);
+void bcal_ctr_decNext(void* block, bcal_ctr_ctx_t* ctx);
+void bcal_ctr_encMsg(const void* iv, void* msg, uint32_t msg_len_b, bcal_ctr_ctx_t* ctx);
+void bcal_ctr_decMsg(const void* iv, void* msg, uint32_t msg_len_b, bcal_ctr_ctx_t* ctx);
+
+#endif /* BCALCTR_H_ */