+/* bcal-eax.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 BCALEAX_H_
+#define BCALEAX_H_
+
+#include <stdint.h>
+#include <string.h>
+#include "bcal-basic.h"
+#include "blockcipher_descriptor.h"
+#include "bcal-cmac.h"
+#include "bcal-ctr.h"
+
+typedef struct{
+ uint8_t* nonce;
+ bcal_cmac_ctx_t ntag;
+ bcal_cmac_ctx_t ctag;
+ bcal_cmac_ctx_t htag;
+ bcal_ctr_ctx_t cipher;
+ uint8_t blocksize_B;
+ uint8_t header_set;
+} bcal_eax_ctx_t;
+
+uint8_t bcal_eax_init(const bcdesc_t* desc, const void* key, uint16_t keysize_b, bcal_eax_ctx_t* ctx);
+void bcal_eax_free(bcal_eax_ctx_t* ctx);
+void bcal_eax_loadNonce(const void* nonce, uint16_t length_b, bcal_eax_ctx_t* ctx);
+void bcal_eax_addNextHeader(const void* header, bcal_eax_ctx_t* ctx);
+void bcal_eax_addLastHeader(const void* header, uint16_t length_b, bcal_eax_ctx_t* ctx);
+void bcal_eax_encNextBlock(void* block, bcal_eax_ctx_t* ctx);
+void bcal_eax_encLastBlock(void* block, uint16_t length_b, bcal_eax_ctx_t* ctx);
+void bcal_eax_decNextBlock(void* block, bcal_eax_ctx_t* ctx);
+void bcal_eax_decLastBlock(void* block, uint16_t length_b, bcal_eax_ctx_t* ctx);
+void bcal_eax_ctx2tag(void* dest, uint16_t length_b, bcal_eax_ctx_t* ctx);
+//void bcal_eax(void* dest, uint16_t out_length_b, const void* block, uint32_t length_b, bcal_eax_ctx_t* ctx);
+
+#endif /* BCALEAX_H_ */
+