X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=bcal-cmac.h;fp=bcal-cmac.h;h=be699b66155ce6f2f0df8a91d13b4574cc02d540;hb=3f2f2071c47e2e424af71cc85697f3eb26c24277;hp=0000000000000000000000000000000000000000;hpb=33a28395461ecd0c1c7820f59e180f8f2ca9216f;p=arm-crypto-lib.git diff --git a/bcal-cmac.h b/bcal-cmac.h new file mode 100644 index 0000000..be699b6 --- /dev/null +++ b/bcal-cmac.h @@ -0,0 +1,45 @@ +/* bcal-cmac.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 . +*/ + +#ifndef BCALCMAC_H_ +#define BCALCMAC_H_ + +#include +#include "bcal-basic.h" +#include "blockcipher_descriptor.h" + +typedef struct{ + bcdesc_t* desc; + bcgen_ctx_t cctx; + uint8_t* accu; + uint8_t* k1; + uint8_t* k2; + uint8_t* lastblock; + uint8_t last_set; + uint8_t blocksize_B; +} bcal_cmac_ctx_t; + +uint8_t bcal_cmac_init(const bcdesc_t* desc, const void* key, uint16_t keysize_b, bcal_cmac_ctx_t* ctx); +void bcal_cmac_free(bcal_cmac_ctx_t* ctx); +void bcal_cmac_nextBlock(bcal_cmac_ctx_t* ctx, const void* block); +void bcal_cmac_lastBlock(bcal_cmac_ctx_t* ctx, const void* block, uint16_t length_b); +void bcal_cmac_ctx2mac(void* dest, uint16_t length_b, const bcal_cmac_ctx_t* ctx); +void bcal_cmac(void* dest, uint16_t out_length_b, const void* block, uint32_t length_b, bcal_cmac_ctx_t* ctx); + +#endif /* BCALCMAC_H_ */