X-Git-Url: https://git.cryptolib.org/?p=avr-crypto-lib.git;a=blobdiff_plain;f=aes%2Faes_keyschedule.h;fp=aes%2Faes_keyschedule.h;h=b013971df759b2b74f26d5c40c6e6bedeed94f5b;hp=0000000000000000000000000000000000000000;hb=4f50c75ee5a6cc88bf7ea71957ed509e298e6c25;hpb=7701e318e4e2bac7f84dbf6e368f1501814948fc diff --git a/aes/aes_keyschedule.h b/aes/aes_keyschedule.h new file mode 100644 index 0000000..b013971 --- /dev/null +++ b/aes/aes_keyschedule.h @@ -0,0 +1,75 @@ +/* aes_keyschedule.h */ +/* + This file is part of the AVR-Crypto-Lib. + Copyright (C) 2008 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 . +*/ +/** + * \file aes_keyschedule.h + * \email daniel.otte@rub.de + * \author Daniel Otte + * \date 2008-12-30 + * \license GPLv3 or later + * \ingroup AES + */ + + +#ifndef AES_KEYSCHEDULE_H_ +#define AES_KEYSCHEDULE_H_ + +#include "aes.h" +/** \fn void aes_init(const void* key, uint16_t keysize_b, aes_genctx_t* ctx) + * \brief initialize the keyschedule + * + * This function computes the keyschedule from a given key with a given length + * and stores it in the context variable + * \param key pointer to the key material + * \param keysize_b length of the key in bits (valid are 128, 192 and 256) + * \param ctx pointer to the context where the keyschedule should be stored + */ +void aes_init(const void* key, uint16_t keysize_b, aes_genctx_t* ctx); + +/** \fn void aes128_init(const void* key, aes128_ctx_t* ctx) + * \brief initialize the keyschedule for 128 bit key + * + * This function computes the keyschedule from a given 128 bit key + * and stores it in the context variable + * \param key pointer to the key material + * \param ctx pointer to the context where the keyschedule should be stored + */ +void aes128_init(const void* key, aes128_ctx_t* ctx); + +/** \fn void aes192_init(const void* key, aes192_ctx_t* ctx) + * \brief initialize the keyschedule for 192 bit key + * + * This function computes the keyschedule from a given 192 bit key + * and stores it in the context variable + * \param key pointer to the key material + * \param ctx pointer to the context where the keyschedule should be stored + */ +void aes192_init(const void* key, aes192_ctx_t* ctx); + +/** \fn void aes256_init(const void* key, aes256_ctx_t* ctx) + * \brief initialize the keyschedule for 256 bit key + * + * This function computes the keyschedule from a given 256 bit key + * and stores it in the context variable + * \param key pointer to the key material + * \param ctx pointer to the context where the keyschedule should be stored + */ +void aes256_init(const void* key, aes256_ctx_t* ctx); + +#endif /* AES_KEYSCHEDULE_H_ */ +