lc_aes.h

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/*
 * Copyright (C) 2022 - 2024, Stephan Mueller <smueller@chronox.de>
 *
 * License: see LICENSE file in root directory
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
 * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
/*
 * This code is derived in parts from the code distribution provided with
 * https://github.com/kokke/tiny-AES-c
 *
 * This is free and unencumbered software released into the public domain.
 */
 
#ifndef LC_AES_H
#define LC_AES_H
 
#include "lc_sym.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* AES ECB mode */
extern const struct lc_sym *lc_aes_ecb;
 
/* AES CBC mode */
extern const struct lc_sym *lc_aes_cbc;
 
/* AES CTR mode */
extern const struct lc_sym *lc_aes_ctr;
 
/* AES KW mode */
extern const struct lc_sym *lc_aes_kw;
 
void lc_aes_kw_encrypt(struct lc_sym_ctx *ctx, const uint8_t *in, uint8_t *out,
                       size_t len);
 
int lc_aes_kw_decrypt(struct lc_sym_ctx *ctx, const uint8_t *in, uint8_t *out,
                      size_t len);
 
#ifdef __cplusplus
}
#endif
 
#endif /* LC_AES_H */