nuttx/include/crypto/cmac.h

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/****************************************************************************
* include/crypto/cmac.h
* $OpenBSD: cmac.h,v 1.3 2017/05/02 17:07:06 mikeb Exp $
*
* Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
****************************************************************************/
#ifndef __INCLUDE_CRYPTO_CMAC_H_
#define __INCLUDE_CRYPTO_CMAC_H_
#define AES_CMAC_KEY_LENGTH 16
#define AES_CMAC_DIGEST_LENGTH 16
typedef struct _AES_CMAC_CTX
{
AES_CTX aesctx;
u_int8_t X[16];
u_int8_t m_last[16];
u_int m_n;
} AES_CMAC_CTX;
void aes_cmac_init(FAR AES_CMAC_CTX *);
void aes_cmac_setkey(FAR AES_CMAC_CTX *, FAR const u_int8_t *);
void aes_cmac_update(FAR AES_CMAC_CTX *, FAR const u_int8_t *, u_int);
void aes_cmac_final(FAR u_int8_t *, FAR AES_CMAC_CTX *);
#endif /* __INCLUDE_CRYPTO_CMAC_H_ */