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