gmac.h

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    1 /*-
    2  * Copyright (c) 2014 The FreeBSD Foundation
    3  *
    4  * This software was developed by John-Mark Gurney under
    5  * the sponsorship of the FreeBSD Foundation and
    6  * Rubicon Communications, LLC (Netgate).
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1.  Redistributions of source code must retain the above copyright
   11  *     notice, this list of conditions and the following disclaimer.
   12  * 2.  Redistributions in binary form must reproduce the above copyright
   13  *     notice, this list of conditions and the following disclaimer in the
   14  *     documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  *      $FreeBSD$
   29  *
   30  */
   31 
   32 #ifndef _GMAC_H_
   33 #define _GMAC_H_
   34 
   35 #include "gfmult.h"
   36 #include <crypto/rijndael/rijndael.h>
   37 
   38 #define GMAC_BLOCK_LEN  16
   39 #define GMAC_DIGEST_LEN 16
   40 
   41 struct aes_gmac_ctx {
   42         struct gf128table4      ghashtbl;
   43         struct gf128            hash;
   44         uint32_t                keysched[4*(RIJNDAEL_MAXNR + 1)];
   45         uint8_t                 counter[GMAC_BLOCK_LEN];
   46         int                     rounds;
   47 };
   48 
   49 void AES_GMAC_Init(void *);
   50 void AES_GMAC_Setkey(void *, const uint8_t *, u_int);
   51 void AES_GMAC_Reinit(void *, const uint8_t *, u_int);
   52 int AES_GMAC_Update(void *, const void *, u_int);
   53 void AES_GMAC_Final(uint8_t *, void *);
   54 
   55 #endif /* _GMAC_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/opencrypto/gmac.h

FreeBSD/Linux Kernel Cross Reference
sys/opencrypto/gmac.h