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- /*-
- * Copyright (c) 2014 The FreeBSD Foundation
- * All rights reserved.
- *
- * This software was developed by John-Mark Gurney under
- * the sponsorship of the FreeBSD Foundation and
- * Rubicon Communications, LLC (Netgate).
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 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 ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- *
- */
- #ifndef _GMAC_H_
- #define _GMAC_H_
- #include "gfmult.h"
- #include <crypto/rijndael/rijndael.h>
- #define GMAC_BLOCK_LEN 16
- #define GMAC_DIGEST_LEN 16
- struct aes_gmac_ctx {
- struct gf128table4 ghashtbl;
- struct gf128 hash;
- uint32_t keysched[4*(RIJNDAEL_MAXNR + 1)];
- uint8_t counter[GMAC_BLOCK_LEN];
- int rounds;
- };
- void AES_GMAC_Init(void *);
- void AES_GMAC_Setkey(void *, const uint8_t *, u_int);
- void AES_GMAC_Reinit(void *, const uint8_t *, u_int);
- int AES_GMAC_Update(void *, const void *, u_int);
- void AES_GMAC_Final(uint8_t *, void *);
- #endif /* _GMAC_H_ */
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