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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/sha2/sha256.h>
#include <crypto/sha2/sha384.h>
#include <crypto/sha2/sha512.h>
#include <opencrypto/xform_auth.h>
static int SHA256Update_int(void *, const u_int8_t *, u_int16_t);
static int SHA384Update_int(void *, const u_int8_t *, u_int16_t);
static int SHA512Update_int(void *, const u_int8_t *, u_int16_t);
/* Authentication instances */
struct auth_hash auth_hash_hmac_sha2_256 = {
CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256",
SHA2_256_HMAC_KEY_LEN, SHA2_256_HASH_LEN, sizeof(SHA256_CTX),
SHA2_256_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA256_Init, NULL, NULL, SHA256Update_int,
(void (*)(u_int8_t *, void *)) SHA256_Final
};
struct auth_hash auth_hash_hmac_sha2_384 = {
CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384",
SHA2_384_HMAC_KEY_LEN, SHA2_384_HASH_LEN, sizeof(SHA384_CTX),
SHA2_384_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA384_Init, NULL, NULL, SHA384Update_int,
(void (*)(u_int8_t *, void *)) SHA384_Final
};
struct auth_hash auth_hash_hmac_sha2_512 = {
CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512",
SHA2_512_HMAC_KEY_LEN, SHA2_512_HASH_LEN, sizeof(SHA512_CTX),
SHA2_512_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA512_Init, NULL, NULL, SHA512Update_int,
(void (*)(u_int8_t *, void *)) SHA512_Final
};
/*
* And now for auth.
*/
static int
SHA256Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA256_Update(ctx, buf, len);
return 0;
}
static int
SHA384Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA384_Update(ctx, buf, len);
return 0;
}
static int
SHA512Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA512_Update(ctx, buf, len);
return 0;
}
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