text: /*	$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/sha1.h>
  #include <opencrypto/xform_auth.h>
  
  static	void SHA1Init_int(void *);
  static	int SHA1Update_int(void *, const u_int8_t *, u_int16_t);
  static	void SHA1Final_int(u_int8_t *, void *);
  
  /* Plain hash */
  struct auth_hash auth_hash_sha1 = {
  	.type = CRYPTO_SHA1,
  	.name = "SHA1",
  	.hashsize = SHA1_HASH_LEN,
  	.ctxsize = sizeof(SHA1_CTX),
  	.blocksize = SHA1_BLOCK_LEN,
  	.Init = SHA1Init_int,
  	.Update = SHA1Update_int,
  	.Final = SHA1Final_int,
  };
  
  /* Authentication instances */
  struct auth_hash auth_hash_hmac_sha1 = {
  	.type = CRYPTO_SHA1_HMAC,
  	.name = "HMAC-SHA1",
  	.keysize = SHA1_BLOCK_LEN,
  	.hashsize = SHA1_HASH_LEN,
  	.ctxsize = sizeof(SHA1_CTX),
  	.blocksize = SHA1_BLOCK_LEN,
  	.Init = SHA1Init_int,
  	.Update = SHA1Update_int,
  	.Final = SHA1Final_int,
  };
  
  struct auth_hash auth_hash_key_sha1 = {
  	.type = CRYPTO_SHA1_KPDK,
  	.name = "Keyed SHA1",
  	.keysize = 0,
  	.hashsize = SHA1_KPDK_HASH_LEN,
  	.ctxsize = sizeof(SHA1_CTX),
  	.blocksize = 0,
  	.Init = SHA1Init_int,
  	.Update = SHA1Update_int,
  	.Final = SHA1Final_int,
  };
  
  /*
   * And now for auth.
   */
  static void
  SHA1Init_int(void *ctx)
  {
  	SHA1Init(ctx);
  }
  
  static int
  SHA1Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
  {
  	SHA1Update(ctx, buf, len);
  	return 0;
  }
  
  static void
  SHA1Final_int(u_int8_t *blk, void *ctx)
  {
  	SHA1Final(blk, ctx);
  }
  