src/crypto/rfc3961/kernel/algs.c

   1 /*
   2  * Copyright (c) 2010 Your Filesystem Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 /* Algorithm list for the in-kernel hcrypto implementation. We use a really cut
  26  * down list of algorithms, to reduce the code-footprint of our kernel module.
  27  */
  28
  29 #include "krb5_locl.h"
  30
  31 struct _krb5_checksum_type *_krb5_checksum_types[] = {
  32     &_krb5_checksum_sha1,
  33     &_krb5_checksum_hmac_sha1_aes128,
  34     &_krb5_checksum_hmac_sha1_aes256,
  35 };
  36
  37 int _krb5_num_checksums
  38         = sizeof(_krb5_checksum_types) / sizeof(_krb5_checksum_types[0]);
  39
  40 struct _krb5_encryption_type *_krb5_etypes[] = {
  41     &_krb5_enctype_aes256_cts_hmac_sha1,
  42     &_krb5_enctype_aes128_cts_hmac_sha1,
  43 };
  44
  45 int _krb5_num_etypes = sizeof(_krb5_etypes) / sizeof(_krb5_etypes[0]);