lib/krb5/crypto-algs.c

   1 /*
   2  * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "krb5_locl.h"
  35
  36 #ifndef HEIMDAL_SMALLER
  37 #define DES3_OLD_ENCTYPE 1
  38 #endif
  39
  40 struct _krb5_checksum_type *_krb5_checksum_types[] = {
  41     &_krb5_checksum_none,
  42 #ifdef HEIM_WEAK_CRYPTO
  43     &_krb5_checksum_crc32,
  44     &_krb5_checksum_rsa_md4,
  45     &_krb5_checksum_rsa_md4_des,
  46     &_krb5_checksum_rsa_md5_des,
  47 #endif
  48 #ifdef DES3_OLD_ENCTYPE
  49     &_krb5_checksum_rsa_md5_des3,
  50 #endif
  51     &_krb5_checksum_rsa_md5,
  52     &_krb5_checksum_sha1,
  53     &_krb5_checksum_hmac_sha1_des3,
  54     &_krb5_checksum_hmac_sha1_aes128,
  55     &_krb5_checksum_hmac_sha1_aes256,
  56     &_krb5_checksum_hmac_sha256_128_aes128,
  57     &_krb5_checksum_hmac_sha384_192_aes256,
  58     &_krb5_checksum_hmac_md5,
  59     &_krb5_checksum_sha256,
  60     &_krb5_checksum_sha384,
  61     &_krb5_checksum_sha512
  62 };
  63
  64 int _krb5_num_checksums
  65         = sizeof(_krb5_checksum_types) / sizeof(_krb5_checksum_types[0]);
  66
  67 /*
  68  * these should currently be in reverse preference order.
  69  * (only relevant for !F_PSEUDO) */
  70
  71 struct _krb5_encryption_type *_krb5_etypes[] = {
  72     &_krb5_enctype_aes256_cts_hmac_sha384_192,
  73     &_krb5_enctype_aes128_cts_hmac_sha256_128,
  74     &_krb5_enctype_aes256_cts_hmac_sha1,
  75     &_krb5_enctype_aes128_cts_hmac_sha1,
  76     &_krb5_enctype_des3_cbc_sha1,
  77     &_krb5_enctype_des3_cbc_none, /* used by the gss-api mech */
  78     &_krb5_enctype_arcfour_hmac_md5,
  79 #ifdef DES3_OLD_ENCTYPE
  80     &_krb5_enctype_des3_cbc_md5,
  81     &_krb5_enctype_old_des3_cbc_sha1,
  82 #endif
  83 #ifdef HEIM_WEAK_CRYPTO
  84     &_krb5_enctype_des_cbc_md5,
  85     &_krb5_enctype_des_cbc_md4,
  86     &_krb5_enctype_des_cbc_crc,
  87     &_krb5_enctype_des_cbc_none,
  88     &_krb5_enctype_des_cfb64_none,
  89     &_krb5_enctype_des_pcbc_none,
  90 #endif
  91     &_krb5_enctype_null
  92 };
  93
  94 int _krb5_num_etypes = sizeof(_krb5_etypes) / sizeof(_krb5_etypes[0]);