crypto/external/bsd/heimdal/dist/lib/krb5/crypto-null.c

   1 /*      $NetBSD: crypto-null.c,v 1.1.1.2 2014/04/24 12:45:49 pettai Exp $       */
   2
   3 /*
   4  * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "krb5_locl.h"
  37
  38 #ifndef HEIMDAL_SMALLER
  39 #define DES3_OLD_ENCTYPE 1
  40 #endif
  41
  42 static struct _krb5_key_type keytype_null = {
  43     ENCTYPE_NULL,
  44     "null",
  45     0,
  46     0,
  47     0,
  48     NULL,
  49     NULL,
  50     NULL
  51 };
  52
  53 static krb5_error_code
  54 NONE_checksum(krb5_context context,
  55               struct _krb5_key_data *key,
  56               const void *data,
  57               size_t len,
  58               unsigned usage,
  59               Checksum *C)
  60 {
  61     return 0;
  62 }
  63
  64 struct _krb5_checksum_type _krb5_checksum_none = {
  65     CKSUMTYPE_NONE,
  66     "none",
  67     1,
  68     0,
  69     0,
  70     NONE_checksum,
  71     NULL
  72 };
  73
  74 static krb5_error_code
  75 NULL_encrypt(krb5_context context,
  76              struct _krb5_key_data *key,
  77              void *data,
  78              size_t len,
  79              krb5_boolean encryptp,
  80              int usage,
  81              void *ivec)
  82 {
  83     return 0;
  84 }
  85
  86 struct _krb5_encryption_type _krb5_enctype_null = {
  87     ETYPE_NULL,
  88     "null",
  89     1,
  90     1,
  91     0,
  92     &keytype_null,
  93     &_krb5_checksum_none,
  94     NULL,
  95     F_DISABLED,
  96     NULL_encrypt,
  97     0,
  98     NULL
  99 };