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
NONE_checksum(krb5_context context,struct _krb5_key_data * key,const void * data,size_t len,unsigned usage,Checksum * C)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
NULL_encrypt(krb5_context context,struct _krb5_key_data * key,void * data,size_t len,krb5_boolean encryptp,int usage,void * ivec)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 };
100