1 /* $NetBSD: crypto-null.c,v 1.2 2017/01/28 21:31:49 christos 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 KRB5_ENCTYPE_NULL,
44 "null",
45 0,
46 0,
47 0,
48 NULL,
49 NULL,
50 NULL,
51 NULL,
52 NULL,
53 NULL
54 };
55
56 static krb5_error_code
NONE_checksum(krb5_context context,struct _krb5_key_data * key,const void * data,size_t len,unsigned usage,Checksum * C)57 NONE_checksum(krb5_context context,
58 struct _krb5_key_data *key,
59 const void *data,
60 size_t len,
61 unsigned usage,
62 Checksum *C)
63 {
64 return 0;
65 }
66
67 struct _krb5_checksum_type _krb5_checksum_none = {
68 CKSUMTYPE_NONE,
69 "none",
70 1,
71 0,
72 0,
73 NONE_checksum,
74 NULL
75 };
76
77 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)78 NULL_encrypt(krb5_context context,
79 struct _krb5_key_data *key,
80 void *data,
81 size_t len,
82 krb5_boolean encryptp,
83 int usage,
84 void *ivec)
85 {
86 return 0;
87 }
88
89 struct _krb5_encryption_type _krb5_enctype_null = {
90 ETYPE_NULL,
91 "null",
92 NULL,
93 1,
94 1,
95 0,
96 &keytype_null,
97 &_krb5_checksum_none,
98 NULL,
99 F_DISABLED,
100 NULL_encrypt,
101 0,
102 NULL
103 };
104