xref: /freebsd/lib/libc/gen/crypt.c (revision 42c159fe388a3765f69860c84183700af37aca8a)
1 /*
2  * Copyright (c) 1989 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Tom Truscott.
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  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
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  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #if defined(LIBC_SCCS) && !defined(lint)
38 /* from static char sccsid[] = "@(#)crypt.c	5.11 (Berkeley) 6/25/91"; */
39 #endif /* LIBC_SCCS and not lint */
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
42 
43 #include <unistd.h>
44 #include <stdio.h>
45 #include <string.h>
46 
47 /*
48  * UNIX password, and DES, encryption.
49  *
50  * since this is non-exportable, this is just a dummy.  if you want real
51  * encryption, make sure you've got libcrypt.a around.
52  */
53 
54 __warn_references(des_setkey,
55 	"WARNING!  des_setkey(3) not present in the system!");
56 
57 int
58 des_setkey(key)
59 	const char *key;
60 {
61 	fprintf(stderr, "WARNING!  des_setkey(3) not present in the system!\n");
62 	return (0);
63 }
64 
65 __warn_references(des_cipher,
66 	"WARNING!  des_cipher(3) not present in the system!");
67 
68 int
69 des_cipher(in, out, salt, num_iter)
70 	const char     *in;
71 	char           *out;
72 	long            salt;
73 	int             num_iter;
74 {
75 	fprintf(stderr, "WARNING!  des_cipher(3) not present in the system!\n");
76 	bcopy(in, out, 8);
77 	return (0);
78 }
79 
80 __warn_references(setkey,
81 	"WARNING!  setkey(3) not present in the system!");
82 
83 int
84 setkey(key)
85 	const char *key;
86 {
87 	fprintf(stderr, "WARNING!  setkey(3) not present in the system!\n");
88 	return (0);
89 }
90 
91 __warn_references(encrypt,
92 	"WARNING!  encrypt(3) not present in the system!");
93 
94 int
95 encrypt(block, flag)
96 	char  *block;
97 	int             flag;
98 {
99 	fprintf(stderr, "WARNING!  encrypt(3) not present in the system!\n");
100 	return (0);
101 }
102