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read2pwd.c
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1 /* crypto/des/read2pwd.c */
2 /* ====================================================================
3  * Copyright (c) 2001-2002 The OpenSSL Project. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in
14  * the documentation and/or other materials provided with the
15  * distribution.
16  *
17  * 3. All advertising materials mentioning features or use of this
18  * software must display the following acknowledgment:
19  * "This product includes software developed by the OpenSSL Project
20  * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21  *
22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23  * endorse or promote products derived from this software without
24  * prior written permission. For written permission, please contact
25  * [email protected].
26  *
27  * 5. Products derived from this software may not be called "OpenSSL"
28  * nor may "OpenSSL" appear in their names without prior written
29  * permission of the OpenSSL Project.
30  *
31  * 6. Redistributions of any form whatsoever must retain the following
32  * acknowledgment:
33  * "This product includes software developed by the OpenSSL Project
34  * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35  *
36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47  * OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This product includes cryptographic software written by Eric Young
51  * ([email protected]). This product includes software written by Tim
52  * Hudson ([email protected]).
53  *
54  */
55 /* Copyright (C) 1995-1998 Eric Young ([email protected])
56  * All rights reserved.
57  *
58  * This package is an SSL implementation written
59  * by Eric Young ([email protected]).
60  * The implementation was written so as to conform with Netscapes SSL.
61  *
62  * This library is free for commercial and non-commercial use as long as
63  * the following conditions are aheared to. The following conditions
64  * apply to all code found in this distribution, be it the RC4, RSA,
65  * lhash, DES, etc., code; not just the SSL code. The SSL documentation
66  * included with this distribution is covered by the same copyright terms
67  * except that the holder is Tim Hudson ([email protected]).
68  *
69  * Copyright remains Eric Young's, and as such any Copyright notices in
70  * the code are not to be removed.
71  * If this package is used in a product, Eric Young should be given attribution
72  * as the author of the parts of the library used.
73  * This can be in the form of a textual message at program startup or
74  * in documentation (online or textual) provided with the package.
75  *
76  * Redistribution and use in source and binary forms, with or without
77  * modification, are permitted provided that the following conditions
78  * are met:
79  * 1. Redistributions of source code must retain the copyright
80  * notice, this list of conditions and the following disclaimer.
81  * 2. Redistributions in binary form must reproduce the above copyright
82  * notice, this list of conditions and the following disclaimer in the
83  * documentation and/or other materials provided with the distribution.
84  * 3. All advertising materials mentioning features or use of this software
85  * must display the following acknowledgement:
86  * "This product includes cryptographic software written by
87  * Eric Young ([email protected])"
88  * The word 'cryptographic' can be left out if the rouines from the library
89  * being used are not cryptographic related :-).
90  * 4. If you include any Windows specific code (or a derivative thereof) from
91  * the apps directory (application code) you must include an acknowledgement:
92  * "This product includes software written by Tim Hudson ([email protected])"
93  *
94  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
104  * SUCH DAMAGE.
105  *
106  * The licence and distribution terms for any publically available version or
107  * derivative of this code cannot be changed. i.e. this code cannot simply be
108  * copied and put under another distribution licence
109  * [including the GNU Public Licence.]
110  */
111 
112 #include <string.h>
113 #include <openssl/des.h>
114 #include <openssl/ui.h>
115 #include <openssl/crypto.h>
116 
117 int DES_read_password(DES_cblock *key, const char *prompt, int verify)
118  {
119  int ok;
120  char buf[BUFSIZ],buff[BUFSIZ];
121 
122  if ((ok=UI_UTIL_read_pw(buf,buff,BUFSIZ,prompt,verify)) == 0)
123  DES_string_to_key(buf,key);
124  OPENSSL_cleanse(buf,BUFSIZ);
125  OPENSSL_cleanse(buff,BUFSIZ);
126  return(ok);
127  }
128 
129 int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2, const char *prompt,
130  int verify)
131  {
132  int ok;
133  char buf[BUFSIZ],buff[BUFSIZ];
134 
135  if ((ok=UI_UTIL_read_pw(buf,buff,BUFSIZ,prompt,verify)) == 0)
136  DES_string_to_2keys(buf,key1,key2);
137  OPENSSL_cleanse(buf,BUFSIZ);
138  OPENSSL_cleanse(buff,BUFSIZ);
139  return(ok);
140  }
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