xref: /dragonfly/crypto/libressl/crypto/dsa/dsa_prn.c (revision 72c33676)
1 /* $OpenBSD: dsa_prn.c,v 1.6 2017/01/29 17:49:22 beck Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project 2006.
4  */
5 /* ====================================================================
6  * Copyright (c) 2006 The OpenSSL Project.  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
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    licensing@OpenSSL.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * This product includes cryptographic software written by Eric Young
54  * (eay@cryptsoft.com).  This product includes software written by Tim
55  * Hudson (tjh@cryptsoft.com).
56  *
57  */
58 
59 #include <stdio.h>
60 
61 #include <openssl/dsa.h>
62 #include <openssl/err.h>
63 #include <openssl/evp.h>
64 
65 int
DSA_print_fp(FILE * fp,const DSA * x,int off)66 DSA_print_fp(FILE *fp, const DSA *x, int off)
67 {
68 	BIO *b;
69 	int ret;
70 
71 	if ((b = BIO_new(BIO_s_file())) == NULL) {
72 		DSAerror(ERR_R_BUF_LIB);
73 		return 0;
74 	}
75 	BIO_set_fp(b, fp, BIO_NOCLOSE);
76 	ret = DSA_print(b, x, off);
77 	BIO_free(b);
78 	return ret;
79 }
80 
81 int
DSAparams_print_fp(FILE * fp,const DSA * x)82 DSAparams_print_fp(FILE *fp, const DSA *x)
83 {
84 	BIO *b;
85 	int ret;
86 
87 	if ((b = BIO_new(BIO_s_file())) == NULL) {
88 		DSAerror(ERR_R_BUF_LIB);
89 		return 0;
90 	}
91 	BIO_set_fp(b, fp, BIO_NOCLOSE);
92 	ret = DSAparams_print(b, x);
93 	BIO_free(b);
94 	return ret;
95 }
96 
97 int
DSA_print(BIO * bp,const DSA * x,int off)98 DSA_print(BIO *bp, const DSA *x, int off)
99 {
100 	EVP_PKEY *pk;
101 	int ret;
102 
103 	pk = EVP_PKEY_new();
104 	if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
105 		return 0;
106 	ret = EVP_PKEY_print_private(bp, pk, off, NULL);
107 	EVP_PKEY_free(pk);
108 	return ret;
109 }
110 
111 int
DSAparams_print(BIO * bp,const DSA * x)112 DSAparams_print(BIO *bp, const DSA *x)
113 {
114 	EVP_PKEY *pk;
115 	int ret;
116 
117 	pk = EVP_PKEY_new();
118 	if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
119 		return 0;
120 	ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
121 	EVP_PKEY_free(pk);
122 	return ret;
123 }
124