1 /* crypto/dsa/dsa_prn.c */
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 #include "cryptlib.h"
61 #include <openssl/evp.h>
62 #include <openssl/dsa.h>
63
64 #ifndef OPENSSL_NO_FP_API
65 int DSA_print_fp(FILE *fp, const DSA *x, int off)
66 {
67 BIO *b;
68 int ret;
69
70 if ((b=BIO_new(BIO_s_file())) == NULL)
71 {
72 DSAerr(DSA_F_DSA_PRINT_FP,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 {
83 BIO *b;
84 int ret;
85
86 if ((b=BIO_new(BIO_s_file())) == NULL)
87 {
88 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,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 #endif
97
98 int DSA_print(BIO *bp, const DSA *x, int off)
99 {
100 EVP_PKEY *pk;
101 int ret;
102 pk = EVP_PKEY_new();
103 if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
104 return 0;
105 ret = EVP_PKEY_print_private(bp, pk, off, NULL);
106 EVP_PKEY_free(pk);
107 return ret;
108 }
109
110 int DSAparams_print(BIO *bp, const DSA *x)
111 {
112 EVP_PKEY *pk;
113 int ret;
114 pk = EVP_PKEY_new();
115 if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
116 return 0;
117 ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
118 EVP_PKEY_free(pk);
119 return ret;
120 }