dsa_prn.c revision 296341 
1/* crypto/dsa/dsa_prn.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 2006.
5 */
6/* ====================================================================
7 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#include <stdio.h>
61#include "cryptlib.h"
62#include <openssl/evp.h>
63#include <openssl/dsa.h>
64
65#ifndef OPENSSL_NO_FP_API
66int 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        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
81int 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        DSAerr(DSA_F_DSAPARAMS_PRINT_FP, ERR_R_BUF_LIB);
88        return (0);
89    }
90    BIO_set_fp(b, fp, BIO_NOCLOSE);
91    ret = DSAparams_print(b, x);
92    BIO_free(b);
93    return (ret);
94}
95#endif
96
97int DSA_print(BIO *bp, const DSA *x, int off)
98{
99    EVP_PKEY *pk;
100    int ret;
101    pk = EVP_PKEY_new();
102    if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
103        return 0;
104    ret = EVP_PKEY_print_private(bp, pk, off, NULL);
105    EVP_PKEY_free(pk);
106    return ret;
107}
108
109int DSAparams_print(BIO *bp, const DSA *x)
110{
111    EVP_PKEY *pk;
112    int ret;
113    pk = EVP_PKEY_new();
114    if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
115        return 0;
116    ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
117    EVP_PKEY_free(pk);
118    return ret;
119}
120