lib/libcrypto/dsa/dsa_prn.c

   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
  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
  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
  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
 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 }