crypto/dsa/dsa_prn.c

   1 /* crypto/dsa/dsa_prn.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 #include <stdio.h>
  59 #include "cryptlib.h"
  60 #include <openssl/evp.h>
  61 #include <openssl/dsa.h>
  62
  63 #ifndef OPENSSL_NO_FP_API
  64 int DSA_print_fp(FILE *fp, const DSA *x, int off)
  65         {
  66         BIO *b;
  67         int ret;
  68
  69         if ((b=BIO_new(BIO_s_file())) == NULL)
  70                 {
  71                 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
  72                 return(0);
  73                 }
  74         BIO_set_fp(b,fp,BIO_NOCLOSE);
  75         ret=DSA_print(b,x,off);
  76         BIO_free(b);
  77         return(ret);
  78         }
  79
  80 int DSAparams_print_fp(FILE *fp, const DSA *x)
  81         {
  82         BIO *b;
  83         int ret;
  84
  85         if ((b=BIO_new(BIO_s_file())) == NULL)
  86                 {
  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
  97 int 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
 109 int 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