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      1 /* crypto/dsa/dsa_prn.c */
      2 /* Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) 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 	}
    121 
    122