text: /* crypto/dsa/dsa_prn.c */
  /*
   * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   * 2006.
   */
  /* ====================================================================
   * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. All advertising materials mentioning features or use of this
   *    software must display the following acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
   *
   * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
   *    endorse or promote products derived from this software without
   *    prior written permission. For written permission, please contact
   *    licensing@OpenSSL.org.
   *
   * 5. Products derived from this software may not be called "OpenSSL"
   *    nor may "OpenSSL" appear in their names without prior written
   *    permission of the OpenSSL Project.
   *
   * 6. Redistributions of any form whatsoever must retain the following
   *    acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
   *
   * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
   * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   * ====================================================================
   *
   * This product includes cryptographic software written by Eric Young
   * (eay@cryptsoft.com).  This product includes software written by Tim
   * Hudson (tjh@cryptsoft.com).
   *
   */
  
  #include <stdio.h>
  #include "internal/cryptlib.h"
  #include <openssl/evp.h>
  #include <openssl/dsa.h>
  
  #ifndef OPENSSL_NO_STDIO
  int DSA_print_fp(FILE *fp, const DSA *x, int off)
  {
      BIO *b;
      int ret;
  
      if ((b = BIO_new(BIO_s_file())) == NULL) {
          DSAerr(DSA_F_DSA_PRINT_FP, ERR_R_BUF_LIB);
          return (0);
      }
      BIO_set_fp(b, fp, BIO_NOCLOSE);
      ret = DSA_print(b, x, off);
      BIO_free(b);
      return (ret);
  }
  
  int DSAparams_print_fp(FILE *fp, const DSA *x)
  {
      BIO *b;
      int ret;
  
      if ((b = BIO_new(BIO_s_file())) == NULL) {
          DSAerr(DSA_F_DSAPARAMS_PRINT_FP, ERR_R_BUF_LIB);
          return (0);
      }
      BIO_set_fp(b, fp, BIO_NOCLOSE);
      ret = DSAparams_print(b, x);
      BIO_free(b);
      return (ret);
  }
  #endif
  
  int DSA_print(BIO *bp, const DSA *x, int off)
  {
      EVP_PKEY *pk;
      int ret;
      pk = EVP_PKEY_new();
      if (pk == NULL || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
          return 0;
      ret = EVP_PKEY_print_private(bp, pk, off, NULL);
      EVP_PKEY_free(pk);
      return ret;
  }
  
  int DSAparams_print(BIO *bp, const DSA *x)
  {
      EVP_PKEY *pk;
      int ret;
      pk = EVP_PKEY_new();
      if (pk == NULL || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
          return 0;
      ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
      EVP_PKEY_free(pk);
      return ret;
  }
  