crypto/dsa/dsa_prn.c

   1 /*
   2  * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 /*
  11  * DSA low level APIs are deprecated for public use, but still ok for
  12  * internal use.
  13  */
  14 #include "internal/deprecated.h"
  15
  16 #include <stdio.h>
  17 #include "internal/cryptlib.h"
  18 #include <openssl/evp.h>
  19 #include <openssl/dsa.h>
  20
  21 #ifndef OPENSSL_NO_STDIO
  22 int DSA_print_fp(FILE *fp, const DSA *x, int off)
  23 {
  24     BIO *b;
  25     int ret;
  26
  27     if ((b = BIO_new(BIO_s_file())) == NULL) {
  28         ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB);
  29         return 0;
  30     }
  31     BIO_set_fp(b, fp, BIO_NOCLOSE);
  32     ret = DSA_print(b, x, off);
  33     BIO_free(b);
  34     return ret;
  35 }
  36
  37 int DSAparams_print_fp(FILE *fp, const DSA *x)
  38 {
  39     BIO *b;
  40     int ret;
  41
  42     if ((b = BIO_new(BIO_s_file())) == NULL) {
  43         ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB);
  44         return 0;
  45     }
  46     BIO_set_fp(b, fp, BIO_NOCLOSE);
  47     ret = DSAparams_print(b, x);
  48     BIO_free(b);
  49     return ret;
  50 }
  51 #endif
  52
  53 int DSA_print(BIO *bp, const DSA *x, int off)
  54 {
  55     EVP_PKEY *pk;
  56     int ret;
  57     pk = EVP_PKEY_new();
  58     if (pk == NULL)
  59         return 0;
  60     ret = EVP_PKEY_set1_DSA(pk, (DSA *)x);
  61     if (ret)
  62         ret = EVP_PKEY_print_private(bp, pk, off, NULL);
  63     EVP_PKEY_free(pk);
  64     return ret;
  65 }
  66
  67 int DSAparams_print(BIO *bp, const DSA *x)
  68 {
  69     EVP_PKEY *pk;
  70     int ret;
  71     pk = EVP_PKEY_new();
  72     if (pk == NULL)
  73         return 0;
  74     ret = EVP_PKEY_set1_DSA(pk, (DSA *)x);
  75     if (ret)
  76         ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
  77     EVP_PKEY_free(pk);
  78     return ret;
  79 }