crypto/dsa/dsa_prn.c

   1 /*
   2  * Copyright 2006-2016 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 #include <stdio.h>
  11 #include "internal/cryptlib.h"
  12 #include <openssl/evp.h>
  13 #include <openssl/dsa.h>
  14
  15 #ifndef OPENSSL_NO_STDIO
  16 int DSA_print_fp(FILE *fp, const DSA *x, int off)
  17 {
  18     BIO *b;
  19     int ret;
  20
  21     if ((b = BIO_new(BIO_s_file())) == NULL) {
  22         DSAerr(DSA_F_DSA_PRINT_FP, ERR_R_BUF_LIB);
  23         return 0;
  24     }
  25     BIO_set_fp(b, fp, BIO_NOCLOSE);
  26     ret = DSA_print(b, x, off);
  27     BIO_free(b);
  28     return ret;
  29 }
  30
  31 int DSAparams_print_fp(FILE *fp, const DSA *x)
  32 {
  33     BIO *b;
  34     int ret;
  35
  36     if ((b = BIO_new(BIO_s_file())) == NULL) {
  37         DSAerr(DSA_F_DSAPARAMS_PRINT_FP, ERR_R_BUF_LIB);
  38         return 0;
  39     }
  40     BIO_set_fp(b, fp, BIO_NOCLOSE);
  41     ret = DSAparams_print(b, x);
  42     BIO_free(b);
  43     return ret;
  44 }
  45 #endif
  46
  47 int DSA_print(BIO *bp, const DSA *x, int off)
  48 {
  49     EVP_PKEY *pk;
  50     int ret;
  51     pk = EVP_PKEY_new();
  52     if (pk == NULL || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
  53         return 0;
  54     ret = EVP_PKEY_print_private(bp, pk, off, NULL);
  55     EVP_PKEY_free(pk);
  56     return ret;
  57 }
  58
  59 int DSAparams_print(BIO *bp, const DSA *x)
  60 {
  61     EVP_PKEY *pk;
  62     int ret;
  63     pk = EVP_PKEY_new();
  64     if (pk == NULL || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
  65         return 0;
  66     ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
  67     EVP_PKEY_free(pk);
  68     return ret;
  69 }