crypto/rsa/rsa_prn.c

   1 /*
   2  * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (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/rsa.h>
  13 #include <openssl/evp.h>
  14
  15 #ifndef OPENSSL_NO_STDIO
  16 int RSA_print_fp(FILE *fp, const RSA *x, int off)
  17 {
  18     BIO *b;
  19     int ret;
  20
  21     if ((b = BIO_new(BIO_s_file())) == NULL) {
  22         RSAerr(RSA_F_RSA_PRINT_FP, ERR_R_BUF_LIB);
  23         return (0);
  24     }
  25     BIO_set_fp(b, fp, BIO_NOCLOSE);
  26     ret = RSA_print(b, x, off);
  27     BIO_free(b);
  28     return (ret);
  29 }
  30 #endif
  31
  32 int RSA_print(BIO *bp, const RSA *x, int off)
  33 {
  34     EVP_PKEY *pk;
  35     int ret;
  36     pk = EVP_PKEY_new();
  37     if (pk == NULL || !EVP_PKEY_set1_RSA(pk, (RSA *)x))
  38         return 0;
  39     ret = EVP_PKEY_print_private(bp, pk, off, NULL);
  40     EVP_PKEY_free(pk);
  41     return ret;
  42 }