text: /*
   * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   *
   * Licensed under the Apache License 2.0 (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.openssl.org/source/license.html
   */
  
  #include <stdio.h>
  #include "internal/cryptlib.h"
  #include <openssl/rsa.h>
  #include <openssl/evp.h>
  #include <openssl/objects.h>
  #include <openssl/x509.h>
  
  int EVP_PKEY_decrypt_old(unsigned char *key, const unsigned char *ek, int ekl,
                           EVP_PKEY *priv)
  {
      int ret = -1;
  
  #ifndef OPENSSL_NO_RSA
      if (EVP_PKEY_id(priv) != EVP_PKEY_RSA) {
  #endif
          EVPerr(EVP_F_EVP_PKEY_DECRYPT_OLD, EVP_R_PUBLIC_KEY_NOT_RSA);
  #ifndef OPENSSL_NO_RSA
          goto err;
      }
  
      ret =
          RSA_private_decrypt(ekl, ek, key, EVP_PKEY_get0_RSA(priv),
                              RSA_PKCS1_PADDING);
   err:
  #endif
      return ret;
  }
  