crypto/evp/p_dec.c

   1 /*
   2  * Copyright 1995-2016 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 /*
  11  * RSA 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/rsa.h>
  19 #include <openssl/evp.h>
  20 #include <openssl/objects.h>
  21 #include <openssl/x509.h>
  22
  23 int EVP_PKEY_decrypt_old(unsigned char *key, const unsigned char *ek, int ekl,
  24                          EVP_PKEY *priv)
  25 {
  26     int ret = -1;
  27
  28 #ifndef OPENSSL_NO_RSA
  29     if (EVP_PKEY_id(priv) != EVP_PKEY_RSA) {
  30 #endif
  31         EVPerr(EVP_F_EVP_PKEY_DECRYPT_OLD, EVP_R_PUBLIC_KEY_NOT_RSA);
  32 #ifndef OPENSSL_NO_RSA
  33         goto err;
  34     }
  35
  36     ret =
  37         RSA_private_decrypt(ekl, ek, key, EVP_PKEY_get0_RSA(priv),
  38                             RSA_PKCS1_PADDING);
  39  err:
  40 #endif
  41     return ret;
  42 }