/*

 * Copyright 1995-2022 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

 */

/* We need to use the deprecated RSA low level calls */

#define OPENSSL_SUPPRESS_DEPRECATED

#include <stdio.h>

#include "internal/cryptlib.h"

#include <openssl/rsa.h>

#include <openssl/evp.h>

#include <openssl/objects.h>

#include <openssl/x509.h>

#include "crypto/evp.h"

int EVP_PKEY_decrypt_old(unsigned char *key, const unsigned char *ek, int ekl,

                         EVP_PKEY *priv)

{

    int ret = -1;

    RSA *rsa = NULL;

    if (EVP_PKEY_get_id(priv) != EVP_PKEY_RSA) {

        ERR_raise(ERR_LIB_EVP, EVP_R_PUBLIC_KEY_NOT_RSA);

        goto err;

    }

    rsa = evp_pkey_get0_RSA_int(priv);

    if (rsa == NULL)

        goto err;

    ret =

        RSA_private_decrypt(ekl, ek, key, rsa, RSA_PKCS1_PADDING);

 err:

    return ret;

}