/*

 * Copyright 1995-2020 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

 */

/*

 * RC2 low level APIs are deprecated for public use, but still ok for internal

 * use.

 */

#include "internal/deprecated.h"

#include <openssl/rc2.h>

#include "rc2_local.h"

#include <openssl/opensslv.h>

/*-

 * RC2 as implemented frm a posting from

 * Newsgroups: sci.crypt

 * Subject: Specification for Ron Rivests Cipher No.2

 * Message-ID: <4fk39f$f70@net.auckland.ac.nz>

 * Date: 11 Feb 1996 06:45:03 GMT

 */

void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *ks,

                     int encrypt)

{

    unsigned long l, d[2];

    c2l(in, l);

    d[0] = l;

    c2l(in, l);

    d[1] = l;

    if (encrypt)

        RC2_encrypt(d, ks);

    else

        RC2_decrypt(d, ks);

    l = d[0];

    l2c(l, out);

    l = d[1];

    l2c(l, out);

    l = d[0] = d[1] = 0;

}