/*

 * 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

 */

/*

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

 * use.

 */

#include "internal/deprecated.h"

#include "des_local.h"

void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,

                      DES_key_schedule *ks1, DES_key_schedule *ks2,

                      DES_key_schedule *ks3, int enc)

{

    register DES_LONG l0, l1;

    DES_LONG ll[2];

    const unsigned char *in = &(*input)[0];

    unsigned char *out = &(*output)[0];

    c2l(in, l0);

    c2l(in, l1);

    ll[0] = l0;

    ll[1] = l1;

    if (enc)

        DES_encrypt3(ll, ks1, ks2, ks3);

    else

        DES_decrypt3(ll, ks1, ks2, ks3);

    l0 = ll[0];

    l1 = ll[1];

    l2c(l0, out);

    l2c(l1, out);

}