1/*
2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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#include "des_local.h"
11#include <openssl/opensslv.h>
12#include <openssl/bio.h>
13
14
15const char *DES_options(void)
16{
17    static int init = 1;
18    static char buf[12];
19
20    if (init) {
21        if (sizeof(DES_LONG) != sizeof(long))
22            OPENSSL_strlcpy(buf, "des(int)", sizeof(buf));
23        else
24            OPENSSL_strlcpy(buf, "des(long)", sizeof(buf));
25        init = 0;
26    }
27    return buf;
28}
29
30void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
31                     DES_key_schedule *ks, int enc)
32{
33    register DES_LONG l;
34    DES_LONG ll[2];
35    const unsigned char *in = &(*input)[0];
36    unsigned char *out = &(*output)[0];
37
38    c2l(in, l);
39    ll[0] = l;
40    c2l(in, l);
41    ll[1] = l;
42    DES_encrypt1(ll, ks, enc);
43    l = ll[0];
44    l2c(l, out);
45    l = ll[1];
46    l2c(l, out);
47    l = ll[0] = ll[1] = 0;
48}
49