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
DES_options(void)15 const 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
DES_ecb_encrypt(const_DES_cblock * input,DES_cblock * output,DES_key_schedule * ks,int enc)30 void 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