1 /*
2 * Copyright 1995-2016 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
DES_ecb3_encrypt(const_DES_cblock * input,DES_cblock * output,DES_key_schedule * ks1,DES_key_schedule * ks2,DES_key_schedule * ks3,int enc)12 void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
13 DES_key_schedule *ks1, DES_key_schedule *ks2,
14 DES_key_schedule *ks3, int enc)
15 {
16 register DES_LONG l0, l1;
17 DES_LONG ll[2];
18 const unsigned char *in = &(*input)[0];
19 unsigned char *out = &(*output)[0];
20
21 c2l(in, l0);
22 c2l(in, l1);
23 ll[0] = l0;
24 ll[1] = l1;
25 if (enc)
26 DES_encrypt3(ll, ks1, ks2, ks3);
27 else
28 DES_decrypt3(ll, ks1, ks2, ks3);
29 l0 = ll[0];
30 l1 = ll[1];
31 l2c(l0, out);
32 l2c(l1, out);
33 }
34