1 /*
2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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 /*
11 * DES low level APIs are deprecated for public use, but still ok for internal
12 * use.
13 */
14 #include "internal/deprecated.h"
15
16 #include "des_local.h"
17
DES_ecb3_encrypt(const_DES_cblock * input,DES_cblock * output,DES_key_schedule * ks1,DES_key_schedule * ks2,DES_key_schedule * ks3,int enc)18 void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
19 DES_key_schedule *ks1, DES_key_schedule *ks2,
20 DES_key_schedule *ks3, int enc)
21 {
22 register DES_LONG l0, l1;
23 DES_LONG ll[2];
24 const unsigned char *in = &(*input)[0];
25 unsigned char *out = &(*output)[0];
26
27 c2l(in, l0);
28 c2l(in, l1);
29 ll[0] = l0;
30 ll[1] = l1;
31 if (enc)
32 DES_encrypt3(ll, ks1, ks2, ks3);
33 else
34 DES_decrypt3(ll, ks1, ks2, ks3);
35 l0 = ll[0];
36 l1 = ll[1];
37 l2c(l0, out);
38 l2c(l1, out);
39 }
40