1 | /* |
2 | * Copyright 1995-2016 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 | #include "des_local.h" |
11 | |
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 | |