1 package org.bouncycastle.crypto.generators;
2
3 /*-
4 * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
5 * SNMP Java Client
6 * ჻჻჻჻჻჻
7 * Copyright 2023 Sentry Software, Westhawk
8 * ჻჻჻჻჻჻
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation, either version 3 of the
12 * License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Lesser Public License for more details.
18 *
19 * You should have received a copy of the GNU General Lesser Public
20 * License along with this program. If not, see
21 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
22 * ╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱
23 */
24
25 import org.bouncycastle.crypto.CipherKeyGenerator;
26 import org.bouncycastle.crypto.params.DESParameters;
27
28 public class DESKeyGenerator
29 extends CipherKeyGenerator
30 {
31 public byte[] generateKey()
32 {
33 byte[] newKey = new byte[DESParameters.DES_KEY_LENGTH];
34
35 do
36 {
37 random.nextBytes(newKey);
38
39 DESParameters.setOddParity(newKey);
40 }
41 while (DESParameters.isWeakKey(newKey, 0));
42
43 return newKey;
44 }
45 }