1 /*
2 * GordianKnot: Security Suite
3 * Copyright 2012-2026. Tony Washer
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
6 * use this file except in compliance with the License. You may obtain a copy
7 * of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14 * License for the specific language governing permissions and limitations under
15 * the License.
16 */
17 package io.github.tonywasher.joceanus.gordianknot.api.cert;
18
19 import org.bouncycastle.asn1.x509.KeyUsage;
20
21 import java.util.EnumSet;
22 import java.util.List;
23 import java.util.Set;
24
25 /**
26 * KeyPair Usage.
27 */
28 public class GordianKeyPairUsage {
29 /**
30 * The Usage set.
31 */
32 private final EnumSet<GordianKeyPairUse> theUsageSet;
33
34 /**
35 * Constructor.
36 *
37 * @param pUse the usage.
38 */
39 public GordianKeyPairUsage(final GordianKeyPairUse... pUse) {
40 theUsageSet = EnumSet.noneOf(GordianKeyPairUse.class);
41 theUsageSet.addAll(List.of(pUse));
42 }
43
44 /**
45 * Add a usage.
46 *
47 * @param pUse the use to add
48 */
49 public void addUse(final GordianKeyPairUse pUse) {
50 theUsageSet.add(pUse);
51 }
52
53 /**
54 * Does the keyPair have the specified use?
55 *
56 * @param pUse the use to test for
57 * @return true/false
58 */
59 public boolean hasUse(final GordianKeyPairUse pUse) {
60 return theUsageSet.contains(pUse);
61 }
62
63 /**
64 * Obtain the usageSet.
65 *
66 * @return the UseSet
67 */
68 public Set<GordianKeyPairUse> getUsageSet() {
69 return EnumSet.copyOf(theUsageSet);
70 }
71
72 /**
73 * Obtain the keyUsage.
74 *
75 * @return the keyUsage
76 */
77 public KeyUsage getKeyUsage() {
78 int myUsage = 0;
79 for (GordianKeyPairUse myUse : theUsageSet) {
80 myUsage |= myUse.getUsage();
81 }
82 return new KeyUsage(myUsage);
83 }
84 }