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.keypair;
18
19 import org.bouncycastle.asn1.ASN1ObjectIdentifier;
20 import org.bouncycastle.asn1.bc.BCObjectIdentifiers;
21 import org.bouncycastle.pqc.crypto.mayo.MayoParameters;
22 import org.bouncycastle.pqc.jcajce.spec.MayoParameterSpec;
23
24 /**
25 * Mayo KeySpec.
26 */
27 public enum GordianMayoSpec {
28 /**
29 * Mayo 1.
30 */
31 MAYO1,
32
33 /**
34 * Mayo 2.
35 */
36 MAYO2,
37
38 /**
39 * Mayo 3.
40 */
41 MAYO3,
42
43 /**
44 * Mayo 5.
45 */
46 MAYO5;
47
48 /**
49 * Obtain Mayo Parameters.
50 *
51 * @return the parameters.
52 */
53 public MayoParameters getParameters() {
54 switch (this) {
55 case MAYO1:
56 return MayoParameters.mayo1;
57 case MAYO2:
58 return MayoParameters.mayo2;
59 case MAYO3:
60 return MayoParameters.mayo3;
61 case MAYO5:
62 return MayoParameters.mayo5;
63 default:
64 throw new IllegalArgumentException();
65 }
66 }
67
68 /**
69 * Obtain Mayo ParameterSpec.
70 *
71 * @return the parameters.
72 */
73 public MayoParameterSpec getParameterSpec() {
74 switch (this) {
75 case MAYO1:
76 return MayoParameterSpec.mayo1;
77 case MAYO2:
78 return MayoParameterSpec.mayo2;
79 case MAYO3:
80 return MayoParameterSpec.mayo3;
81 case MAYO5:
82 return MayoParameterSpec.mayo5;
83 default:
84 throw new IllegalArgumentException();
85 }
86 }
87
88 /**
89 * Obtain MAYO algorithm Identifier.
90 *
91 * @return the identifier.
92 */
93 public ASN1ObjectIdentifier getIdentifier() {
94 switch (this) {
95 case MAYO1:
96 return BCObjectIdentifiers.mayo1;
97 case MAYO2:
98 return BCObjectIdentifiers.mayo2;
99 case MAYO3:
100 return BCObjectIdentifiers.mayo3;
101 case MAYO5:
102 return BCObjectIdentifiers.mayo5;
103 default:
104 throw new IllegalArgumentException();
105 }
106 }
107 }