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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  /**
20   * Edwards Elliptic Curves.
21   */
22  public enum GordianEdwardsElliptic {
23      /**
24       * Curve25519.
25       */
26      CURVE25519,
27  
28      /**
29       * Curve448.
30       */
31      CURVE448;
32  
33      /**
34       * Is this curve25519?.
35       *
36       * @return true/false
37       */
38      public boolean is25519() {
39          return this == CURVE25519;
40      }
41  
42      /**
43       * Obtain suffix.
44       *
45       * @return the suffix
46       */
47      public String getSuffix() {
48          return this == CURVE25519 ? "25519" : "448";
49      }
50  }