1 /*
2 * Copyright 2016 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16
17 package io.netty.internal.tcnative;
18
19 /**
20 * Session Ticket Key
21 */
22 public final class SessionTicketKey {
23 /**
24 * Size of session ticket key name
25 */
26 public static final int NAME_SIZE = 16;
27 /**
28 * Size of session ticket key HMAC key
29 */
30 public static final int HMAC_KEY_SIZE = 16;
31 /**
32 * Size of session ticket key AES key
33 */
34 public static final int AES_KEY_SIZE = 16;
35 /**
36 * Size of session ticket key
37 */
38 public static final int TICKET_KEY_SIZE = NAME_SIZE + HMAC_KEY_SIZE + AES_KEY_SIZE;
39
40 // package private so we can access these in SSLContext without calling clone() on the byte[].
41 final byte[] name;
42 final byte[] hmacKey;
43 final byte[] aesKey;
44
45 /**
46 * Construct SessionTicketKey.
47 * @param name the name of the session ticket key
48 * @param hmacKey the HMAC key of the session ticket key
49 * @param aesKey the AES key of the session ticket key
50 */
51 public SessionTicketKey(byte[] name, byte[] hmacKey, byte[] aesKey) {
52 if (name == null || name.length != NAME_SIZE) {
53 throw new IllegalArgumentException("Length of name should be " + NAME_SIZE);
54 }
55 if (hmacKey == null || hmacKey.length != HMAC_KEY_SIZE) {
56 throw new IllegalArgumentException("Length of hmacKey should be " + HMAC_KEY_SIZE);
57 }
58 if (aesKey == null || aesKey.length != AES_KEY_SIZE) {
59 throw new IllegalArgumentException("Length of aesKey should be " + AES_KEY_SIZE);
60 }
61 this.name = name;
62 this.hmacKey = hmacKey;
63 this.aesKey = aesKey;
64 }
65
66 /**
67 * Get name.
68 *
69 * @return the name of the session ticket key
70 */
71 public byte[] getName() {
72 return name.clone();
73 }
74
75 /**
76 * Get HMAC key.
77 * @return the HMAC key of the session ticket key
78 */
79 public byte[] getHmacKey() {
80 return hmacKey.clone();
81 }
82
83 /**
84 * Get AES Key.
85 * @return the AES key of the session ticket key
86 */
87 public byte[] getAesKey() {
88 return aesKey.clone();
89 }
90 }