SslSessionTicketKey.java — netty Source File

Source Code

/*
 * Copyright 2023 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package io.netty.handler.codec.quic;

import java.util.Arrays;

/**
 * Session Ticket Key
 */
public final class SslSessionTicketKey {
    /**
     * Size of session ticket key name
     */
    public static final int NAME_SIZE = 16;
    /**
     * Size of session ticket key HMAC key
     */
    public static final int HMAC_KEY_SIZE = 16;
    /**
     * Size of session ticket key AES key
     */
    public static final int AES_KEY_SIZE = 16;
    /**
     * Size of session ticket key
     */
    public static final int TICKET_KEY_SIZE = NAME_SIZE + HMAC_KEY_SIZE + AES_KEY_SIZE;

    // package private so we can access these in BoringSSLSessionTicketCallback without calling clone() on the byte[].
    final byte[] name;
    final byte[] hmacKey;
    final byte[] aesKey;

    /**
     * Construct SessionTicketKey.
     * @param name the name of the session ticket key
     * @param hmacKey the HMAC key of the session ticket key
     * @param aesKey the AES key of the session ticket key
     */
    public SslSessionTicketKey(byte[] name, byte[] hmacKey, byte[] aesKey) {
        if (name == null || name.length != NAME_SIZE) {
            throw new IllegalArgumentException("Length of name must be " + NAME_SIZE);
        }
        if (hmacKey == null || hmacKey.length != HMAC_KEY_SIZE) {
            throw new IllegalArgumentException("Length of hmacKey must be " + HMAC_KEY_SIZE);
        }
        if (aesKey == null || aesKey.length != AES_KEY_SIZE) {
// ... (70 more lines)