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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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
*
* http://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 org.apache.tomcat.util.net.openssl.ciphers;
import java.util.HashMap;
import java.util.Map;
/**
* All the supported named groups for TLS 1.3.
*
* @see <a href="https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-8" >The supported
* groups registry</a>
*/
public enum Group {
// Elliptic Curve Groups (ECDHE)
secp256r1(0x0017),
secp384r1(0x0018),
secp521r1(0x0019),
x25519(0x001D),
x448(0x001E),
// Finite Field Groups (DHE)
ffdhe2048(0x0100),
ffdhe3072(0x0101),
ffdhe4096(0x0102),
ffdhe6144(0x0103),
ffdhe8192(0x0104),
// Post-Quantum Key Exchange
MLKEM512(0x0200),
MLKEM768(0x0201),
MLKEM1024(0x0202),
// Hybrid Key Exchange
SecP256r1MLKEM768(0x11EB),
X25519MLKEM768(0x11EC),
SecP384r1MLKEM1024(0x11ED);
private final int id;
Group(int id) {
this.id = id;
}
/**
* @return the id
*/
public int getId() {
return this.id;
}
private static final Map<Integer,Group> idMap = new HashMap<>();
static {
for (Group group : values()) {
int id = group.getId();
if (id > 0 && id < 0xFFFF) {
idMap.put(Integer.valueOf(id), group);
}
}
}
public static Group valueOf(int groupId) {
return idMap.get(Integer.valueOf(groupId));
}
}
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