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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.security.ssl;
import java.security.spec.ECParameterSpec;
import java.security.spec.ECGenParameterSpec;
import static sun.security.ssl.NamedGroupType.*;
enum NamedGroup {
// Elliptic Curves (RFC 4492)
//
// See sun.security.util.CurveDB for the OIDs
// NIST K-163
SECT163_K1(1, NAMED_GROUP_ECDHE, "sect163k1", "1.3.132.0.1", true),
SECT163_R1(2, NAMED_GROUP_ECDHE, "sect163r1", "1.3.132.0.2", false),
// NIST B-163
SECT163_R2(3, NAMED_GROUP_ECDHE, "sect163r2", "1.3.132.0.15", true),
SECT193_R1(4, NAMED_GROUP_ECDHE, "sect193r1", "1.3.132.0.24", false),
SECT193_R2(5, NAMED_GROUP_ECDHE, "sect193r2", "1.3.132.0.25", false),
// NIST K-233
SECT233_K1(6, NAMED_GROUP_ECDHE, "sect233k1", "1.3.132.0.26", true),
// NIST B-233
SECT233_R1(7, NAMED_GROUP_ECDHE, "sect233r1", "1.3.132.0.27", true),
SECT239_K1(8, NAMED_GROUP_ECDHE, "sect239k1", "1.3.132.0.3", false),
// NIST K-283
SECT283_K1(9, NAMED_GROUP_ECDHE, "sect283k1", "1.3.132.0.16", true),
// NIST B-283
SECT283_R1(10, NAMED_GROUP_ECDHE, "sect283r1", "1.3.132.0.17", true),
// NIST K-409
SECT409_K1(11, NAMED_GROUP_ECDHE, "sect409k1", "1.3.132.0.36", true),
// NIST B-409
SECT409_R1(12, NAMED_GROUP_ECDHE, "sect409r1", "1.3.132.0.37", true),
// NIST K-571
SECT571_K1(13, NAMED_GROUP_ECDHE, "sect571k1", "1.3.132.0.38", true),
// NIST B-571
SECT571_R1(14, NAMED_GROUP_ECDHE, "sect571r1", "1.3.132.0.39", true),
SECP160_K1(15, NAMED_GROUP_ECDHE, "secp160k1", "1.3.132.0.9", false),
SECP160_R1(16, NAMED_GROUP_ECDHE, "secp160r1", "1.3.132.0.8", false),
SECP160_R2(17, NAMED_GROUP_ECDHE, "secp160r2", "1.3.132.0.30", false),
SECP192_K1(18, NAMED_GROUP_ECDHE, "secp192k1", "1.3.132.0.31", false),
// NIST P-192
SECP192_R1(19, NAMED_GROUP_ECDHE, "secp192r1", "1.2.840.10045.3.1.1", true),
SECP224_K1(20, NAMED_GROUP_ECDHE, "secp224k1", "1.3.132.0.32", false),
// NIST P-224
SECP224_R1(21, NAMED_GROUP_ECDHE, "secp224r1", "1.3.132.0.33", true),
SECP256_K1(22, NAMED_GROUP_ECDHE, "secp256k1", "1.3.132.0.10", false),
// NIST P-256
SECP256_R1(23, NAMED_GROUP_ECDHE, "secp256r1", "1.2.840.10045.3.1.7", true),
// NIST P-384
SECP384_R1(24, NAMED_GROUP_ECDHE, "secp384r1", "1.3.132.0.34", true),
// NIST P-521
SECP521_R1(25, NAMED_GROUP_ECDHE, "secp521r1", "1.3.132.0.35", true),
// Finite Field Diffie-Hellman Ephemeral Parameters (RFC 7919)
FFDHE_2048(256, NAMED_GROUP_FFDHE, "ffdhe2048", true),
FFDHE_3072(257, NAMED_GROUP_FFDHE, "ffdhe3072", true),
FFDHE_4096(258, NAMED_GROUP_FFDHE, "ffdhe4096", true),
FFDHE_6144(259, NAMED_GROUP_FFDHE, "ffdhe6144", true),
FFDHE_8192(260, NAMED_GROUP_FFDHE, "ffdhe8192", true);
int id;
NamedGroupType type;
String name;
String oid;
String algorithm;
boolean isFips;
// Constructor used for Elliptic Curve Groups (ECDHE)
NamedGroup(int id, NamedGroupType type,
String name, String oid, boolean isFips) {
this.id = id;
this.type = type;
this.name = name;
this.oid = oid;
this.algorithm = "EC";
this.isFips = isFips;
}
// Constructor used for Finite Field Diffie-Hellman Groups (FFDHE)
NamedGroup(int id, NamedGroupType type, String name, boolean isFips) {
this.id = id;
this.type = type;
this.name = name;
this.oid = null;
this.algorithm = "DiffieHellman";
this.isFips = isFips;
}
static NamedGroup valueOf(int id) {
for (NamedGroup group : NamedGroup.values()) {
if (group.id == id) {
return group;
}
}
return null;
}
static NamedGroup nameOf(String name) {
for (NamedGroup group : NamedGroup.values()) {
if (group.name.equals(name)) {
return group;
}
}
return null;
}
static NamedGroup valueOf(ECParameterSpec params) {
String oid = JsseJce.getNamedCurveOid(params);
if ((oid != null) && (!oid.isEmpty())) {
for (NamedGroup group : NamedGroup.values()) {
if (oid.equals(group.oid)) {
return group;
}
}
}
return null;
}
@Override
public String toString() {
return this.name;
}
}