mirror of
https://github.com/openjdk/jdk.git
synced 2025-08-27 23:04:50 +02:00
92 lines
3 KiB
Java
92 lines
3 KiB
Java
/*
|
|
* Copyright (c) 2006, 2022, 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
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package sun.security.util;
|
|
|
|
import java.math.BigInteger;
|
|
import java.security.spec.ECParameterSpec;
|
|
import java.security.spec.ECPoint;
|
|
import java.security.spec.EllipticCurve;
|
|
|
|
/**
|
|
* Contains Elliptic Curve parameters.
|
|
*
|
|
* @since 1.6
|
|
* @author Andreas Sterbenz
|
|
*/
|
|
public final class NamedCurve extends ECParameterSpec {
|
|
|
|
// friendly names with stdName followed by aliases
|
|
private final String[] nameAndAliases;
|
|
|
|
// well known OID
|
|
private final String oid;
|
|
|
|
// encoded form (as NamedCurve identified via OID)
|
|
private final byte[] encoded;
|
|
|
|
NamedCurve(KnownOIDs ko, EllipticCurve curve,
|
|
ECPoint g, BigInteger n, int h) {
|
|
super(curve, g, n, h);
|
|
String[] aliases = ko.aliases();
|
|
this.nameAndAliases = new String[aliases.length + 1];
|
|
nameAndAliases[0] = ko.stdName();
|
|
System.arraycopy(aliases, 0, nameAndAliases, 1, aliases.length);
|
|
|
|
this.oid = ko.value();
|
|
|
|
DerOutputStream out = new DerOutputStream();
|
|
out.putOID(ObjectIdentifier.of(ko));
|
|
encoded = out.toByteArray();
|
|
}
|
|
|
|
// returns the curve's standard name followed by its aliases
|
|
public String[] getNameAndAliases() {
|
|
return nameAndAliases;
|
|
}
|
|
|
|
public byte[] getEncoded() {
|
|
return encoded.clone();
|
|
}
|
|
|
|
public String getObjectId() {
|
|
return oid;
|
|
}
|
|
|
|
public String toString() {
|
|
StringBuilder sb = new StringBuilder(nameAndAliases[0]);
|
|
if (nameAndAliases.length > 1) {
|
|
sb.append(" [");
|
|
int j = 1;
|
|
while (j < nameAndAliases.length - 1) {
|
|
sb.append(nameAndAliases[j++]);
|
|
sb.append(',');
|
|
}
|
|
sb.append(nameAndAliases[j] + "]");
|
|
}
|
|
sb.append(" (" + oid + ")");
|
|
return sb.toString();
|
|
}
|
|
}
|