mirror of
https://github.com/openjdk/jdk.git
synced 2026-01-30 04:58:25 +00:00
82 lines
3.1 KiB
Java
82 lines
3.1 KiB
Java
/*
|
|
* Copyright (c) 2005, 2019, 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.provider;
|
|
|
|
import java.math.BigInteger;
|
|
import java.security.KeyRep;
|
|
import java.security.InvalidKeyException;
|
|
|
|
/**
|
|
* An X.509 public key for the Digital Signature Algorithm.
|
|
*
|
|
* The difference between DSAPublicKeyImpl and DSAPublicKey is that
|
|
* DSAPublicKeyImpl calls writeReplace with KeyRep, and DSAPublicKey
|
|
* calls writeObject.
|
|
*
|
|
* See the comments in DSAKeyFactory, 4532506, and 6232513.
|
|
*
|
|
*/
|
|
|
|
public final class DSAPublicKeyImpl extends DSAPublicKey {
|
|
|
|
@java.io.Serial
|
|
private static final long serialVersionUID = 7819830118247182730L;
|
|
|
|
/**
|
|
* Make a DSA public key out of a public key and three parameters.
|
|
* The p, q, and g parameters may be null, but if so, parameters will need
|
|
* to be supplied from some other source before this key can be used in
|
|
* cryptographic operations. PKIX RFC2459bis explicitly allows DSA public
|
|
* keys without parameters, where the parameters are provided in the
|
|
* issuer's DSA public key.
|
|
*
|
|
* @param y the actual key bits
|
|
* @param p DSA parameter p, may be null if all of p, q, and g are null.
|
|
* @param q DSA parameter q, may be null if all of p, q, and g are null.
|
|
* @param g DSA parameter g, may be null if all of p, q, and g are null.
|
|
*/
|
|
public DSAPublicKeyImpl(BigInteger y, BigInteger p, BigInteger q,
|
|
BigInteger g)
|
|
throws InvalidKeyException {
|
|
super(y, p, q, g);
|
|
}
|
|
|
|
/**
|
|
* Make a DSA public key from its DER encoding (X.509).
|
|
*/
|
|
public DSAPublicKeyImpl(byte[] encoded) throws InvalidKeyException {
|
|
super(encoded);
|
|
}
|
|
|
|
@java.io.Serial
|
|
protected Object writeReplace() throws java.io.ObjectStreamException {
|
|
return new KeyRep(KeyRep.Type.PUBLIC,
|
|
getAlgorithm(),
|
|
getFormat(),
|
|
getEncoded());
|
|
}
|
|
}
|