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8305310: Calculate PublicKey from PrivateKey

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Reviewed-by: mullan
This commit is contained in:
Weijun Wang 2023-04-10 00:55:16 +00:00
parent 50d7335206
commit 97276859ab
7 changed files with 166 additions and 39 deletions
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4
src/java.base/share/classes/sun/security/pkcs/PKCS8Key.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2023, 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
@ -58,7 +58,7 @@ import sun.security.util.*;
*
* We support this format but do not parse attributes and publicKey now.
*/
public class PKCS8Key implements PrivateKey {
public class PKCS8Key implements PrivateKey, InternalPrivateKey {
/** use serialVersionUID from JDK 1.1. for interoperability */
@java.io.Serial

41
src/java.base/share/classes/sun/security/util/InternalPrivateKey.java Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (c) 2023, 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.security.PublicKey;
/**
* Extra private methods on a private key.
*/
public interface InternalPrivateKey {
/**
* Calculates a matching public key.
* @return the public key
* @throws UnsupportedOperationException if not supported
*/
default PublicKey calculatePublicKey() {
throw new UnsupportedOperationException();
}
}