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/*
* Copyright (c) 2018, 2024, 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.
*
* 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.
*/
import java.security.*;
class DigestBase extends MessageDigestSpi {
private MessageDigest digest = null;
public DigestBase(String alg, String provider) throws Exception {
digest = MessageDigest.getInstance(alg, provider);
}
@Override
protected void engineUpdate(byte input) {
digest.update(input);
}
@Override
protected void engineUpdate(byte[] input, int offset, int len) {
digest.update(input, offset, len);
}
@Override
protected byte[] engineDigest() {
return digest.digest();
}
@Override
protected void engineReset() {
digest.reset();
}
public static final class MD5 extends DigestBase {
public MD5() throws Exception {
super("MD5", "SUN");
}
}
public static final class SHA extends DigestBase {
public SHA() throws Exception {
super("SHA", System.getProperty("test.provider.name", "SUN"));
}
}
public static final class SHA256 extends DigestBase {
public SHA256() throws Exception {
super("SHA-256", System.getProperty("test.provider.name", "SUN"));
}
}
}
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