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/*
* 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.
*
* 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.
*/
/*
* @test
* @bug 8302017
* @summary Ensure that RSAPadding class works as expected after refactoring
* @modules java.base/sun.security.rsa
*/
import java.util.Arrays;
import sun.security.rsa.RSAPadding;
public class RSAPaddingCheck {
private static int[] PADDING_TYPES = {
RSAPadding.PAD_BLOCKTYPE_1,
RSAPadding.PAD_BLOCKTYPE_2,
RSAPadding.PAD_NONE,
RSAPadding.PAD_OAEP_MGF1,
};
public static void main(String[] args) throws Exception {
int size = 2048 >> 3;
byte[] testData = "This is some random to-be-padded Data".getBytes();
for (int type : PADDING_TYPES) {
byte[] data = (type == RSAPadding.PAD_NONE?
Arrays.copyOf(testData, size) : testData);
System.out.println("Testing PaddingType: " + type);
RSAPadding padding = RSAPadding.getInstance(type, size);
byte[] paddedData = padding.pad(data);
if (paddedData == null) {
throw new RuntimeException("Unexpected padding op failure!");
}
byte[] data2 = padding.unpad(paddedData);
if (data2 == null) {
throw new RuntimeException("Unexpected unpadding op failure!");
}
if (!Arrays.equals(data, data2)) {
throw new RuntimeException("diff check failure!");
}
}
}
}
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