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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/com/sun/crypto/provider/KeyGenerator/TestExplicitKeyLength.java Normal file
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/*
* Copyright (c) 2003, 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.
*/
/*
* @test
* @bug 4959235
* @summary Verify that ARCFOUR KeyGenerator generate keys according
* to the key length explicitly specified in the init() call.
*
* @author Valerie Peng
*/
import java.security.*;
import javax.crypto.*;
import java.util.*;
public class TestExplicitKeyLength {
private static final String ALGOS[] = { "RC2", "ARCFOUR", "AES", "AES", "AES" };
private static final int KEY_SIZES[] =
{ 64, 80, 128, 192, 256 }; // in bits
public static void runTest(String algo, int keysize) throws Exception {
KeyGenerator kg = KeyGenerator.getInstance(algo,
System.getProperty("test.provider.name", "SunJCE"));
kg.init(keysize);
Key generatedKey = kg.generateKey();
int actualSizeInBits = generatedKey.getEncoded().length*8;
if (actualSizeInBits != keysize) {
throw new Exception("generated key has wrong length: " +
actualSizeInBits + " bits");
}
}
public static void main (String[] args) throws Exception {
for (int i = 0; i < ALGOS.length; i++) {
System.out.println("Testing " + ALGOS[i] + " KeyGenerator with " +
KEY_SIZES[i] + "-bit keysize");
runTest(ALGOS[i], KEY_SIZES[i]);
}
System.out.println("Tests Passed");
}
}