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/*
* Copyright (c) 2018, 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 8153029
* @summary ChaCha20 key generator test.
* @library /test/lib
*/
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidParameterException;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.ChaCha20ParameterSpec;
import jdk.test.lib.Utils;
public class ChaCha20KeyGeneratorTest {
public static void main(String[] args) throws Exception {
KeyGenerator generator = KeyGenerator.getInstance("ChaCha20");
try {
generator.init(new ChaCha20ParameterSpec(
Utils.toByteArray("100000000000000000000000"), 0));
throw new RuntimeException(
"ChaCha20 key generation should not consume AlgorithmParameterSpec");
} catch (InvalidAlgorithmParameterException e) {
System.out.println("Expected InvalidAlgorithmParameterException: "
+ e.getMessage());
}
for (int keySize : new int[] { 32, 64, 128, 512, 1024 }) {
try {
generator.init(keySize);
throw new RuntimeException("The key size for ChaCha20 must be 256");
} catch (InvalidParameterException e) {
System.out.println(
"Expected InvalidParameterException: " + keySize);
}
}
generator.init(256);
SecretKey key = generator.generateKey();
byte[] keyValue = key.getEncoded();
System.out.println("Key: " + Utils.toHexString(keyValue));
if (keyValue.length != 32) {
throw new RuntimeException("The size of generated key must be 256");
}
}
}
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