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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
* @library /test/lib
* @run main ChaCha20Poly1305ParametersUnitTest
* @summary Unit test for com.sun.crypto.provider.ChaCha20Poly1305Parameters.
*/
import java.io.IOException;
import java.security.AlgorithmParameters;
import java.security.spec.InvalidParameterSpecException;
import java.util.Arrays;
import javax.crypto.spec.ChaCha20ParameterSpec;
import javax.crypto.spec.IvParameterSpec;
public class ChaCha20Poly1305ParametersUnitTest {
private static final String ALGORITHM = "ChaCha20-Poly1305";
private static final byte[] NONCE = {
0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8 };
private static final byte[] PARAM = {
4, 12, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8 };
private static final byte[] BAD_NONCE = {
0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
private static final byte[] BAD_PARAM = {
4, 13, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
public static void main(String[] args) throws Exception {
testInit();
testGetParameterSpec();
testGetEncoded();
}
private static void testInit() throws Exception {
System.out.println("== init ==");
AlgorithmParameters ap = AlgorithmParameters.getInstance(ALGORITHM);
ap.init(new IvParameterSpec(NONCE));
System.out.println("AlgorithmParameters: " + ap);
ap = AlgorithmParameters.getInstance(ALGORITHM);
ap.init(PARAM);
ap = AlgorithmParameters.getInstance(ALGORITHM);
try {
ap.init(new ChaCha20ParameterSpec(NONCE, 0));
throw new RuntimeException("IvParameterSpec is needed");
} catch (InvalidParameterSpecException e) {
System.out.println("Expected " + e);
}
ap = AlgorithmParameters.getInstance(ALGORITHM);
try {
ap.init(new IvParameterSpec(BAD_NONCE));
throw new RuntimeException("Nonce must be 96 bits in length");
} catch (InvalidParameterSpecException e) {
System.out.println("Expected " + e);
}
ap = AlgorithmParameters.getInstance(ALGORITHM);
try {
ap.init(BAD_PARAM);
throw new RuntimeException("Nonce must be 96 bits in length");
} catch (IOException e) {
System.out.println("Expected " + e);
}
}
private static void testGetParameterSpec() throws Exception {
System.out.println("== getParameterSpec ==");
AlgorithmParameters ap = AlgorithmParameters.getInstance(ALGORITHM);
ap.init(PARAM);
IvParameterSpec paramSpec = ap.getParameterSpec(IvParameterSpec.class);
byte[] nonce = paramSpec.getIV();
System.out.println("Nonce: " + Arrays.toString(nonce));
Arrays.equals(nonce, NONCE);
try {
ap.getParameterSpec(ChaCha20ParameterSpec.class);
throw new RuntimeException("IvParameterSpec is needed");
} catch (InvalidParameterSpecException e) {
System.out.println("Expected " + e);
}
}
private static void testGetEncoded() throws Exception {
System.out.println("== getEncoded ==");
AlgorithmParameters ap = AlgorithmParameters.getInstance(ALGORITHM);
ap.init(PARAM);
byte[] defaultFormatEncoded = ap.getEncoded();
System.out.println("Default format encoding: "
+ Arrays.toString(defaultFormatEncoded));
if (!Arrays.equals(defaultFormatEncoded, PARAM)) {
throw new RuntimeException("Default format encoding failed");
}
byte[] asn1FormatEncoded = ap.getEncoded("ASN.1");
System.out.println("ASN.1 format encoding: "
+ Arrays.toString(asn1FormatEncoded));
if (!Arrays.equals(asn1FormatEncoded, PARAM)) {
throw new RuntimeException("ASN.1 format encoding failed");
}
byte[] nullFormatEncoded = ap.getEncoded(null);
System.out.println("Null format encoding: "
+ Arrays.toString(nullFormatEncoded));
if (!Arrays.equals(nullFormatEncoded, PARAM)) {
throw new RuntimeException("Null format encoding failed");
}
try {
ap.getEncoded("BAD");
throw new RuntimeException("Format must be ASN.1");
} catch (IOException e) {
System.out.println("Expected " + e);
}
}
}
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