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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.*;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.*;
import java.util.Arrays;
import java.util.stream.IntStream;
import static javax.crypto.Cipher.PRIVATE_KEY;
import static javax.crypto.Cipher.PUBLIC_KEY;
/**
* @test
* @bug 8146293 8242556 8172366
* @summary Test RSASSA-PSS AlgorithmParameters impl of SunRsaSign provider.
* @run main PSSParametersTest
*/
public class PSSParametersTest {
/**
* JDK default RSA Provider.
*/
private static final String PROVIDER =
System.getProperty("test.provider.name", "SunRsaSign");
private static final String PSS_ALGO = "RSASSA-PSS";
private static final String PSS_OID = "1.2.840.113549.1.1.10";
public static void main(String[] args) throws Exception {
System.out.println("Testing against DEFAULT parameters");
test(PSSParameterSpec.DEFAULT);
System.out.println("Testing against custom parameters");
test(new PSSParameterSpec("SHA-512/224", "MGF1",
MGF1ParameterSpec.SHA384, 100, 1));
test(new PSSParameterSpec("SHA3-256", "MGF1",
new MGF1ParameterSpec("SHA3-256"), 256>>3, 1));
System.out.println("Test Passed");
}
// test the given spec by first initializing w/ it, generate the DER
// bytes, then initialize w/ the DER bytes, retrieve the spec.
// compare both spec for equality and throw exception if the check failed.
private static void test(PSSParameterSpec spec) throws Exception {
System.out.println("Testing PSS spec: " + spec);
String ALGORITHMS[] = { PSS_ALGO, PSS_OID };
for (String alg : ALGORITHMS) {
AlgorithmParameters params = AlgorithmParameters.getInstance
(alg, PROVIDER);
params.init(spec);
byte[] encoded = params.getEncoded();
AlgorithmParameters params2 = AlgorithmParameters.getInstance
(alg, PROVIDER);
params2.init(encoded);
PSSParameterSpec spec2 = params2.getParameterSpec
(PSSParameterSpec.class);
if (!isEqual(spec, spec2)) {
throw new RuntimeException("Spec check Failed for " + alg);
}
}
}
private static boolean isEqual(PSSParameterSpec spec,
PSSParameterSpec spec2) throws Exception {
if (spec == spec2) return true;
if (spec == null || spec2 == null) return false;
if (!spec.getDigestAlgorithm().equals(spec2.getDigestAlgorithm())) {
System.out.println("Different digest algorithms: " +
spec.getDigestAlgorithm() + " vs " + spec2.getDigestAlgorithm());
return false;
}
if (!spec.getMGFAlgorithm().equals(spec2.getMGFAlgorithm())) {
System.out.println("Different MGF algorithms: " +
spec.getMGFAlgorithm() + " vs " + spec2.getMGFAlgorithm());
return false;
}
if (spec.getSaltLength() != spec2.getSaltLength()) {
System.out.println("Different Salt Length: " +
spec.getSaltLength() + " vs " + spec2.getSaltLength());
return false;
}
if (spec.getTrailerField() != spec2.getTrailerField()) {
System.out.println("Different TrailerField: " +
spec.getTrailerField() + " vs " + spec2.getTrailerField());
return false;
}
// continue checking MGF Parameters
AlgorithmParameterSpec mgfParams = spec.getMGFParameters();
AlgorithmParameterSpec mgfParams2 = spec2.getMGFParameters();
if (mgfParams == mgfParams2) return true;
if (mgfParams == null || mgfParams2 == null) {
System.out.println("Different MGF Parameters: " +
mgfParams + " vs " + mgfParams2);
return false;
}
if (mgfParams instanceof MGF1ParameterSpec) {
if (mgfParams2 instanceof MGF1ParameterSpec) {
boolean result =
((MGF1ParameterSpec)mgfParams).getDigestAlgorithm().equals
(((MGF1ParameterSpec)mgfParams2).getDigestAlgorithm());
if (!result) {
System.out.println("Different MGF1 digest algorithms: " +
((MGF1ParameterSpec)mgfParams).getDigestAlgorithm() +
" vs " +
((MGF1ParameterSpec)mgfParams2).getDigestAlgorithm());
}
return result;
} else {
System.out.println("Different MGF Parameters types: " +
mgfParams.getClass() + " vs " + mgfParams2.getClass());
return false;
}
}
throw new RuntimeException("Unrecognized MGFParameters: " + mgfParams);
}
}
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