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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package tests.security.interfaces;
import junit.framework.TestCase;
import java.security.KeyPairGenerator;
import java.security.interfaces.DSAKey;
import java.security.interfaces.DSAParams;
import java.security.spec.DSAParameterSpec;
public class DSAKeyTest extends TestCase {
/**
* java.security.interfaces.DSAKey
* #getParams()
* test covers following use cases
* Case 1: check private key
* Case 2: check public key
*/
public void test_getParams() throws Exception {
DSAParams param = new DSAParameterSpec(Util.P, Util.Q, Util.G);
KeyPairGenerator gen = KeyPairGenerator.getInstance("DSA");
gen.initialize((DSAParameterSpec) param);
DSAKey key = null;
// Case 1: check private key
key = (DSAKey) gen.generateKeyPair().getPrivate();
assertDSAParamsEquals(param, key.getParams());
// Case 2: check public key
key = (DSAKey) gen.generateKeyPair().getPublic();
assertDSAParamsEquals(param, key.getParams());
}
private void assertDSAParamsEquals(DSAParams expected, DSAParams actual) {
assertEquals("P differ", expected.getP(), actual.getP());
assertEquals("Q differ", expected.getQ(), actual.getQ());
assertEquals("G differ", expected.getG(), actual.getG());
}
}
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