/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.harmony.security.tests.java.security;
import java.math.BigInteger;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Provider;
import java.security.SecureRandom;
import java.security.Security;
import java.security.spec.DSAParameterSpec;
import java.security.interfaces.DSAPublicKey;
import java.security.interfaces.DSAParams;
public class KeyPairGenerator4Test extends junit.framework.TestCase {
/**
* @tests java.security.KeyPairGenerator#genKeyPair()
*/
public void test_genKeyPair() throws Exception {
KeyPairGenerator gen = KeyPairGenerator.getInstance("DSA");
gen.initialize(1024);
assertNotNull("KeyPair is null", gen.genKeyPair());
}
/**
* @tests java.security.KeyPairGenerator#getAlgorithm()
*/
public void test_getAlgorithm() throws Exception {
String alg = KeyPairGenerator.getInstance("DSA").getAlgorithm();
assertEquals("getAlgorithm returned unexpected value", "DSA", alg);
}
/**
* @tests java.security.KeyPairGenerator#getInstance(java.lang.String)
*/
public void test_getInstanceLjava_lang_String() throws Exception {
KeyPairGenerator.getInstance("DSA");
}
/**
* @tests java.security.KeyPairGenerator#getInstance(java.lang.String,
* java.lang.String)
*/
public void test_getInstanceLjava_lang_StringLjava_lang_String()
throws Exception {
// Test1: Test with named provider
Provider[] providers = Security.getProviders("KeyPairGenerator.DSA");
for (int i = 0; i < providers.length; i++) {
KeyPairGenerator.getInstance("DSA", providers[i].getName());
}// end for
// Test2: Test with empty provider name - should raise
// IllegalArgumentException
try {
KeyPairGenerator.getInstance("DSA", "");
fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
}
/**
* @tests java.security.KeyPairGenerator#getProvider()
*/
public void test_getProvider() throws Exception {
Provider p = KeyPairGenerator.getInstance("DSA").getProvider();
assertNotNull("provider is null", p);
}
/**
* @tests java.security.KeyPairGenerator#initialize(int)
*/
public void test_initializeI() throws Exception {
KeyPairGenerator keyPair = KeyPairGenerator.getInstance("DSA");
keyPair.initialize(1024);
}
/**
* @tests java.security.KeyPairGenerator#initialize(int,
* java.security.SecureRandom)
*/
public void test_initializeILjava_security_SecureRandom() throws Exception {
KeyPairGenerator keyPair = KeyPairGenerator.getInstance("DSA");
keyPair.initialize(1024, new SecureRandom());
}
/**
* @tests java.security.KeyPairGenerator#initialize(java.security.spec.AlgorithmParameterSpec)
*/
public void test_initializeLjava_security_spec_AlgorithmParameterSpec()
throws Exception {
// create DSAParams
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("DSA");
keyPairGenerator.initialize(1024);
DSAPublicKey key = (DSAPublicKey) keyPairGenerator.genKeyPair()
.getPublic();
DSAParams params = key.getParams();
KeyPairGenerator keyPair = KeyPairGenerator.getInstance("DSA");
keyPair.initialize(new DSAParameterSpec(params.getP(), params.getQ(),
params.getG()));
}
/**
* @tests java.security.KeyPairGenerator#initialize(java.security.spec.AlgorithmParameterSpec,
* java.security.SecureRandom)
*/
public void test_initializeLjava_security_spec_AlgorithmParameterSpecLjava_security_SecureRandom()
throws Exception {
// create DSAParams
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("DSA");
keyPairGenerator.initialize(1024);
DSAPublicKey key = (DSAPublicKey) keyPairGenerator.genKeyPair()
.getPublic();
DSAParams params = key.getParams();
KeyPairGenerator keyPair = KeyPairGenerator.getInstance("DSA");
keyPair.initialize(new DSAParameterSpec(params.getP(), params.getQ(),
params.getG()), new SecureRandom());
}
}