/
KeyAgreementHelper.java
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/
KeyAgreementHelper.java
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/*
* Copyright (C) 2009 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;
import java.security.InvalidKeyException;
import java.security.KeyPair;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import javax.crypto.KeyAgreement;
import junit.framework.Assert;
public class KeyAgreementHelper extends TestHelper<KeyPair> {
private final String algorithmName;
public KeyAgreementHelper(String algorithmName) {
this.algorithmName = algorithmName;
}
@Override public void test(KeyPair keyPair) {
test(keyPair.getPrivate(), keyPair.getPublic());
}
void test(PrivateKey encryptKey, PublicKey decryptKey) {
KeyAgreement keyAgreement = null;
try {
keyAgreement = KeyAgreement.getInstance(algorithmName);
} catch (NoSuchAlgorithmException e) {
Assert.fail(e.getMessage());
}
try {
keyAgreement.init(encryptKey);
} catch (InvalidKeyException e) {
Assert.fail(e.getMessage());
}
try {
keyAgreement.doPhase(decryptKey, true);
} catch (InvalidKeyException e) {
Assert.fail(e.getMessage());
} catch (IllegalStateException e) {
Assert.fail(e.getMessage());
}
Assert.assertNotNull("generated secret is null", keyAgreement
.generateSecret());
}
}