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/*
* Copyright (C) 2008 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 org.apache.harmony.crypto.tests.javax.crypto.func;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import javax.crypto.Cipher;
public class CipherRSAThread extends CipherThread {
CipherRSAThread(String name, int[] keys, String[] modes, String[] paddings) {
super(name, keys, modes, paddings);
}
@Override
public void crypt() throws Exception {
byte[] output = new byte[256];
byte[] decrypted = new byte[256];
int dataBlock = 20;
byte[] input = getData().substring(0, dataBlock).getBytes();
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
kpg.initialize(getKeyLength());
KeyPair kp = kpg.generateKeyPair();
Cipher cip = Cipher.getInstance(getAlgName() + "/" + getMode() + "/" +
getPadding());
cip.init(Cipher.ENCRYPT_MODE, kp.getPublic());
cip.doFinal(input, 0, input.length, output);
int outputSize = cip.getOutputSize(input.length);
cip.init(Cipher.DECRYPT_MODE, kp.getPrivate());
cip.doFinal(output, 0, outputSize, decrypted);
if ("NOPADDING".equals(getPadding())) {
checkPaddedEncodedData(input, decrypted, outputSize - input.length);
} else {
checkEncodedData(input, decrypted);
}
}
}
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