/*
* Copyright 2013 Licel LLC.
*
* 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 com.licel.jcardsim.crypto;
import javacard.security.KeyBuilder;
import javacard.security.RandomData;
import javacard.security.RSAPrivateKey;
import javacard.security.RSAPublicKey;
import javacardx.crypto.Cipher;
import junit.framework.TestCase;
import org.bouncycastle.util.Arrays;
/**
* Test for <code>AsymmetricCipherImpl</code> and <code>ByteContainer.getBigInteger()</code> method.
*/
public class RSACipherTest extends TestCase {
// RSA keypair data
private static final byte[] rsaPrivateKeyModulus = {
(byte) 0xbe, (byte) 0xdf, (byte) 0xd3, (byte) 0x7a, (byte) 0x08,
(byte) 0xe2, (byte) 0x9a, (byte) 0x58, (byte) 0x27, (byte) 0x54,
(byte) 0x2a, (byte) 0x49, (byte) 0x18, (byte) 0xce, (byte) 0xe4,
(byte) 0x1a, (byte) 0x60, (byte) 0xdc, (byte) 0x62, (byte) 0x75,
(byte) 0xbd, (byte) 0xb0, (byte) 0x8d, (byte) 0x15, (byte) 0xa3,
(byte) 0x65, (byte) 0xe6, (byte) 0x7b, (byte) 0xa9, (byte) 0xdc,
(byte) 0x09, (byte) 0x11, (byte) 0x5f, (byte) 0x9f, (byte) 0xbf,
(byte) 0x29, (byte) 0xe6, (byte) 0xc2, (byte) 0x82, (byte) 0xc8,
(byte) 0x35, (byte) 0x6b, (byte) 0x0f, (byte) 0x10, (byte) 0x9b,
(byte) 0x19, (byte) 0x62, (byte) 0xfd, (byte) 0xbd, (byte) 0x96,
(byte) 0x49, (byte) 0x21, (byte) 0xe4, (byte) 0x22, (byte) 0x08,
(byte) 0x08, (byte) 0x80, (byte) 0x6c, (byte) 0xd1, (byte) 0xde,
(byte) 0xa6, (byte) 0xd3, (byte) 0xc3, (byte) 0x8f };
private static final byte[] rsaPrivateKeyExponent = {
(byte) 0x84, (byte) 0x21, (byte) 0xfe, (byte) 0x0b, (byte) 0xa4,
(byte) 0xca, (byte) 0xf9, (byte) 0x7d, (byte) 0xbc, (byte) 0xfc,
(byte) 0x0e, (byte) 0xa9, (byte) 0xbb, (byte) 0x7a, (byte) 0xbd,
(byte) 0x7d, (byte) 0x65, (byte) 0x40, (byte) 0x2b, (byte) 0x08,
(byte) 0xc6, (byte) 0xdf, (byte) 0xc9, (byte) 0x4b, (byte) 0x09,
(byte) 0x6a, (byte) 0x29, (byte) 0x3b, (byte) 0xc2, (byte) 0x42,
(byte) 0x88, (byte) 0x23, (byte) 0x44, (byte) 0xaf, (byte) 0x08,
(byte) 0x82, (byte) 0x4c, (byte) 0xff, (byte) 0x42, (byte) 0xa4,
(byte) 0xb8, (byte) 0xd2, (byte) 0xda, (byte) 0xcc, (byte) 0xee,
(byte) 0xc5, (byte) 0x34, (byte) 0xed, (byte) 0x71, (byte) 0x01,
(byte) 0xab, (byte) 0x3b, (byte) 0x76, (byte) 0xde, (byte) 0x6c,
(byte) 0xa2, (byte) 0xcb, (byte) 0x7c, (byte) 0x38, (byte) 0xb6,
(byte) 0x9a, (byte) 0x4b, (byte) 0x28, (byte) 0x01 };
private static final byte[] rsaPublicKeyExponent = {
(byte) 0x01, (byte) 0x00, (byte) 0x01 };
public RSACipherTest(String testName) {
super(testName);
}
protected void setUp() throws Exception {
super.setUp();
}
protected void tearDown() throws Exception {
super.tearDown();
}
/**
* SelfTest of RSA Encryption/Decryption, of class AsymmetricCipherImpl and ByteContainer.getBigInteger() method.
*/
public void testSelfRSA() {
Cipher cipher = Cipher.getInstance(Cipher.ALG_RSA_NOPAD, false);
RSAPrivateKey privateKey = (RSAPrivateKey) KeyBuilder.buildKey(KeyBuilder.TYPE_RSA_PRIVATE, KeyBuilder.LENGTH_RSA_512, false);
RSAPublicKey publicKey = (RSAPublicKey) KeyBuilder.buildKey(KeyBuilder.TYPE_RSA_PUBLIC, KeyBuilder.LENGTH_RSA_512, false);
privateKey.setExponent(rsaPrivateKeyExponent, (short) 0, (short) rsaPrivateKeyExponent.length);
privateKey.setModulus(rsaPrivateKeyModulus, (short) 0,(short) rsaPrivateKeyModulus.length);
publicKey.setExponent(rsaPublicKeyExponent, (short) 0,(short) rsaPublicKeyExponent.length);
publicKey.setModulus(rsaPrivateKeyModulus, (short) 0,(short) rsaPrivateKeyModulus.length);
cipher.init(publicKey, Cipher.MODE_ENCRYPT);
byte[] msg = new byte[63];
byte[] encryptedMsg = new byte[64];
RandomData rnd = RandomData.getInstance(RandomData.ALG_PSEUDO_RANDOM);
rnd.generateData(msg, (short) 0, (short) msg.length);
cipher.doFinal(msg, (short) 0, (short) msg.length, encryptedMsg, (short) 0);
cipher.init(privateKey, Cipher.MODE_DECRYPT);
byte[] decryptedMsg = new byte[msg.length];
cipher.doFinal(encryptedMsg, (short) 0, (short) encryptedMsg.length, decryptedMsg, (short) 0);
assertEquals(true, Arrays.areEqual(msg, decryptedMsg));
}
}