/*
* 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.
*/
/**
* @author Vera Y. Petrashkova
* @version $Revision$
*/
package org.apache.harmony.crypto.tests.javax.crypto;
import java.security.spec.AlgorithmParameterSpec;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.AlgorithmParameters;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.ShortBufferException;
import javax.crypto.CipherSpi;
import java.nio.ByteBuffer;
import junit.framework.TestCase;
/**
* Tests for <code>CipherSpi</code> class constructors and methods.
*
*/
public class CipherSpiTest extends TestCase {
class Mock_CipherSpi extends myCipherSpi {
@Override
protected byte[] engineDoFinal(byte[] input, int inputOffset, int inputLen)
throws IllegalBlockSizeException, BadPaddingException {
return super.engineDoFinal(input, inputOffset, inputLen);
}
@Override
protected int engineDoFinal(byte[] input, int inputOffset, int inputLen, byte[] output,
int outputOffset) throws ShortBufferException, IllegalBlockSizeException,
BadPaddingException {
return super.engineDoFinal(input, inputOffset, inputLen, output, outputOffset);
}
@Override
protected int engineGetBlockSize() {
return super.engineGetBlockSize();
}
@Override
protected byte[] engineGetIV() {
return super.engineGetIV();
}
@Override
protected int engineGetOutputSize(int inputLen) {
return super.engineGetOutputSize(inputLen);
}
@Override
protected AlgorithmParameters engineGetParameters() {
return super.engineGetParameters();
}
@Override
protected void engineInit(int opmode, Key key, SecureRandom random)
throws InvalidKeyException {
super.engineInit(opmode, key, random);
}
@Override
protected void engineInit(int opmode, Key key, AlgorithmParameterSpec params,
SecureRandom random) throws InvalidKeyException, InvalidAlgorithmParameterException {
super.engineInit(opmode, key, params, random);
}
@Override
protected void engineInit(int opmode, Key key, AlgorithmParameters params,
SecureRandom random) throws InvalidKeyException, InvalidAlgorithmParameterException {
super.engineInit(opmode, key, params, random);
}
@Override
protected void engineSetMode(String mode) throws NoSuchAlgorithmException {
super.engineSetMode(mode);
}
@Override
protected void engineSetPadding(String padding) throws NoSuchPaddingException {
super.engineSetPadding(padding);
}
@Override
protected byte[] engineUpdate(byte[] input, int inputOffset, int inputLen) {
return super.engineUpdate(input, inputOffset, inputLen);
}
@Override
protected int engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output,
int outputOffset) throws ShortBufferException {
return super.engineUpdate(input, inputOffset, inputLen, output, outputOffset);
}
@Override
protected int engineGetKeySize(Key key) throws InvalidKeyException {
return super.engineGetKeySize(key);
}
@Override
protected byte[] engineWrap(Key key) throws InvalidKeyException, IllegalBlockSizeException {
return super.engineWrap(key);
}
@Override
protected Key engineUnwrap(byte[] wrappedKey, String wrappedKeyAlgorithm, int wrappedKeyType)
throws InvalidKeyException, NoSuchAlgorithmException {
return super.engineUnwrap(wrappedKey, wrappedKeyAlgorithm, wrappedKeyType);
}
}
/**
* Test for <code>CipherSpi</code> constructor
* Assertion: constructs CipherSpi
*/
public void testCipherSpiTests01() throws IllegalBlockSizeException,
BadPaddingException, ShortBufferException {
Mock_CipherSpi cSpi = new Mock_CipherSpi();
assertEquals("BlockSize is not 0", cSpi.engineGetBlockSize(), 0);
assertEquals("OutputSize is not 0", cSpi.engineGetOutputSize(1), 0);
byte[] bb = cSpi.engineGetIV();
assertEquals("Length of result byte array is not 0", bb.length, 0);
assertNull("Not null result", cSpi.engineGetParameters());
byte[] bb1 = new byte[10];
byte[] bb2 = new byte[10];
bb = cSpi.engineUpdate(bb1, 1, 2);
assertEquals("Incorrect result of engineUpdate(byte, int, int)",
bb.length, 2);
bb = cSpi.engineDoFinal(bb1, 1, 2);
assertEquals("Incorrect result of engineDoFinal(byte, int, int)", 2,
bb.length);
assertEquals(
"Incorrect result of engineUpdate(byte, int, int, byte, int)",
cSpi.engineUpdate(bb1, 1, 2, bb2, 7), 2);
assertEquals(
"Incorrect result of engineDoFinal(byte, int, int, byte, int)",
2, cSpi.engineDoFinal(bb1, 1, 2, bb2, 0));
}
/**
* Test for <code>engineGetKeySize(Key)</code> method
* Assertion: It throws UnsupportedOperationException if it is not overridden
*/
public void testCipherSpi02() throws Exception {
Mock_CipherSpi cSpi = new Mock_CipherSpi();
try {
cSpi.engineGetKeySize(null);
fail("UnsupportedOperationException must be thrown");
} catch (UnsupportedOperationException e) {
}
}
/**
* Test for <code>engineWrap(Key)</code> method
* Assertion: It throws UnsupportedOperationException if it is not overridden
*/
public void testCipherSpi03() throws Exception {
Mock_CipherSpi cSpi = new Mock_CipherSpi();
try {
cSpi.engineWrap(null);
fail("UnsupportedOperationException must be thrown");
} catch (UnsupportedOperationException e) {
}
}
/**
* Test for <code>engineUnwrap(byte[], String, int)</code> method
* Assertion: It throws UnsupportedOperationException if it is not overridden
*/
public void testCipherSpi04() throws Exception {
Mock_CipherSpi cSpi = new Mock_CipherSpi();
try {
cSpi.engineUnwrap(new byte[0], "", 0);
fail("UnsupportedOperationException must be thrown");
} catch (UnsupportedOperationException e) {
}
}
/**
* Test for <code>engineUpdate(ByteBuffer, ByteBuffer)</code> method
* Assertions:
* throws NullPointerException if one of these buffers is null;
* throws ShortBufferException is there is no space in output to hold result
*/
public void testCipherSpi05() throws ShortBufferException {
Mock_CipherSpi cSpi = new Mock_CipherSpi();
byte[] bb = { (byte) 0, (byte) 1, (byte) 2, (byte) 3, (byte) 4,
(byte) 5, (byte) 6, (byte) 7, (byte) 8, (byte) 9, (byte) 10 };
int pos = 5;
int len = bb.length;
ByteBuffer bbNull = null;
ByteBuffer bb1 = ByteBuffer.allocate(len);
bb1.put(bb);
bb1.position(0);
try {
cSpi.engineUpdate(bbNull, bb1);
fail("NullPointerException must be thrown");
} catch (NullPointerException e) {
}
try {
cSpi.engineUpdate(bb1, bbNull);
fail("NullPointerException must be thrown");
} catch (NullPointerException e) {
}
ByteBuffer bb2 = ByteBuffer.allocate(bb.length);
bb1.position(len);
assertEquals("Incorrect number of stored bytes", 0, cSpi.engineUpdate(
bb1, bb2));
bb1.position(0);
bb2.position(len - 2);
try {
cSpi.engineUpdate(bb1, bb2);
fail("ShortBufferException bust be thrown. Output buffer remaining: "
.concat(Integer.toString(bb2.remaining())));
} catch (ShortBufferException e) {
}
bb1.position(10);
bb2.position(0);
assertTrue("Incorrect number of stored bytes", cSpi.engineUpdate(bb1,
bb2) > 0);
bb1.position(bb.length);
cSpi.engineUpdate(bb1, bb2);
bb1.position(pos);
bb2.position(0);
int res = cSpi.engineUpdate(bb1, bb2);
assertTrue("Incorrect result", res > 0);
}
/**
* Test for <code>engineDoFinal(ByteBuffer, ByteBuffer)</code> method
* Assertions:
* throws NullPointerException if one of these buffers is null;
* throws ShortBufferException is there is no space in output to hold result
*/
public void testCipherSpi06() throws BadPaddingException,
ShortBufferException, IllegalBlockSizeException {
Mock_CipherSpi cSpi = new Mock_CipherSpi();
int len = 10;
byte[] bbuf = new byte[len];
for (int i = 0; i < bbuf.length; i++) {
bbuf[i] = (byte) i;
}
ByteBuffer bb1 = ByteBuffer.wrap(bbuf);
ByteBuffer bbNull = null;
try {
cSpi.engineDoFinal(bbNull, bb1);
fail("NullPointerException must be thrown");
} catch (NullPointerException e) {
}
try {
cSpi.engineDoFinal(bb1, bbNull);
fail("NullPointerException must be thrown");
} catch (NullPointerException e) {
}
ByteBuffer bb2 = ByteBuffer.allocate(len);
bb1.position(bb1.limit());
assertEquals("Incorrect result", 0, cSpi.engineDoFinal(bb1, bb2));
bb1.position(0);
bb2.position(len - 2);
try {
cSpi.engineDoFinal(bb1, bb2);
fail("ShortBufferException must be thrown. Output buffer remaining: "
.concat(Integer.toString(bb2.remaining())));
} catch (ShortBufferException e) {
}
int pos = 5;
bb1.position(pos);
bb2.position(0);
assertTrue("Incorrect result", cSpi.engineDoFinal(bb1, bb2) > 0);
}
}
/**
*
* Additional class for CipherGeneratorSpi constructor verification
*/
class myCipherSpi extends CipherSpi {
private byte[] initV;
private static byte[] resV = { (byte) 7, (byte) 6, (byte) 5, (byte) 4,
(byte) 3, (byte) 2, (byte) 1, (byte) 0 };
public myCipherSpi() {
this.initV = new byte[0];
}
protected void engineSetMode(String mode) throws NoSuchAlgorithmException {
}
protected void engineSetPadding(String padding)
throws NoSuchPaddingException {
}
protected int engineGetBlockSize() {
return 0;
}
protected int engineGetOutputSize(int inputLen) {
return 0;
}
protected byte[] engineGetIV() {
return new byte[0];
}
protected AlgorithmParameters engineGetParameters() {
return null;
}
protected void engineInit(int opmode, Key key, SecureRandom random)
throws InvalidKeyException {
}
protected void engineInit(int opmode, Key key,
AlgorithmParameterSpec params, SecureRandom random)
throws InvalidKeyException, InvalidAlgorithmParameterException {
}
protected void engineInit(int opmode, Key key, AlgorithmParameters params,
SecureRandom random) throws InvalidKeyException,
InvalidAlgorithmParameterException {
}
protected byte[] engineUpdate(byte[] input, int inputOffset, int inputLen) {
if (initV.length < inputLen) {
initV = new byte[inputLen];
}
for (int i = 0; i < inputLen; i++) {
initV[i] = input[inputOffset + i];
}
return initV;
}
protected int engineUpdate(byte[] input, int inputOffset, int inputLen,
byte[] output, int outputOffset) throws ShortBufferException {
byte []res = engineUpdate(input, inputOffset, inputLen);
int t = res.length;
if ((output.length - outputOffset) < t) {
throw new ShortBufferException("Update");
}
for (int i = 0; i < t; i++) {
output[i + outputOffset] = initV[i];
}
return t;
}
protected byte[] engineDoFinal(byte[] input, int inputOffset, int inputLen)
throws IllegalBlockSizeException, BadPaddingException {
if (resV.length > inputLen) {
byte[] bb = new byte[inputLen];
for (int i = 0; i < inputLen; i++) {
bb[i] = resV[i];
}
return bb;
}
return resV;
}
protected int engineDoFinal(byte[] input, int inputOffset, int inputLen,
byte[] output, int outputOffset) throws ShortBufferException,
IllegalBlockSizeException, BadPaddingException {
byte[] res = engineDoFinal(input, inputOffset, inputLen);
int t = res.length;
if ((output.length - outputOffset) < t) {
throw new ShortBufferException("DoFinal");
}
for (int i = 0; i < t; i++) {
output[i + outputOffset] = res[i];
}
return t;
}
protected int engineUpdate(ByteBuffer input, ByteBuffer output)
throws ShortBufferException {
return super.engineUpdate(input, output);
}
protected int engineDoFinal(ByteBuffer input, ByteBuffer output)
throws ShortBufferException, IllegalBlockSizeException,
BadPaddingException {
return super.engineDoFinal(input, output);
}
}