/*
* 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.sshd;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.util.Arrays;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Logger;
import com.jcraft.jsch.UserInfo;
import org.apache.sshd.common.Cipher;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.common.Random;
import org.apache.sshd.common.cipher.AES128CBC;
import org.apache.sshd.common.cipher.AES192CBC;
import org.apache.sshd.common.cipher.AES256CBC;
import org.apache.sshd.common.cipher.BlowfishCBC;
import org.apache.sshd.common.cipher.TripleDESCBC;
import org.apache.sshd.common.cipher.CipherNone;
import org.apache.sshd.common.keyprovider.FileKeyPairProvider;
import org.apache.sshd.common.random.BouncyCastleRandom;
import org.apache.sshd.util.BogusPasswordAuthenticator;
import org.apache.sshd.util.EchoShellFactory;
import org.junit.After;
import static org.junit.Assert.assertEquals;
import org.junit.Ignore;
import org.junit.Test;
/**
* Test Cipher algorithms.
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class CipherTest {
private SshServer sshd;
private int port;
@Test
public void testAES128CBC() throws Exception {
setUp(new AES128CBC.Factory());
runTest();
}
@Test
@Ignore("AES192CBC is not always available by default")
public void testAES192CBC() throws Exception {
setUp(new AES192CBC.Factory());
runTest();
}
@Test
@Ignore("AES256CBC is not always available by default")
public void testAES256CBC() throws Exception {
setUp(new AES256CBC.Factory());
runTest();
}
@Test
public void testBlowfishCBC() throws Exception {
setUp(new BlowfishCBC.Factory());
runTest();
}
@Test
public void testTripleDESCBC() throws Exception {
setUp(new TripleDESCBC.Factory());
runTest();
}
@Test
public void loadTest() throws Exception {
Random random = new BouncyCastleRandom();
loadTest(new AES128CBC.Factory(), random);
loadTest(new BlowfishCBC.Factory(), random);
loadTest(new TripleDESCBC.Factory(), random);
}
protected void loadTest(NamedFactory<Cipher> factory, Random random) throws Exception {
Cipher cipher = factory.create();
byte[] key = new byte[cipher.getBlockSize()];
byte[] iv = new byte[cipher.getIVSize()];
random.fill(key, 0, key.length);
random.fill(iv, 0, iv.length);
cipher.init(Cipher.Mode.Encrypt, key, iv);
byte[] input = new byte[cipher.getBlockSize()];
random.fill(input, 0, input.length);
long t0 = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
cipher.update(input, 0, input.length);
}
long t1 = System.currentTimeMillis();
System.err.println(factory.getName() + ": " + (t1 - t0) + " ms");
}
protected void setUp(NamedFactory<org.apache.sshd.common.Cipher> cipher) throws Exception {
ServerSocket s = new ServerSocket(0);
port = s.getLocalPort();
s.close();
sshd = SshServer.setUpDefaultServer();
sshd.setPort(port);
sshd.setKeyPairProvider(new FileKeyPairProvider(new String[] { "src/test/resources/hostkey.pem" }));
sshd.setCipherFactories(Arrays.<NamedFactory<org.apache.sshd.common.Cipher>>asList(cipher));
sshd.setShellFactory(new EchoShellFactory());
sshd.setPasswordAuthenticator(new BogusPasswordAuthenticator());
sshd.start();
}
@After
public void tearDown() throws Exception {
if (sshd != null) {
sshd.stop();
}
}
protected void runTest() throws Exception {
JSch sch = new JSch();
JSch.setConfig("cipher.s2c", "aes128-cbc,3des-cbc,blowfish-cbc,aes192-cbc,aes256-cbc,none");
JSch.setConfig("cipher.c2s", "aes128-cbc,3des-cbc,blowfish-cbc,aes192-cbc,aes256-cbc,none");
sch.setLogger(new Logger() {
public boolean isEnabled(int i) {
return true;
}
public void log(int i, String s) {
System.out.println("Log(jsch," + i + "): " + s);
}
});
com.jcraft.jsch.Session s = sch.getSession("smx", "localhost", port);
s.setUserInfo(new UserInfo() {
public String getPassphrase() {
return null;
}
public String getPassword() {
return "smx";
}
public boolean promptPassword(String message) {
return true;
}
public boolean promptPassphrase(String message) {
return false;
}
public boolean promptYesNo(String message) {
return true;
}
public void showMessage(String message) {
}
});
s.connect();
com.jcraft.jsch.Channel c = s.openChannel("shell");
c.connect();
OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream();
for (int i = 0; i < 10; i++) {
os.write("this is my command\n".getBytes());
os.flush();
byte[] data = new byte[512];
int len = is.read(data);
String str = new String(data, 0, len);
assertEquals("this is my command\n", str);
}
c.disconnect();
s.disconnect();
}
}