/*
* 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.common.config.keys;
import java.security.KeyPair;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.apache.sshd.common.cipher.ECCurves;
import org.apache.sshd.common.util.GenericUtils;
import org.apache.sshd.common.util.security.SecurityUtils;
import org.apache.sshd.util.test.BaseTestSupport;
import org.apache.sshd.util.test.Utils;
import org.junit.AfterClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
public class KeyRandomArtTest extends BaseTestSupport {
private static final Collection<KeyPair> KEYS = new LinkedList<>();
private final String algorithm;
private final int keySize;
private final KeyPair keyPair;
public KeyRandomArtTest(String algorithm, int keySize) throws Exception {
this.algorithm = algorithm;
this.keySize = keySize;
this.keyPair = Utils.generateKeyPair(algorithm, keySize);
KEYS.add(this.keyPair);
}
@Parameters(name = "algorithm={0}, key-size={1}")
public static List<Object[]> parameters() {
List<Object[]> params = new ArrayList<>();
for (int keySize : RSA_SIZES) {
params.add(new Object[]{KeyUtils.RSA_ALGORITHM, keySize});
}
for (int keySize : DSS_SIZES) {
params.add(new Object[]{KeyUtils.DSS_ALGORITHM, keySize});
}
for (ECCurves curve : ECCurves.VALUES) {
params.add(new Object[]{KeyUtils.EC_ALGORITHM, curve.getKeySize()});
}
if (SecurityUtils.isEDDSACurveSupported()) {
for (int keySize : ED25519_SIZES) {
params.add(new Object[]{SecurityUtils.EDDSA, keySize});
}
}
return params;
}
@AfterClass
public static void dumpAllArts() throws Exception {
KeyRandomArt.combine(System.out, ' ', () -> KEYS);
}
@Test
public void testRandomArtString() throws Exception {
KeyRandomArt art = new KeyRandomArt(keyPair.getPublic());
assertEquals("Mismatched algorithem", algorithm, art.getAlgorithm());
assertEquals("Mismatched key size", keySize, art.getKeySize());
String s = art.toString();
String[] lines = GenericUtils.split(s, '\n');
assertEquals("Mismatched lines count", KeyRandomArt.FLDSIZE_Y + 2, lines.length);
for (int index = 0; index < lines.length; index++) {
String l = lines[index];
if ((l.length() > 0) && (l.charAt(l.length() - 1) == '\r')) {
l = l.substring(0, l.length() - 1);
lines[index] = l;
}
System.out.append('\t').println(l);
assertTrue("Mismatched line length #" + (index + 1) + ": " + l.length(), l.length() >= (KeyRandomArt.FLDSIZE_X + 2));
}
}
}