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/*
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.util;
import java.util.Random;
import junit.framework.Assert;
public class TestingUtils {
public static Passphrase genPassphrase() {
return genPassphrase(false);
}
public static Passphrase genPassphrase(boolean noEmpty) {
String chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789!@#$%^&*()-_=";
Random r = new Random();
StringBuilder passbuilder = new StringBuilder();
// 20% chance for an empty passphrase
for(int i = 0, j = noEmpty || r.nextInt(10) > 2 ? r.nextInt(20)+1 : 0; i < j; i++) {
passbuilder.append(chars.charAt(r.nextInt(chars.length())));
}
System.out.println("Generated passphrase: '" + passbuilder.toString() + "'");
return new Passphrase(passbuilder.toString());
}
public static void assertArrayEqualsPrefix(String msg, byte[] expected, byte[] actual) {
Assert.assertTrue("exepected must be shorter or equal to actual array length",
expected.length <= actual.length);
for (int i = 0; i < expected.length; i++) {
Assert.assertEquals(msg, expected[i], actual[i]);
}
}
public static void assertArrayEqualsSuffix(String msg, byte[] expected, byte[] actual) {
Assert.assertTrue("exepected must be shorter or equal to actual array length",
expected.length <= actual.length);
for (int i = 0; i < expected.length; i++) {
Assert.assertEquals(msg, expected[i], actual[actual.length -expected.length +i]);
}
}
}
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