http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.crypto.test;

import org.bouncycastle.crypto.engines.BlowfishEngine;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTest;


blowfish tester - vectors from http://www.counterpane.com/vectors.txt

/**
 * blowfish tester - vectors from http://www.counterpane.com/vectors.txt
 */
public class BlowfishTest
    extends CipherTest
{
    static SimpleTest[]  tests = 
            {
                new BlockCipherVectorTest(0, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("0000000000000000")),
                        "0000000000000000", "4EF997456198DD78"),
                new BlockCipherVectorTest(1, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("FFFFFFFFFFFFFFFF")),
                        "FFFFFFFFFFFFFFFF", "51866FD5B85ECB8A"),
                new BlockCipherVectorTest(2, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("3000000000000000")),
                        "1000000000000001", "7D856F9A613063F2"),
                new BlockCipherVectorTest(3, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("1111111111111111")),
                        "1111111111111111", "2466DD878B963C9D"),
                new BlockCipherVectorTest(4, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("0123456789ABCDEF")),
                        "1111111111111111", "61F9C3802281B096"),
                new BlockCipherVectorTest(5, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("FEDCBA9876543210")),
                        "0123456789ABCDEF", "0ACEAB0FC6A0A28D"),
                new BlockCipherVectorTest(6, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("7CA110454A1A6E57")),
                        "01A1D6D039776742", "59C68245EB05282B"),
                new BlockCipherVectorTest(7, new BlowfishEngine(),
                        new KeyParameter(Hex.decode("0131D9619DC1376E")),
                        "5CD54CA83DEF57DA", "B1B8CC0B250F09A0"),
            };

    BlowfishTest()
    {
        super(tests, new BlowfishEngine(), new KeyParameter(new byte[16]));
    }

    public String getName()
    {
        return "Blowfish";
    }

    public static void main(
        String[]    args)
    {
        runTest(new BlowfishTest());
    }
}