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Viewing changes to test/src/org/bouncycastle/crypto/test/CTSTest.java

  • Committer: Brian Thomason
  • Date: 2011-12-20 17:20:32 UTC
  • Revision ID: brian.thomason@canonical.com-20111220172032-rdtm13jgdxtksacr
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test/src/org/bouncycastle/crypto/test/CTSTest.java
 
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package org.bouncycastle.crypto.test;
 
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import org.bouncycastle.crypto.BlockCipher;
 
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import org.bouncycastle.crypto.BufferedBlockCipher;
 
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import org.bouncycastle.crypto.CipherParameters;
 
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import org.bouncycastle.crypto.engines.DESEngine;
 
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import org.bouncycastle.crypto.engines.SkipjackEngine;
 
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import org.bouncycastle.crypto.modes.CBCBlockCipher;
 
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import org.bouncycastle.crypto.modes.CTSBlockCipher;
 
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import org.bouncycastle.crypto.params.KeyParameter;
 
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import org.bouncycastle.crypto.params.ParametersWithIV;
 
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import org.bouncycastle.util.encoders.Hex;
 
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import org.bouncycastle.util.test.SimpleTest;
 
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/**
 
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 * CTS tester
 
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 */
 
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public class CTSTest
 
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    extends SimpleTest
 
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{
 
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    static byte[]   in1 = Hex.decode("4e6f7720697320746865207420");
 
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    static byte[]   in2 = Hex.decode("000102030405060708090a0b0c0d0e0fff0102030405060708090a0b0c0d0e0f0aaa");
 
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    static byte[]   out1 = Hex.decode("9952f131588465033fa40e8a98");
 
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    static byte[]   out2 = Hex.decode("358f84d01eb42988dc34efb994");
 
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    static byte[]   out3 = Hex.decode("170171cfad3f04530c509b0c1f0be0aefbd45a8e3755a873bff5ea198504b71683c6");
 
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    private void testCTS(
 
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        int                 id,
 
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        BlockCipher         cipher,
 
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        CipherParameters    params,
 
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        byte[]              input,
 
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        byte[]              output)
 
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        throws Exception
 
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    {
 
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        byte[]                  out = new byte[input.length];
 
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        BufferedBlockCipher     engine = new CTSBlockCipher(cipher);
 
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        engine.init(true, params);
 
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        int len = engine.processBytes(input, 0, input.length, out, 0);
 
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        engine.doFinal(out, len);
 
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        if (!areEqual(output, out))
 
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        {
 
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            fail("failed encryption expected " + new String(Hex.encode(output)) + " got " + new String(Hex.encode(out)));
 
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        }
 
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        engine.init(false, params);
 
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        len = engine.processBytes(output, 0, output.length, out, 0);
 
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        engine.doFinal(out, len);
 
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        if (!areEqual(input, out))
 
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        {
 
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            fail("failed encryption expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
 
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        }
 
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    }
 
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    public String getName()
 
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    {
 
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        return "CTS";
 
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    }
 
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    public void performTest() 
 
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        throws Exception
 
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    {
 
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        byte[]  key1 = { (byte)0x01, (byte)0x23, (byte)0x45, (byte)0x67, (byte)0x89, (byte)0xAB, (byte)0xCD, (byte)0xEF };
 
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        byte[]  key2 = { (byte)0x01, (byte)0x23, (byte)0x45, (byte)0x67, (byte)0x89, (byte)0xAB, (byte)0xCD, (byte)0xEF, (byte)0xee, (byte)0xff  };
 
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        byte[]  iv = { 1, 2, 3, 4, 5, 6, 7, 8 };
 
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        testCTS(1, new DESEngine(), new KeyParameter(key1), in1, out1);
 
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        testCTS(2, new CBCBlockCipher(new DESEngine()), new ParametersWithIV(new KeyParameter(key1), iv), in1, out2);
 
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        testCTS(3, new CBCBlockCipher(new SkipjackEngine()), new ParametersWithIV(new KeyParameter(key2), iv), in2, out3);
 
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    }
 
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    public static void main(
 
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        String[]    args)
 
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    {
 
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        runTest(new CTSTest());
 
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    }
 
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}