com.fitbur.bouncycastle.crypto.test.AESWrapTest Maven / Gradle / Ivy

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package com.fitbur.bouncycastle.crypto.test;

import com.fitbur.bouncycastle.crypto.DataLengthException;
import com.fitbur.bouncycastle.crypto.InvalidCipherTextException;
import com.fitbur.bouncycastle.crypto.Wrapper;
import com.fitbur.bouncycastle.crypto.engines.AESWrapEngine;
import com.fitbur.bouncycastle.crypto.params.KeyParameter;
import com.fitbur.bouncycastle.util.Arrays;
import com.fitbur.bouncycastle.util.encoders.Hex;
import com.fitbur.bouncycastle.util.test.SimpleTestResult;
import com.fitbur.bouncycastle.util.test.Test;
import com.fitbur.bouncycastle.util.test.TestResult;

/**
 * Wrap Test
 */
public class AESWrapTest
    implements Test
{
    public String getName()
    {
        return "AESWrap";
    }

    private TestResult wrapTest(
        int     id,
        byte[]  kek,
        byte[]  in,
        byte[]  out)
    {
        Wrapper wrapper = new AESWrapEngine();

        wrapper.init(true, new KeyParameter(kek));

        try
        {
            byte[]  cText = wrapper.wrap(in, 0, in.length);
            if (!Arrays.areEqual(cText, out))
            {
                return new SimpleTestResult(false, getName() + ": failed wrap test " + id  + " expected " + new String(Hex.encode(out)) + " got " + new String(Hex.encode(cText)));
            }
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, getName() + ": failed wrap test exception " + e.toString());
        }

        wrapper.init(false, new KeyParameter(kek));

        try
        {
            byte[]  pText = wrapper.unwrap(out, 0, out.length);
            if (!Arrays.areEqual(pText, in))
            {
                return new SimpleTestResult(false, getName() + ": failed unwrap test " + id  + " expected " + new String(Hex.encode(in)) + " got " + new String(Hex.encode(pText)));
            }
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, getName() + ": failed unwrap test exception.", e);
        }

        //
        // offset test
        //
        byte[] pText = new byte[5 + in.length];
        byte[]  cText;

        System.arraycopy(in, 0, pText, 5, in.length);

        wrapper.init(true, new KeyParameter(kek));

        try
        {
            cText = wrapper.wrap(pText, 5, in.length);
            if (!Arrays.areEqual(cText, out))
            {
                return new SimpleTestResult(false, getName() + ": failed wrap test " + id  + " expected " + new String(Hex.encode(out)) + " got " + new String(Hex.encode(cText)));
            }
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, getName() + ": failed wrap test exception " + e.toString());
        }

        wrapper.init(false, new KeyParameter(kek));

        cText = new byte[6 + out.length];
        System.arraycopy(out, 0, cText, 6, out.length);

        try
        {
            pText = wrapper.unwrap(cText, 6, out.length);
            if (!Arrays.areEqual(pText, in))
            {
                return new SimpleTestResult(false, getName() + ": failed unwrap test " + id  + " expected " + new String(Hex.encode(in)) + " got " + new String(Hex.encode(pText)));
            }
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, getName() + ": failed unwrap test exception.", e);
        }

        return new SimpleTestResult(true, getName() + ": Okay");
    }

    public TestResult perform()
    {
        byte[]  kek1 = Hex.com.fitburcode("000102030405060708090a0b0c0d0e0f");
        byte[]  in1 = Hex.com.fitburcode("00112233445566778899aabbccddeeff");
        byte[]  out1 = Hex.com.fitburcode("1fa68b0a8112b447aef34bd8fb5a7b829d3e862371d2cfe5");
        TestResult result = wrapTest(1, kek1, in1, out1);
        
        if (!result.isSuccessful())
        {
            return result;
        }

        byte[]  kek2 = Hex.com.fitburcode("000102030405060708090a0b0c0d0e0f1011121314151617");
        byte[]  in2 = Hex.com.fitburcode("00112233445566778899aabbccddeeff");
        byte[]  out2 = Hex.com.fitburcode("96778b25ae6ca435f92b5b97c050aed2468ab8a17ad84e5d");
        result = wrapTest(2, kek2, in2, out2);
        if (!result.isSuccessful())
        {
            return result;
        }

        byte[]  kek3 = Hex.com.fitburcode("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
        byte[]  in3 = Hex.com.fitburcode("00112233445566778899aabbccddeeff");
        byte[]  out3 = Hex.com.fitburcode("64e8c3f9ce0f5ba263e9777905818a2a93c8191e7d6e8ae7");
        result = wrapTest(3, kek3, in3, out3);
        if (!result.isSuccessful())
        {
            return result;
        }

        byte[]  kek4 = Hex.com.fitburcode("000102030405060708090a0b0c0d0e0f1011121314151617");
        byte[]  in4 = Hex.com.fitburcode("00112233445566778899aabbccddeeff0001020304050607");
        byte[]  out4 = Hex.com.fitburcode("031d33264e15d33268f24ec260743edce1c6c7ddee725a936ba814915c6762d2");
        result = wrapTest(4, kek4, in4, out4);
        if (!result.isSuccessful())
        {
            return result;
        }

        byte[]  kek5 = Hex.com.fitburcode("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
        byte[]  in5 = Hex.com.fitburcode("00112233445566778899aabbccddeeff0001020304050607");
        byte[]  out5 = Hex.com.fitburcode("a8f9bc1612c68b3ff6e6f4fbe30e71e4769c8b80a32cb8958cd5d17d6b254da1");
        result = wrapTest(5, kek5, in5, out5);
        if (!result.isSuccessful())
        {
            return result;
        }

        byte[]  kek6 = Hex.com.fitburcode("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
        byte[]  in6 = Hex.com.fitburcode("00112233445566778899aabbccddeeff000102030405060708090a0b0c0d0e0f");
        byte[]  out6 = Hex.com.fitburcode("28c9f404c4b810f4cbccb35cfb87f8263f5786e2d80ed326cbc7f0e71a99f43bfb988b9b7a02dd21");
        result = wrapTest(6, kek6, in6, out6);
        if (!result.isSuccessful())
        {
            return result;
        }

        Wrapper      wrapper = new AESWrapEngine();
        KeyParameter key = new KeyParameter(new byte[16]);
        byte[]       buf = new byte[16];
        
        try
        {
            wrapper.init(true, key);
            
            wrapper.unwrap(buf, 0, buf.length);
            
            return new SimpleTestResult(false, getName() + ": failed unwrap state test.");
        }
        catch (IllegalStateException e)
        {
            // expected
        }
        catch (InvalidCipherTextException e)
        {
            return new SimpleTestResult(false, getName() + ": unexpected exception: " + e, e);
        }
        
        try
        {
            wrapper.init(false, key);
            
            wrapper.wrap(buf, 0, buf.length);
            
            return new SimpleTestResult(false, getName() + ": failed unwrap state test.");
        }
        catch (IllegalStateException e)
        {
            // expected
        }
        
        //
        // short test
        //
        try
        {
            wrapper.init(false, key);
            
            wrapper.unwrap(buf, 0, buf.length / 2);
            
            return new SimpleTestResult(false, getName() + ": failed unwrap short test.");
        }
        catch (InvalidCipherTextException e)
        {
            // expected
        }
        
        try
        {
            wrapper.init(true, key);
            
            wrapper.wrap(buf, 0, 15);
            
            return new SimpleTestResult(false, getName() + ": failed wrap length test.");
        }
        catch (DataLengthException e)
        {
            // expected
        }
        
        return new SimpleTestResult(true, getName() + ": Okay");
    }

    public static void main(
        String[]    args)
    {
        AESWrapTest     test = new AESWrapTest();
        TestResult      result = test.perform();

        System.out.println(result);
    }
}