t_cipher.java

derby database source code.good for you.

            // String key = "Paula bla la da trish123 sdkfs;ldkg;sa'jlskjgklad";
            String key = "Paulabla123456789012345";
            byte[] buf = key.getBytes();
            System.out.println("key length is " + buf.length);
            SecretKeySpec sKeySpec = new SecretKeySpec(buf,"Blowfish");
            // SecretKeySpec sKeySpec = new SecretKeySpec(buf,"DESede");

            Cipher cipher = Cipher.getInstance("Blowfish/CBC/NoPadding");
            // Cipher cipher = Cipher.getInstance("DESede/CBC/NoPadding");
            // Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
            cipher.init(Cipher.ENCRYPT_MODE,sKeySpec);
            // only works with NoPadding if size is a multiple of 8 bytes
            // with PKCS5Padding, works for all sizes
            byte[] original = "This is what should get encrypte".getBytes();
            System.out.println("original length is " + original.length);
            byte[] encrypted = cipher.doFinal(original);
            // works
            // AlgorithmParameters algParam = cipher.getParameters();
            byte[] iv = cipher.getIV();
            System.out.println("length of iv is " + iv.length);

            Cipher cipher2 = Cipher.getInstance("Blowfish/CBC/NoPadding");
            // Cipher cipher2 = Cipher.getInstance("DESede/CBC/NoPadding");
            // Cipher cipher2 = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");

            // works
            // cipher2.init(Cipher.DECRYPT_MODE,sKeySpec,algParam);
            IvParameterSpec ivClass = new IvParameterSpec(iv);
            cipher2.init(Cipher.DECRYPT_MODE,sKeySpec,ivClass);
            byte[] decrypted = cipher2.doFinal(encrypted);

            if (byteArrayIdentical(original,decrypted,0,original.length))
                System.out.println("PASSED");
            else
                System.out.println("FAILED");

            System.out.println("original length is " + original.length);
            System.out.println("encrypted length is " + encrypted.length);
            System.out.println("decrypted length is " + decrypted.length);
        }
        catch (Throwable t)
        {
            System.out.println("got an exception");
            t.printStackTrace();
        }

        System.out.println("Finished testBlowfish");
    }


    private void testCryptix()
    {
        System.out.println("Running testCryptix");
        try
        {
            // set up the provider
            Class jceClass = Class.forName("cryptix.jce.provider.Cryptix");
            java.security.Provider cryptixProvider = (java.security.Provider) jceClass.newInstance();
            java.security.Security.addProvider(cryptixProvider);

		    byte[] userkey = "a secret".getBytes();
            System.out.println("userkey length is " + userkey.length);
            Key secretKey = (Key) (new SecretKeySpec(userkey, "DES"));
		    byte[] IV = "anivspec".getBytes();

            Cipher enCipher = Cipher.getInstance("DES/CBC/NoPadding","Cryptix");
            Cipher deCipher = Cipher.getInstance("DES/CBC/NoPadding","Cryptix");
			IvParameterSpec ivspec = new IvParameterSpec(IV);

            enCipher.init(Cipher.ENCRYPT_MODE,secretKey,ivspec);
            deCipher.init(Cipher.DECRYPT_MODE,secretKey,ivspec);

            int patternLength = 8;
            byte[] pattern = new byte[patternLength];
			for (int i = 0; i < patternLength; i++)
				pattern[i] = (byte)(i & 0xFF);

            byte[] cipherOutput1 = new byte[patternLength];
            byte[] cipherOutput2 = new byte[patternLength];

            int retval = 0;
            retval = enCipher.doFinal(pattern, 0, 8, cipherOutput1, 0);

            retval = deCipher.doFinal(cipherOutput1, 0, 8, cipherOutput2, 0);

            if (byteArrayIdentical(cipherOutput2,pattern,0,patternLength))
                System.out.println("PASSED TEST 1");
            else
                System.out.println("FAILED TEST 1");

            retval = deCipher.doFinal(cipherOutput1, 0, 8, cipherOutput2, 0);

            if (byteArrayIdentical(cipherOutput2,pattern,0,patternLength))
                System.out.println("PASSED TEST 2");
            else
                System.out.println("FAILED TEST 2");
        }
        catch (Throwable t)
        {
            System.out.println("got an exception");
            t.printStackTrace();
        }

        System.out.println("Finished testCryptix");
    }



    private void testMessageDigest()
    {
        // No provider needs to be installed for this to work.
        try
        {
            MessageDigest md = MessageDigest.getInstance("MD5");
            byte[] data = "Paulas digest".getBytes();
            byte[] digest = md.digest(data);
            byte[] digest2 = md.digest(data);
            if (byteArrayIdentical(digest,digest2,0,digest.length))
                System.out.println("PASSED");
            else
                System.out.println("FAILED");

            System.out.println("data length is " + data.length);
            System.out.println("digest length is " + digest.length);
            System.out.println("digest2 length is " + digest2.length);
        }
        catch (Throwable t)
        {
            System.out.println("got an exception");
            t.printStackTrace();
        }

        System.out.println("Finished testBlowfish");
    }

    // PT
    private void testPCBC()
    {
        System.out.println("Running testPCBC");
        try
        {
            // set up the provider
            Class jceClass = Class.forName("com.sun.crypto.provider.SunJCE");
            java.security.Provider myProvider = (java.security.Provider) jceClass.newInstance();
            java.security.Security.addProvider(myProvider);
            // java.security.Provider sunJce = new com.sun.crypto.provider.SunJCE();
            // java.security.Security.addProvider(sunJce);

            // String key = "Paula bla la da trish123 sdkfs;ldkg;sa'jlskjgklad";
            String key = "PaulablaPaulablaPaulabla";
            byte[] buf = key.getBytes();
            System.out.println("key length is " + buf.length);
            SecretKeySpec sKeySpec = new SecretKeySpec(buf,"DESede");

            Cipher cipher = Cipher.getInstance("DESede/PCBC/NoPadding");
            // Cipher cipher = Cipher.getInstance("DESede/CBC/NoPadding");
            // Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
            cipher.init(Cipher.ENCRYPT_MODE,sKeySpec);
            // only works with NoPadding if size is a multiple of 8 bytes
            // with PKCS5Padding, works for all sizes
            byte[] original = "This is what should get encrypte".getBytes();
            System.out.println("original length is " + original.length);
            byte[] encrypted = cipher.doFinal(original);
            // works
            // AlgorithmParameters algParam = cipher.getParameters();
            byte[] iv = cipher.getIV();
            System.out.println("length of iv is " + iv.length);

            Cipher cipher2 = Cipher.getInstance("DESede/PCBC/NoPadding");
            // Cipher cipher2 = Cipher.getInstance("DESede/CBC/NoPadding");
            // Cipher cipher2 = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");

            // works
            // cipher2.init(Cipher.DECRYPT_MODE,sKeySpec,algParam);
            IvParameterSpec ivClass = new IvParameterSpec(iv);
            cipher2.init(Cipher.DECRYPT_MODE,sKeySpec,ivClass);
            byte[] decrypted = cipher2.doFinal(encrypted);

            if (byteArrayIdentical(original,decrypted,0,original.length))
                System.out.println("PASSED");
            else
                System.out.println("FAILED");

            System.out.println("original length is " + original.length);
            System.out.println("encrypted length is " + encrypted.length);
            System.out.println("decrypted length is " + decrypted.length);
        }
        catch (Throwable t)
        {
            System.out.println("got an exception");
            t.printStackTrace();
        }

        System.out.println("Finished testPCBC");
    }


    private void testPCBC2()
    {
        System.out.println("Running testPCBC2");
        try
        {
            // set up the provider
            Class jceClass = Class.forName("com.sun.crypto.provider.SunJCE");
            java.security.Provider myProvider = (java.security.Provider) jceClass.newInstance();
            java.security.Security.addProvider(myProvider);

		    byte[] userkey = "a secreta secreta secret".getBytes();
            System.out.println("userkey length is " + userkey.length);
            Key secretKey = (Key) (new SecretKeySpec(userkey, "DESede"));
		    byte[] IV = "anivspec".getBytes();

            Cipher enCipher = Cipher.getInstance("DESede/PCBC/NoPadding","SunJCE");
            Cipher deCipher = Cipher.getInstance("DESede/PCBC/NoPadding","SunJCE");
			IvParameterSpec ivspec = new IvParameterSpec(IV);

            enCipher.init(Cipher.ENCRYPT_MODE,secretKey,ivspec);
            deCipher.init(Cipher.DECRYPT_MODE,secretKey,ivspec);

            int patternLength = 24;
            byte[] pattern = new byte[patternLength];
			for (int i = 0; i < patternLength; i++)
				pattern[i] = (byte)(i & 0xFF);

            byte[] cipherOutput1 = new byte[patternLength];
            byte[] cipherOutput2 = new byte[patternLength];

            int retval = 0;
            retval = enCipher.doFinal(pattern, 0, 24, cipherOutput1, 0);

            retval = deCipher.doFinal(cipherOutput1, 0, 24, cipherOutput2, 0);

            if (byteArrayIdentical(cipherOutput2,pattern,0,patternLength))
                System.out.println("PASSED TEST 1");
            else
                System.out.println("FAILED TEST 1");

            retval = deCipher.doFinal(cipherOutput1, 0, 24, cipherOutput2, 0);

            if (byteArrayIdentical(cipherOutput2,pattern,0,patternLength))
                System.out.println("PASSED TEST 2");
            else
                System.out.println("FAILED TEST 2");
        }
        catch (Throwable t)
        {
            System.out.println("got an exception");
            t.printStackTrace();
        }

        System.out.println("Finished testPCBC2");
    }

    private void testIAIK()
    {
        System.out.println("Running testIAIK");
        try
        {
            // set up the provider
            Class jceClass = Class.forName("iaik.security.provider.IAIK");
            java.security.Provider myProvider = (java.security.Provider) jceClass.newInstance();
            java.security.Security.addProvider(myProvider);

            // iaik.security.provider.IAIK.addAsProvider(true);

            // iaik.utils.Util.loadClass("iaik.security.provider.IAIK",true);
            // IAIK p=new IAIK();
            // iaik.security.provider.IAIK.getMd5();

		    byte[] userkey = "a secret".getBytes();
            System.out.println("userkey length is " + userkey.length);
            Key secretKey = (Key) (new SecretKeySpec(userkey, "DES"));
		    byte[] IV = "anivspec".getBytes();

            Cipher enCipher = Cipher.getInstance("DES/CBC/NoPadding","IAIK");
            Cipher deCipher = Cipher.getInstance("DES/CBC/NoPadding","IAIK");
			IvParameterSpec ivspec = new IvParameterSpec(IV);

            enCipher.init(Cipher.ENCRYPT_MODE,secretKey,ivspec);
            deCipher.init(Cipher.DECRYPT_MODE,secretKey,ivspec);

            int patternLength = 8;
            byte[] pattern = new byte[patternLength];
			for (int i = 0; i < patternLength; i++)
				pattern[i] = (byte)(i & 0xFF);

            byte[] cipherOutput1 = new byte[patternLength];
            byte[] cipherOutput2 = new byte[patternLength];

            int retval = 0;
            retval = enCipher.doFinal(pattern, 0, 8, cipherOutput1, 0);

            retval = deCipher.doFinal(cipherOutput1, 0, 8, cipherOutput2, 0);

            if (byteArrayIdentical(cipherOutput2,pattern,0,patternLength))
                System.out.println("PASSED TEST 1");
            else
                System.out.println("FAILED TEST 1");

            retval = deCipher.doFinal(cipherOutput1, 0, 8, cipherOutput2, 0);

            if (byteArrayIdentical(cipherOutput2,pattern,0,patternLength))
                System.out.println("PASSED TEST 2");
            else
                System.out.println("FAILED TEST 2");
        }
        catch (Throwable t)
        {
            System.out.println("got an exception");
            t.printStackTrace();
        }

        System.out.println("Finished testIAIK");
    }

    private void printByteArray(String name, byte[] array)
    {
        System.out.println("printing array " + name);
        for (int i = 0; i < array.length; i++)
            System.out.println("index " + i + " : " + array[i]);
    }
    */
}