Examples of org.bouncycastle.crypto.modes.CTSBlockCipher

org.bouncycastle.crypto.modes.CTSBlockCipher
A Cipher Text Stealing (CTS) mode cipher. CTS allows block ciphers to be used to produce cipher text which is the same length as the plain text.

        {
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new CTSBlockCipher(cipher.getUnderlyingCipher());
        }
        else
        {
            throw new NoSuchPaddingException("Padding " + padding + " unknown.");
        }

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                        new GOFBBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CTS"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(new CBCBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CCM"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new AEADGenericBlockCipher(new CCMBlockCipher(baseEngine));

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                cipher = new BufferedGenericBlockCipher(new BufferedBlockCipher(cipher.getUnderlyingCipher()));
            }
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(cipher.getUnderlyingCipher()));
        }
        else
        {
            padded = true;

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                        new GOFBBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CTS"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(new CBCBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CCM"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new AEADGenericBlockCipher(new CCMBlockCipher(baseEngine));

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            cipher = new BufferedGenericBlockCipher(cipher.getUnderlyingCipher(), new TBCPadding());
        }
        else if (paddingName.equals("WITHCTS"))
        {
            padded = false;
            cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(cipher.getUnderlyingCipher()));
        }
        else
        {
            throw new NoSuchPaddingException("Padding " + padding + " unknown.");
        }

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        {
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new CTSBlockCipher(cipher.getUnderlyingCipher());
        }
        else
        {
            throw new NoSuchPaddingException("Padding " + padding + " unknown.");
        }

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        }
    
        public TestResult perform()
        {
            byte[]                  out = new byte[input.length];
            BufferedBlockCipher     engine = new CTSBlockCipher(cipher);
    
            engine.init(true, params);
    
            int len = engine.processBytes(input, 0, input.length, out, 0);
    
            try
            {
                engine.doFinal(out, len);
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, getName() + ": encryption exception - " + e.toString());
            }
    
            for (int i = 0; i != output.length; i++)
            {
                if (out[i] != output[i])
                {
                    return new SimpleTestResult(false, getName() + ": failed encryption expected " + new String(Hex.encode(output)) + " got " + new String(Hex.encode(out)));
                }
            }
    
            engine.init(false, params);
    
            len = engine.processBytes(output, 0, output.length, out, 0);
    
            try
            {
                engine.doFinal(out, len);
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, getName() + ": decryption exception - " + e.toString());
            }

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                        new GOFBBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CTS"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(new CBCBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CCM"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new AEADGenericBlockCipher(new CCMBlockCipher(baseEngine));

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                cipher = new BufferedGenericBlockCipher(new BufferedBlockCipher(cipher.getUnderlyingCipher()));
            }
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(cipher.getUnderlyingCipher()));
        }
        else
        {
            padded = true;

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        {
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new CTSBlockCipher(cipher.getUnderlyingCipher());
        }
        else
        {
            throw new NoSuchPaddingException("Padding " + padding + " unknown.");
        }

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Related Classes of org.bouncycastle.crypto.modes.CTSBlockCipher

org.bouncycastle.crypto.BlockCipher

org.bouncycastle.crypto.test.CTSTest$CTSTester

org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher

org.bouncycastle.jce.provider.BrokenJCEBlockCipher

org.bouncycastle.jce.provider.JCEBlockCipher

org.bouncycastle.crypto.DataLengthException

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