Examples of ISO9796d1Encoding

org.bouncycastle.crypto.encodings.ISO9796d1Encoding
ISO 9796-1 padding. Note in the light of recent results you should only use this with RSA (rather than the "simpler" Rabin keys) and you should never use it with anything other than a hash (ie. even if the message is small don't sign the message, sign it's hash) or some "random" value. See your favorite search engine for details.
org.bouncycastle2.crypto.encodings.ISO9796d1Encoding
ISO 9796-1 padding. Note in the light of recent results you should only use this with RSA (rather than the "simpler" Rabin keys) and you should never use it with anything other than a hash (ie. even if the message is small don't sign the message, sign it's hash) or some "random" value. See your favorite search engine for details.

Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

        {
            cipher = new PKCS1Encoding(new RSABlindedEngine());
        }
        else if (pad.equals("ISO9796-1PADDING"))
        {
            cipher = new ISO9796d1Encoding(new RSABlindedEngine());
        }
        else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("MD5", "MGF1", new MGF1ParameterSpec("MD5"), PSource.PSpecified.DEFAULT));
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

    static public class ISO9796d1Padding
        extends CipherSpi
    {
        public ISO9796d1Padding()
        {
            super(new ISO9796d1Encoding(new RSABlindedEngine()));
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

        {
            cipher = new BufferedAsymmetricBlockCipher(new PKCS1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("ISO9796-1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new ISO9796d1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("OAEPPADDING"))
        {
            initFromSpec(OAEPParameterSpec.DEFAULT);
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

        {
            cipher = new PKCS1Encoding(new RSABlindedEngine());
        }
        else if (pad.equals("ISO9796-1PADDING"))
        {
            cipher = new ISO9796d1Encoding(new RSABlindedEngine());
        }
        else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("MD5", "MGF1", new MGF1ParameterSpec("MD5"), PSource.PSpecified.DEFAULT));
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

    static public class ISO9796d1Padding
        extends JCERSACipher
    {
        public ISO9796d1Padding()
        {
            super(new ISO9796d1Encoding(new RSABlindedEngine()));
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

        {
            cipher = new BufferedAsymmetricBlockCipher(new PKCS1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("ISO9796-1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new ISO9796d1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("OAEPPADDING"))
        {
            initFromSpec(OAEPParameterSpec.DEFAULT);
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

        byte[]              data;


        //
        // ISO 9796-1 - public encrypt, private decrypt
        //
        ISO9796d1Encoding eng = new ISO9796d1Encoding(rsa);


        eng.init(true, privParameters);


        eng.setPadBits(4);


        try
        {
            data = eng.processBlock(msg1, 0, msg1.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }


        eng.init(false, pubParameters);


        if (!isSameAs(sig1, 0, data))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-1 generation Test 1");
        }


        try
        {
            data = eng.processBlock(data, 0, data.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

        byte[]              data;


        //
        // ISO 9796-1 - public encrypt, private decrypt
        //
        ISO9796d1Encoding eng = new ISO9796d1Encoding(rsa);


        eng.init(true, privParameters);


        try
        {
            data = eng.processBlock(msg2, 0, msg2.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }


        eng.init(false, pubParameters);


        if (!isSameAs(data, 1, sig2))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-1 generation Test 2");
        }


        try
        {
            data = eng.processBlock(data, 0, data.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

        byte[]              data;


        //
        // ISO 9796-1 - public encrypt, private decrypt
        //
        ISO9796d1Encoding eng = new ISO9796d1Encoding(rsa);


        eng.init(true, privParameters);


        eng.setPadBits(4);


        try
        {
            data = eng.processBlock(msg3, 0, msg3.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }


        eng.init(false, pubParameters);


        if (!isSameAs(sig3, 1, data))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-1 generation Test 3");
        }


        try
        {
            data = eng.processBlock(data, 0, data.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }

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Examples of org.bouncycastle.crypto.encodings.ISO9796d1Encoding

    static public class ISO9796d1Padding
        extends JCERSACipher
    {
        public ISO9796d1Padding()
        {
            super(new ISO9796d1Encoding(new RSAEngine()));
        }

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