Examples of org.bouncycastle2.math.ec.SimpleBigDecimal

org.bouncycastle2.crypto.paddings.PaddedBufferedBlockCipher
Class representing a simple version of a big decimal. A SimpleBigDecimal is basically a {@link java.math.BigInteger BigInteger} with a few digits on the right ofthe decimal point. The number of (binary) digits on the right of the decimal point is called the scale of the SimpleBigDecimal. Unlike in {@link java.math.BigDecimal BigDecimal}, the scale is not adjusted automatically, but must be set manually. All SimpleBigDecimals taking part in the same arithmetic operation must have equal scale. The result of a multiplication of two SimpleBigDecimals returns a SimpleBigDecimal with double scale.

    static public class BrokePBEWithSHAAndDES2Key
        extends BrokenJCEBlockCipher
    {
        public BrokePBEWithSHAAndDES2Key()
        {
            super(new CBCBlockCipher(new DESedeEngine()), PKCS12, SHA1, 128, 64);
        }

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    static public class OldPBEWithSHAAndTwofish
        extends BrokenJCEBlockCipher
    {
        public OldPBEWithSHAAndTwofish()
        {
            super(new CBCBlockCipher(new TwofishEngine()), OLD_PKCS12, SHA1, 256, 128);
        }

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    public static class CBC
       extends JCEBlockCipher
    {
        public CBC()
        {
            super(new CBCBlockCipher(new CAST5Engine()), 64);
        }

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    public static class CBC
       extends JCEBlockCipher
    {
        public CBC()
        {
            super(new CBCBlockCipher(new AESFastEngine()), 128);
        }

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            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));


                cipher = new PaddedBufferedBlockCipher(
                                new CFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new CFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else
        {
            throw new IllegalArgumentException("can't support mode " + mode);

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    static public class CFB
        extends JCEBlockCipher
    {
        public CFB()
        {
            super(new BufferedBlockCipher(new CFBBlockCipher(new AESFastEngine(), 128)), 128);
        }

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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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            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));


                cipher = new PaddedBufferedBlockCipher(
                                new OFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new OFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else if (modeName.startsWith("CFB"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();

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    private AlgorithmParameters     engineParams = null;


    protected BrokenJCEBlockCipher(
        BlockCipher engine)
    {
        cipher = new PaddedBufferedBlockCipher(engine);
    }

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        int         pbeType,
        int         pbeHash,
        int         pbeKeySize,
        int         pbeIvSize)
    {
        cipher = new PaddedBufferedBlockCipher(engine);


        this.pbeType = pbeType;
        this.pbeHash = pbeHash;
        this.pbeKeySize = pbeKeySize;
        this.pbeIvSize = pbeIvSize;

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Related Classes of org.bouncycastle2.math.ec.SimpleBigDecimal

org.bouncycastle2.asn1.ASN1InputStream

org.bouncycastle2.asn1.ASN1Sequence

org.bouncycastle2.asn1.cryptopro.GOST3410PublicKeyAlgParameters

org.bouncycastle2.asn1.DERObjectIdentifier

org.bouncycastle2.asn1.DEROctetString

org.bouncycastle2.asn1.pkcs.RSAPrivateKeyStructure

org.bouncycastle2.asn1.x509.RSAPublicKeyStructure

org.bouncycastle2.bcpg.sig.PreferredAlgorithms

org.bouncycastle2.crypto.BufferedBlockCipher

org.bouncycastle2.crypto.CipherParameters

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