Examples of org.bouncycastle2.openpgp.PGPKeyPair

org.bouncycastle2.crypto.paddings.PaddedBufferedBlockCipher
General class to handle JCA key pairs and convert them into OpenPGP ones.
A word for the unwary, the KeyID for a OpenPGP public key is calculated from a hash that includes the time of creation, if you pass a different date to the constructor below with the same public private key pair the KeyID will not be the same as for previous generations of the key, so ideally you only want to do this once.

    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.openpgp.PGPKeyPair

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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