Examples of KDFParameters

Examples of org.bouncycastle.crypto.params.KDFParameters

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        byte[]  z)
        throws InvalidCipherTextException
    {
        byte[]          M = null;
        KeyParameter    macKey = null;
        KDFParameters   kParam = new KDFParameters(z, param.getDerivationV());
        int             macKeySize = param.getMacKeySize();

        kdf.init(kParam);

      inLen -= mac.getMacSize();
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        byte[]  z)
        throws InvalidCipherTextException
    {
        byte[]          C = null;
        KeyParameter    macKey = null;
        KDFParameters   kParam = new KDFParameters(z, param.getDerivationV());
      int             c_text_length = 0;
        int             macKeySize = param.getMacKeySize();

        kdf.init(kParam);
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Examples of org.bouncycastle.crypto.params.KDFParameters

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    public void init(DerivationParameters param)
    {
        if (param instanceof KDFParameters)
        {
            KDFParameters p = (KDFParameters)param;

            shared = p.getSharedSecret();
            iv = p.getIV();
        }
        else if (param instanceof ISO18033KDFParameters)
        {
            ISO18033KDFParameters p = (ISO18033KDFParameters)param;

            shared = p.getSeed();
            iv = null;
        }
        else
        {
            throw new IllegalArgumentException("KDF parameters required for KDF2Generator");
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        byte[] C = BigIntegers.asUnsignedByteArray((n.bitLength() + 7) / 8, c);
        System.arraycopy(C, 0, out, outOff, C.length);


        // Initialise the KDF
        kdf.init(new KDFParameters(R, null));

        // Generate the secret key
        byte[] K = new byte[keyLen];
        kdf.generateBytes(K, 0, K.length);
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        // Decrypt the ephemeral random and encode it
        BigInteger r = c.modPow(d, n);
        byte[] R = BigIntegers.asUnsignedByteArray((n.bitLength() + 7) / 8, r);

        // Initialise the KDF
        kdf.init(new KDFParameters(R, null));

        // Generate the secret key
        byte[] K = new byte[keyLen];
        kdf.generateBytes(K, 0, K.length);
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        else
        {
            kdfInput = PEH;
        }

        kdf.init(new KDFParameters(kdfInput, null));

        // Generate the secret key
        byte[] K = new byte[keyLen];
        kdf.generateBytes(K, 0, K.length);
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        }
        else
        {
            kdfInput = PEH;
        }
        kdf.init(new KDFParameters(kdfInput, null));

        // Generate the secret key
        byte[] K = new byte[keyLen];
        kdf.generateBytes(K, 0, K.length);
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        v.add(new AlgorithmIdentifier(algorithm, DERNull.INSTANCE));
        v.add(new DERTaggedObject(true, 2, new DEROctetString(Pack.intToBigEndian(keySize))));

        try
        {
            kdf.init(new KDFParameters(z, new DERSequence(v).getEncoded(ASN1Encoding.DER)));
        }
        catch (IOException e)
        {
            throw new IllegalArgumentException("unable to initialise kdf: " + e.getMessage());
        }
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        {
            VZ = Z;
        }

        // Initialise the KDF.
        KDFParameters kdfParam = new KDFParameters(VZ, param.getDerivationV());
        kdf.init(kdfParam);

        return forEncryption
            ? encryptBlock(in, inOff, inLen)
            : decryptBlock(in, inOff, inLen);
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Examples of org.bouncycastle.crypto.params.KDFParameters

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        ASN1EncodableVector v = new ASN1EncodableVector();

        v.add(new AlgorithmIdentifier(algorithm, new DERNull()));
        v.add(new DERTaggedObject(true, 2, new DEROctetString(integerToBytes(keySize))));

        kdf.init(new KDFParameters(z, new DERSequence(v).getDEREncoded()));

        return kdf.generateBytes(out, outOff, len);
    }
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