Examples of DHKeyPairGenerator

Examples of org.bouncycastle.crypto.generators.DHKeyPairGenerator

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    /**
     * calculate our initial message.
     */
    public BigInteger calculateMessage()
    {
        DHKeyPairGenerator dhGen = new DHKeyPairGenerator();
        dhGen.init(new DHKeyGenerationParameters(random, dhParams));
        AsymmetricCipherKeyPair dhPair = dhGen.generateKeyPair();

        this.privateValue = ((DHPrivateKeyParameters)dhPair.getPrivate()).getX();

        return ((DHPublicKeyParameters)dhPair.getPublic()).getY();
    }
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Examples of org.bouncycastle.crypto.generators.DHKeyPairGenerator

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            throw new TlsFatalAlert(AlertDescription.internal_error);
        }

        ByteArrayOutputStream buf = new ByteArrayOutputStream();

        DHKeyPairGenerator kpg = new DHKeyPairGenerator();
        kpg.init(new DHKeyGenerationParameters(context.getSecureRandom(), this.dhParameters));
        AsymmetricCipherKeyPair kp = kpg.generateKeyPair();

        BigInteger Ys = ((DHPublicKeyParameters)kp.getPublic()).getY();

        TlsDHUtils.writeDHParameter(dhParameters.getP(), buf);
        TlsDHUtils.writeDHParameter(dhParameters.getG(), buf);
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Examples of org.bouncycastle.crypto.generators.DHKeyPairGenerator

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    {
        DHParameters                dhParams = new DHParameters(p, g);

        DHKeyGenerationParameters   params = new DHKeyGenerationParameters(new SecureRandom(), dhParams);

        DHKeyPairGenerator          kpGen = new DHKeyPairGenerator();

        kpGen.init(params);

        //
        // generate first pair
        //
        AsymmetricCipherKeyPair     pair = kpGen.generateKeyPair();

        DHPublicKeyParameters       pu1 = (DHPublicKeyParameters)pair.getPublic();
        DHPrivateKeyParameters      pv1 = (DHPrivateKeyParameters)pair.getPrivate();
        //
        // generate second pair
        //
        pair = kpGen.generateKeyPair();

        DHPublicKeyParameters       pu2 = (DHPublicKeyParameters)pair.getPublic();
        DHPrivateKeyParameters      pv2 = (DHPrivateKeyParameters)pair.getPrivate();

        //
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Examples of org.bouncycastle.crypto.generators.DHKeyPairGenerator

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    if(e==null){
      DHKeyGenerationParameters params=
  new DHKeyGenerationParameters(new SecureRandom(),
              getParameter()
              );
      DHKeyPairGenerator kpgen=new DHKeyPairGenerator();
      kpgen.init(params);
      AsymmetricCipherKeyPair myKpair=kpgen.generateKeyPair();
      DHPublicKeyParameters pu=(DHPublicKeyParameters)myKpair.getPublic();
      DHPrivateKeyParameters pv=(DHPrivateKeyParameters)myKpair.getPrivate();

      myKeyAgree.init(pv);
      e=pu.getY();
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Examples of org.bouncycastle.crypto.generators.DHKeyPairGenerator

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        }

        if (state == Cipher.ENCRYPT_MODE || state == Cipher.WRAP_MODE)
        {
            // Generate the ephemeral key pair
            DHKeyPairGenerator gen = new DHKeyPairGenerator();
            gen.init(new DHKeyGenerationParameters(random, dhParams));

            EphemeralKeyPairGenerator kGen = new EphemeralKeyPairGenerator(gen, new KeyEncoder()
            {
                public byte[] getEncoded(AsymmetricKeyParameter keyParameter)
                {
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Examples of org.bouncycastle2.crypto.generators.DHKeyPairGenerator

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    /**
     * calculate our initial message.
     */
    public BigInteger calculateMessage()
    {
        DHKeyPairGenerator dhGen = new DHKeyPairGenerator();
        dhGen.init(new DHKeyGenerationParameters(random, dhParams));
        AsymmetricCipherKeyPair dhPair = dhGen.generateKeyPair();

        this.privateValue = ((DHPrivateKeyParameters)dhPair.getPrivate()).getX();

        return ((DHPublicKeyParameters)dhPair.getPublic()).getY();
    }
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