// decode the received public key and get paramaters from it.
		PublicKey serverPublicKey  = decodePublicKey(serverPubKeyEnc);
        DHParameterSpec dhParams = ((DHPublicKey)serverPublicKey).getParams();
        
        // Generate public/private keypair with given paramaters.
        KeyPair clientKpair = StealthNetKeyAgreement.generateKeyPair(dhParams);        

        // Create key agreement and initialise private key.
        KeyAgreement clientKeyAgree = KeyAgreement.getInstance("DH");
        clientKeyAgree.init(clientKpair.getPrivate());

        // Send encoded public key other party
        byte[] clientPubKeyEnc = clientKpair.getPublic().getEncoded();
        try {
			rawOut.write(clientPubKeyEnc);
			rawOut.flush();
		} catch (IOException ioe) {
			ioe.toString();
		}