TrustCB is a commercial Certification Body that provides high-assurance, unquestionable certification in a predictable, short timeframe. TrustCB specialises in certifying IT security products (and associated sites, processes, and services) evaluated according to international and industry standards.

Verify the security settings for smart meters and develop the necessary tools for the task (based on the Gurux utilities).

Assist with the cryptography architecture and HSM integration. Created a PoC of how to convert an existing Spring application (the Petclinic) to use "Application Level Encryption" where only the columns with sensitive information are encrypted.

Technical editor for the L+G Metas security certification. I write the documentation according to Common Criteria EAL3. We have 3 TOEs certified and more in the pipeline.Design of PKIs for smart metering and operating the L+G root CAs.Specification of the XML schema and the security aspects of the FNN "Electronic Delivery Note".Add security to smart metering systems. Specified the key management system for DLMS message security. Contribute to the DLMS and SMETS specifications in the areas of security and certification. Design and evaluation of TRNGs for embedded systems.Writing personalisation systems for "Global Platform" security modules.Building interfaces for SafeNet/Gemalto/Thales HSMs (CA, firmware signing, GP key management)Technical Editor for the EU "Best Available Techniques" for smart metering and the ESMIG smart meter PP.

Extending MFC software for directory encryption and single sign on. Reverse enginered a smart card scrambling system to be interoperable with a system of which the souce code was lost.

Developing embedded software for payment terminalsObtained PCI-PED and the world's first serious PayPass and PayWave certifications for an integrated RFID payment terminal..

Developing ERP software with Microsoft Dynamics

New applications for DRM, RFID and NFC

As a one man company I did several projects for a number of customers.

Writing XML and XSL code for the insurance quote system, including an AWK based debugger for XMLSpy

Implementing security mechanisms for smartcard, including cryptography and key management. Member of ETSI SCP

Evaluating security of military and government communications equipment. Developing of keymanagement applications, inc. PKI

Supporting up to 1500 users on MS-DOS, Novel, VAX-VMS and IBM-CMS, mainly for Shell in Assen (the Netherlands)