Graham John Harper

Title: Graham John Harper: Innovator in Secure System Service Routines

Introduction

Graham John Harper is a notable inventor based in Cheltenham, GB. He has made significant contributions to the field of technology, particularly in the area of system service routines. His innovative approach has led to the development of a unique patent that enhances security within operating systems.

Latest Patents

Graham John Harper holds a patent for a "Securely redirecting system service routines." This invention focuses on securely redirecting a system service routine via a provider service table. The service call provider is loaded within an operating system executing in a lower trust security zone. The service call provider comprises metadata indicating a system service routine to be redirected to the service call provider. Based on the metadata, a provider service table is built within a higher trust security zone. The service table redirects the system service routine to the service call provider. Memory page(s) associated with the provider service table are hardware protected, and a read-only view is exposed to the operating system. The provider service table is associated with a user-mode process. A service call for a particular system service routine is received by the operating system from the user-mode process, and based on the provider service table being associated with the user-mode process, the service call is directed to the service call provider. This patent showcases his innovative thinking and technical expertise.

Career Highlights

Graham John Harper is currently associated with Microsoft Technology Licensing, LLC. His role at the company allows him to work on cutting-edge technology and contribute to advancements in software security. His experience and knowledge in the field have made him a valuable asset to the organization.

Collaborations

Graham has collaborated with talented individuals such as Haim Cohen and Mehmet Iyigun. These collaborations have likely fostered an environment of innovation and creativity, leading to the development of impactful technologies.

Conclusion

Graham John Harper is a distinguished inventor whose work in securely redirecting system service routines has made a significant impact in the field of technology. His contributions continue to influence advancements in software security, showcasing the importance of innovation in today's digital landscape.