Hoi Chang

Title: Hoi Chang: Innovator in Software Tamperproofing

Introduction

Hoi Chang is a notable inventor based in West Lafayette, IN (US). He has made significant contributions to the field of software security, particularly in the area of tamperproofing software applications. With a total of 2 patents, his work focuses on protecting software from unauthorized modifications.

Latest Patents

Chang's latest patents include a method and system for tamperproofing software. This method involves protecting host application code through a series of steps, including preprocessing, obfuscation, and the installation of guards. The guards are designed to form a distributed network that cooperatively protects the host application code. Additionally, he has developed a self-protecting software program that utilizes internal mechanisms to resist tampering. This program can become unusable if its integrity is compromised, and it may also possess the ability to repair itself.

Career Highlights

Hoi Chang is affiliated with the Purdue Research Foundation, where he continues to innovate in software security. His work has garnered attention for its practical applications in protecting sensitive software systems.

Collaborations

Some of his notable coworkers include Mikhail J. Atallah and John R. Rice, who have collaborated with him on various projects related to software security.

Conclusion

Hoi Chang's contributions to the field of software tamperproofing highlight his innovative spirit and dedication to enhancing software security. His patents reflect a commitment to developing robust solutions that protect software integrity.