Company Filing History:
3 out of 58,129 
2 out of 2,335 
1 out of 1 Years Active: 2009-2010
Title: The Innovations of Zhengrong Liu
Introduction
Zhengrong Liu is a notable inventor based in Foster City, CA (US). He has made significant contributions to the field of digital processing systems, holding a total of 3 patents. His work focuses on enhancing security and integrity in computing environments.
Latest Patents
One of Liu's latest patents is titled "Establishing a trusted platform in a digital processing system." This invention maintains a trusted platform even when modules or other processes are loaded after the boot sequence. A configuration file is utilized to include measurements such as hash values and signatures of modules to be loaded. After a secure boot-up, the operating system kernel checks module integrity against the configuration file before loading and executing them. If a module fails the integrity check, the system can take various actions, including preventing further operation or indicating the non-trusted nature of the system. This process allows client applications to determine the trustworthiness of the platform based on the Platform Configuration Register (PCR) value.
Another significant patent by Liu is "System and method for authorizing the use of stored information in an operating system." This invention provides a method and apparatus for authorizing a file to use stored information for executing a process in a Linux operating system. The file includes an executable linking format, application authorization data, and other attributes necessary for the application.
Career Highlights
Throughout his career, Zhengrong Liu has worked with prominent companies such as Sony Corporation and Sony Electronics Inc. His experience in these organizations has contributed to his expertise in digital processing and security systems.
Collaborations
Liu has collaborated with talented individuals in his field, including Nicholas Szeto and Yusuf Wilajati Purna. These collaborations have likely enriched his work and led to innovative solutions in technology.
Conclusion
Zhengrong Liu's contributions to digital processing systems and his innovative patents highlight his role as a significant inventor in the technology sector. His work continues to influence the development of secure computing environments.
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