Ning Chai

Title: Innovations by Ning Chai in Certificate Revocation Systems

Introduction

Ning Chai is an accomplished inventor based in San Jose, California. He has made significant contributions to the field of certificate revocation systems, holding a total of four patents. His work primarily focuses on enhancing the security and efficiency of certificate authorities (CAs) in managing certificate revocation lists (CRLs).

Latest Patents

One of Ning Chai's latest patents involves the partitioning of certificate revocation lists. This innovation allows certificates issued by a CA to be distributed across multiple CRLs. Each certificate is assigned to a specific CRL, with the address of that CRL embedded in the certificate. This enables authenticating applications to determine if a certificate has been revoked. When a CA revokes a certificate, it identifies the corresponding CRL and updates it accordingly. In some implementations, only one CRL is active for certificate assignment at any time, while in others, assignments are distributed among multiple CRLs using a statistical distribution formula.

Career Highlights

Ning Chai has built a successful career at DigiCert, Inc., where he continues to innovate in the field of digital security. His expertise in certificate management has positioned him as a key player in the industry, contributing to the development of more secure online environments.

Collaborations

Ning collaborates with talented professionals such as Hari Veladanda and Hoa Ly, who contribute to the innovative projects at DigiCert, Inc. Their teamwork fosters a creative environment that drives advancements in certificate technology.

Conclusion

Ning Chai's contributions to certificate revocation systems exemplify the importance of innovation in digital security. His patents not only enhance the functionality of certificate authorities but also improve the overall security of online communications.