Hye-Ran Mun

Title: Hye-Ran Mun: Innovator in Key Verification and Content Protection Technologies

Introduction

Hye-Ran Mun is a notable inventor based in Gwangju, South Korea. He has made significant contributions to the fields of key verification and content protection technologies. With a total of 2 patents, his work is recognized for its innovative approaches to enhancing security in digital communications.

Latest Patents

Hye-Ran Mun's latest patents include a method of verifying key validity and a server for performing the same. This invention discloses a method where a service provision server verifies key validity in an anonymous service aimed at providing local linkability. The server receives a revocation list and generates a local revocation list using the received data and a secret key. It calculates a virtual index of a service user necessary for verifying key validity, determining whether the user's key is valid based on its inclusion in the local revocation list.

Another significant patent is a content protection apparatus and method that utilizes the binding of additional information to an encryption key. This invention includes an encryption unit that creates an encryption key for encrypting data requested by a user terminal. It generates encrypted data and manages additional information related to the encrypted data. A White-Box Cryptography (WBC) processing unit generates a WBC table to bind the encryption key to the additional information, while a bound data generation unit creates bound data that links the encrypted key to the additional information.

Career Highlights

Hye-Ran Mun is affiliated with the Electronics and Telecommunications Research Institute, where he continues to advance his research and development efforts in innovative technologies. His work has garnered attention for its practical applications in enhancing digital security.

Collaborations

Hye-Ran Mun has collaborated with notable colleagues, including Sok-Joon Lee and Jung-Yeon Hwang, who contribute to the research and development efforts in their respective fields.

Conclusion

Hye-Ran Mun's contributions to key verification and content protection technologies highlight his role as an influential inventor in the field. His innovative patents reflect a commitment to enhancing security in digital communications, making a significant impact on the industry.