Roch Olivier Lescuyer De Chaptal-Lamure

Title: **Roch Olivier Lescuyer De Chaptal-Lamure: Innovator in Data Encryption and Biometric Identification**

Introduction

Roch Olivier Lescuyer De Chaptal-Lamure is a prominent inventor based in Issy les Moulineaux, France, known for his contributions to the fields of data encryption and biometric identification. With a total of two patents to his name, his work showcases a deep understanding of both security and personal identification technologies.

Latest Patents

His latest patents include a "Method for encrypting or decrypting a n-tuple of data with a n-tuple of predetermined secret keys." This innovative method employs a data-processor to determine first internal states through a series of operations. Each element is handled by first operations represented by tables, combining bijective internal encoding, a non-linear sharing function, and specific non-linear permutation functions parameterized by secret keys. The second element in this patent pertains to creating a second internal state via a linear multiplexing function, showing a sophisticated approach to safe data handling.

Another significant patent is the "Identification method of an entity," which presents a biometric identification method. This method computes a matching value between biometric data of an entity and reference biometric data using a function. Notably, it executes a non-interactive, publicly verifiable computation method, enhancing the security and reliability of biometric data processing. The innovative approach includes converting arithmetic circuits into polynomial representations, allowing more straightforward evaluation and validation processes.

Career Highlights

Roch has had an impressive career, having worked with leading companies, particularly in the areas of identity and security. He was associated with Idemia Identity & Security and Idemia Identity & Security France, where he could implement his expertise in data security and biometric technologies.

Collaborations

Throughout his career, Roch has collaborated with notable individuals in his field, including peers such as Julien Bringer and Herve Chabanne. These collaborations have likely contributed to the development of his innovative ideas and the successful realization of his patents.

Conclusion

Roch Olivier Lescuyer De Chaptal-Lamure stands out as an influential inventor in the realms of data encryption and biometric identification systems. His innovative methods and collaboration with key industry figures underline the importance of his contributions to technology, paving the way for advancements in security and identification systems.