Olivier Bronchain

Title: Olivier Bronchain: Innovator in Lattice-Based Cryptography

Introduction

Olivier Bronchain is a notable inventor based in Auderghem, Belgium. He has made significant contributions to the field of cryptography, particularly in lattice-based systems. With a total of 4 patents, his work focuses on enhancing security measures in digital signature algorithms.

Latest Patents

One of his latest patents is titled "Fault detection of differential fault attack in lattice based cryptography." This invention involves a data processing system that includes instructions for fault detection in a digital signature algorithm. The system computes a vector based on secret nonce and key vectors, and it assesses the integrity of digital signatures by analyzing polynomial coefficients.

Another significant patent is "Masked infinity norm check for crystals-dilithium signature generation." This patent outlines a method for norm checking in cryptographic operations. It describes a process that involves polynomial multiplication, secure conversion to Boolean shares, and adjustments to ensure positive output values. These innovations are crucial for improving the reliability and security of cryptographic systems.

Career Highlights

Olivier Bronchain is currently employed at NXP B.V., where he continues to develop cutting-edge technologies in the field of cryptography. His expertise and innovative approach have positioned him as a key player in the industry.

Collaborations

Throughout his career, Olivier has collaborated with talented individuals such as Tobias Schneider and Joost Roland Renes. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Olivier Bronchain's contributions to lattice-based cryptography demonstrate his commitment to advancing security technologies. His patents reflect a deep understanding of complex cryptographic systems and a dedication to innovation.