Rachid Dafali

Title: Rachid Dafali: Innovator in Security Circuit Technology

Introduction

Rachid Dafali is a notable inventor based in Chartres de Bretagne, France. He has made significant contributions to the field of security circuit technology, holding three patents that address critical issues in digital circuit protection.

Latest Patents

One of Rachid's latest patents is focused on devices and methods for the detection and localization of fault injection attacks. This innovative device is designed to detect perturbation attacks on digital circuits. It comprises a first metallic layer and a second metallic layer arranged on the digital circuit, with signal transmission lines routed both horizontally and vertically. The device includes transmitter and receiver buffers connected by these signal transmission lines, along with a random number generator that produces random signal values. The transmitter manager transmits these values, while the receiver manager measures transmission times to detect any perturbation attacks.

Another significant patent is the Multi-master security circuit. This System on Chip features at least two hardware masters and a security circuit, along with a communication infrastructure based on a specific interface communication protocol. Each hardware master can send requests to the security circuit, which includes a Secure Mailbox that filters these requests based on an indicator bit. This innovative approach ensures that only authorized hardware masters can access the security circuit, enhancing overall security.

Career Highlights

Rachid Dafali is currently employed at Secure-ic Sas, a company specializing in security solutions for integrated circuits. His work focuses on developing advanced technologies that protect digital systems from various security threats. His expertise in this area has positioned him as a key player in the field of security circuit innovation.

Collaborations

Rachid collaborates with esteemed colleagues such as Jean-Luc Danger and Sylvain Guilley. Their combined expertise contributes to the advancement of security technologies and the development of innovative solutions in the industry.

Conclusion

Rachid Dafali is a prominent inventor whose work in security circuit technology has led to significant advancements in protecting digital systems. His patents reflect a deep understanding of the challenges in this field and showcase his commitment to innovation.