Alexander Peter Sieh

Title: Alexander Peter Sieh: Innovator in RFID Authentication Technology

Introduction

Alexander Peter Sieh is a notable inventor based in Campinas, Brazil. He has made significant contributions to the field of RFID authentication technology, holding a total of 3 patents. His work focuses on enhancing security measures in data transmission through innovative methods.

Latest Patents

One of Sieh's latest patents involves embedding protected memory access into an RFID authentication process based on a challenge-response mechanism. This invention includes a RFID tag, a reader, and a protocol that allows for a protected read operation in a two-step tag authentication using cipher-block cryptography. The challenge-response mechanism utilizes a shared secret symmetric key for tag authentication, which includes a challenge and information necessary to read data from the tag's memory. The tag's enhanced reply to the challenge-response mechanism consists of a response to the reader's challenge along with data from the tag's memory. Additionally, the method embeds a protected write operation in a four-step reader authentication process, also utilizing cipher-block cryptography. This protocol allows for a challenge-response mechanism for reader authentication, which includes a challenge and information to write data to the tag's memory. The reader's enhanced reply includes a response to the tag's challenge and data for writing to the tag's memory. Authenticated read and write data can be in plaintext, message authentication code (MAC)-protected, encrypted, or both encrypted and MAC protected.

Career Highlights

Throughout his career, Sieh has worked with prominent research institutions, including the Wernher Von Braun Centro de Pesquisas Avançadas. His innovative work has positioned him as a key figure in the development of secure RFID technologies.

Collaborations

Some of his notable coworkers include Henrique Uemura Okada and Osmar Vieira Machado. Their collaborative efforts have contributed to advancing the field of RFID authentication.

Conclusion

Alexander Peter Sieh is a distinguished inventor whose work in RFID authentication technology has made a significant impact. His innovative patents and collaborations highlight his commitment to enhancing security in data transmission.