US Patent Issued to CENTRO DE PESQUISAS AVANCADES VON BRAUN on Nov. 4 for "Embedding protected memory access into a RFID authentication process based on a challenge-response mechanism" (Brazilian Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,834, issued on Nov. 4, was assigned to CENTRO DE PESQUISAS AVANCADES VON BRAUN (Campinas, Brazil).

"Embedding protected memory access into a RFID authentication process based on a challenge-response mechanism" was invented by Alexander Peter Sieh (Campinas, Brazil) and Henrique Uemura Okada (Marilia, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "A RFID tag, a reader and a protocol allow a protected read operation in a two-step tag authentication with cipher-block cryptography. A challenge-response mechanism using a shared secret symmetric key for tag authentication includes a challenge and information to read data from a tag's memory. Tag's e...