Circus Tamper Loop Pro products extend the tamper detection and authentication features of this range of tags with advanced cryptographic capabilities provided by its Pro level IC. Typical application areas include the authentication of pharmaceutical products and luxury goods such as premium spirits, says the report in Printed Electronics Now. The SIC43NT chip uses a secure MICKEY V1 Stream cipher algorithm to create one-time password values for real-time tag and message authentication. This new NFC product targets a wide array of NFC-based applications in highly secure product authentication and brand protection, consumer engagement, customer loyalty programs and protected content distribution, explains the company. The product’s tamper-loop design specifically enables an advanced digital seal functionality for smart packaging and brand protection. It exhibits one of two conditions: A closed-loop shows that the packaging is sealed; while an open loop indicates an open package. Additionally, the tamper loop status is irreversibly stored in the IC memory and can be checked at the tap of a smartphone via a programmed on-chip URL. Secure authentication can be set to start creating one-time password values either before or after the loop has been tampered with. The tag comes with 144 Byte user memory with password protection. It works with all NFC reading devices, and is compliant to both NFC Forum Type 2 specifications and the ISO 14 443 A standard.. Using different methods and algorithms to comply with different security levels, the ICs of all Pro inlays and tags provide one-time password values for real-time tag and message authentication, supporting a choice of digital verification services for secure product authentication and the delivery of exclusive digital content. “By combining a digital seal functionality and advanced cryptographic capabilities, the new inlays and tags meet the requirements of many customers looking for highly secure product authentication and brand protection, consumer engagement, customer loyalty programs or protected content distribution”, according to Dr Juha Virtanen, head of R&D, Avery Dennison Intelligent Labels.