Circus tamper loop pro inlays and tags

July 01, 2020 //By Julien Happich
pro inlays
Combining tamper detection and highly secure product authentication in one NFC product, the Circus Tamper Loop Pro inlays and tags from Smartrac are based on the SIC43NT chip from Silicon Craft.

Typical applications areas comprise the authentication of pharmaceutical products and luxury goods from premium liquors to high-quality watches. The SIC43NT chip uses a highly secure MICKEY V1 Stream cipher algorithm to create one-time password values for real-time tag and message authentication. 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. Moreover, 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. Circus Tamper Loop Pro comes with 144 Byte user memory with password protection, works with all NFC reading devices, and is compliant to both NFC Forum Type 2 specifications and the ISO 14 443 A standard.

Smartrac –

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