Tamper detection and highly
secure products authentication

Industry segments: Beauty and Personal Care, Food, Healthcare
HUAYUN DIGITAL HNM™ Tamper Loop Pro tags extend the proven tamper detection and authentication features of the HNM™ Tamper Loop tags with advanced cryptographic capabilities provided by its “Pro” level Silicon Craft SIC43NT chip.
The IC uses a highly secure MICKEY V1 Stream cipher algorithm to create one-time password values for real-time tag and message authentication. Leveraging its unique feature set, HNM™ Tamper Loop Pro 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. 
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 can be checked at the tap of a smartphone via a programmed on-chip URL. Secure authentication can be set to start creating 
HNM™ Tamper Loop Pro is compliant with ISO 9001:2015 Quality Management and ISO14001:2015 Environmental Management. This ensures a reliable and state-of-the-art product that meets a variety of application needs.