News
STMicroelectronics extends brand protection with NFC tags featuring state-of-the-art on-chip digital signature
10/04/2024State-of-the-art technology protects high-value product’s journey through the supply chain and consumers with blockchain-compatible elliptic curve cryptography.
STMicroelectronics’ ST25TA-E NFC tag IC strengthens the security of digital product passports and blockchain-based applications by implementing state-of-the-art on-chip digital signature mechanism, TruST25™ Edge.
Based on elliptic curve cryptography (ECC), running on an advanced asymmetric cryptographic engine embedded in the ST25TA-E, the new on-chip signature ensures the authenticity of an attached physical object. Combining both on-chip and off-chip digital-signature mechanisms, the new ST25TA-E NFC tag comprehensively protects against counterfeit and gray market activities and enhances opportunities for consumer engagement.
The ST25TA-E meets the high standards expected by luxury brands in particular and is ideal for protecting high-value products such as designer clothes and accessories, art, or other items that need a digital certificate. Tapping with an NFC-enabled smartphone can track the attached product’s entire journey through the supply chain to verify the provenance of individual products and assist security auditing.
The combination of strengthened authentication and on-chip user memory also lets brand owners deliver tailored consumer experiences. Customers can interact easily using a smartphone to access content stored on the tag and engage with the brand online, including securely registering and transferring ownership.
In blockchain-based applications, the TruST25 Edge ECC-based signature is natively supported by blockchain technology, ensuring immutability and transparency of data.
Further features of the ST25TA-E tag IC include partial and whole-memory protection by password in both read and write modes, permanent file locking to prevent rewriting, and anonymous mode to protect consumer privacy. In addition, support for Augmented NFC data exchange format (NDEF) enables simultaneous and native data transfer, initiated conveniently using a smartphone without needing to install an app.
Delivering the enhanced security of on-chip digital signatures, enabled by advanced ECC-based asymmetric cryptography, the ST25TA-E is convenient, secure, easy to use, and competitively priced from $0.325 for orders of 1000 pieces.
Blockchain-based brand protection
Protect products and connect them to the digital world with a turnkey solution. Based on NFC technology, the new ST25TA-E tag makes for the first time blockchain-based protection easy to implement. The tag can be seamlessly integrated into any luxury product to combat counterfeiting—fashion apparel, perfume bottles, etc. Beyond protection, the tag also offers new digital experiences for conscious consumers.
Ready-to-use security features
The ST25TA-E tag comes with advanced security features and offers enhanced protection using advanced ECC-based asymmetric cryptography.
This structure not only bolsters security but also simplifies key management for brands. To put it simply, private keys are securely stored inside the ST25TA-E tag, and brands only handle public keys. Additionally, the ST25TA-E tag comes with blockchain-formatted data which facilitates the use of blockchain technology to track and protect luxury products and guarantee their authenticity.
- Asymmetric cryptography
- Blockchain native support
- Blockchain compliant signature
- On-chip ECDSA digital signature
- Secure private key storages
Connect & protect luxury goods
Seamlessly integrate a ST25TA-E tag into luxury products, and easily create a blockchain-secured digital twin to ensure product authenticity. The tag provides customers with trusted content such as a digital product passport. A simple tap from a smartphone is all it takes for a customer to verify the authenticity of a product and gain access to personalized marketing content.
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