NXP Semiconductors
NT4H2421Gx
NTAG 424 DNA – Secure NFC T4T compliant IC
• Flexible access control configurable per file (EF)
– Individual key configuration for Read (R) / Write (W) / ReadWrite (RW) / Configuration
• Configurable secure messaging communication mode
– Plain communication
– CMAC protected for message integrity protection
– Full Enciphered plus CMAC for full encryption of complete data transferred through
contactless interface
• ECC-based NXP originality signature
• AES-based originality keys leveraging the LRP wrapped AES authentication
2.4 Specific Features
• Frame-level oriented automatic anti-tearing mechanism
• High input capacitance (50 pF) for small form factor design
3 Applications
NTAG 424 DNA offers multi-layered security to enable a broad range of trusted
applications that protect products, services and user experiences.
• Advanced anti-counterfeiting
Verify authenticity of physical goods and identify sales outside authorized markets
• Secured exclusive user experiences
Reward customers with truly exclusive and personalized content, offers and privileges
• Secured sensitive data applications
Protect sensitive product and user data, or trigger an action upon a verified incidence,
e.g., payment
• Protected monetary offers
Confer trust to proximity transactions such as coupons, promotions or loyalty points
• Document authentication
Authenticate originality and track provenance of documents that bear credentials
• Secure authentication and configuration of closed loop devices
Authenticate consumables and parts, and enable automated transfer of device settings
• Verified physical visitor presence
Enable secure visitor authentication, with proof of live presence and service records
• Secure log-in credentials
Protect web services using two-factor authentication logons to sensitive content sites
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All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2019. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.0 — 31 January 2019
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