Features
• Cryptographic Authentication Device with Secure Hardware-Based Key Storage:
– Protected storage for private key, certificates, symmetric key or user data
• Hardware Support for the Asymmetric Sign:
– ECDSA: FIPS186-4 Elliptic Curve Digital Signature
– NIST standard P-256 Elliptic Curve Support
• Hardware Support for SHA-256 and HMAC
• Internal Asymmetric Key Generation
• Internal High-Quality NIST SP 800-90A/B/C Random Number Generator (RNG)
• Joint Interpretation Laboratory (JIL) Score for Resistance to Attackers with Attack Potential – High
– Evaluated to the standard “Jil-Application-Of-Attack-Potential-To-Smartcards-V3.1”
– Achieved through tamper-resistant countermeasures to resist environmental, non-invasive and invasive
Fault attacks
• FIPS 140-3 Compliance Mode Configuration Option
• Field-Programmable EEPROM:
– Single ECC private key
– One device certificate and one CA signer certificate
– Single symmetric secret key
– 64-byte user memory
– >40-year data retention at +55℃
• Monotonic Counter with the Maximum Count Value of 10,000
• Unique 72-bit Serial Number
• Two Interface Options Available:
• 125 kbps Pulse-Width Modulated (PWM) single-wire serial interface (SWI)
• Parasitic power support for single-wire interface with External Capacitor
• 400 kHz Fast mode I2C interface
• 130 nA Nominal Sleep Current
• Extended Industrial Temperature of -40℃ to +105℃ Ambient Operating Range
• Human Body Model (HBM) ESD: I2C Devices: >4 kV; SWI Devices >7 kV
• Packaging Options:
• 8-pad UDFN (2 mm x 3mm), 8-lead SOIC, 3-lead Contact