特性 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