Features

Companion Chip to CryptoRF and CryptoMemory

─ Securely implements host algorithms

─ Securely stores host secrets

─ Verifies Host Firmware Digests

High Security Features in Hardware

─ CryptoMemory and CryptoRF F2 Algorithm

CryptoCompanion

Chip

─ SHA-1 Standard Cryptographic Algorithm

─ 64-bit Mutual Authentication Protocol (Under License of ELVA)

─ Permanently Coded Serial Numbers

─ High Quality Random Number Generator (RNG)

─ Metal Shield Over Memory

─ Data Scrambling in Nonvolatile Memory

─ Delay Penalties to prevent Systematic Attacks

AT88SC016

Summary

─ Reset Locking to prevent Illegal Power Cycling

─ Voltage and Frequency Monitors

Host-side Crypto Functions

─ Authentication Challenge Generation

─ Device Challenge Response

─ Message Authentication Codes (MAC) Generation

─ Data Encryption and Decryption

─ Secure Authentication Key Management

Secure Storage and Key Management

─ Up to 16 sets of 64-bits Diversified Host Keys

─ Eight Sets of Two 24-bit Passwords

─ Secure and Custom Personalization

─ Up to 232-Byte Read/Write Configurable User Data Area

Nonvolatile Up Counters

─ Four sets Unidirectional Counters

─ 64 Million Maximum Counts Per Counter

Application Features

─ Low Voltage Operation: 2.7V – 3.3V

─ 2-Wire Serial Interface

─ 1.0 MHz Compatibility for Fast Operation

─ Standard 8-lead Plastic Packages

High Reliability

─ Endurance

: 100,000 Cycles

─ Data Retention : 10 years

─ ESD Protection : 3,000 min

5277AS− CryptoCompanion −02/08