AT88SC118-SH-CN Microchip

Atmel AT88SC118 CryptoCompanion Device for CryptoRF and CryptoMemory Products SUMMARY DATASHEET Features Atmel CryptoCompanion Device to Atmel CryptoRF and Atmel CryptoMemory Securely implements Host algorithms Securely stores Host secrets Verifies Host firmware digests High security features in hardware CryptoMemory and CryptoRF F2 Algorithm 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 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 6.4 million maximum counts per counter Application features Low voltage supply: 2.7V 3.6V 2-Wire Serial Interface (TWI, 5V compatible) Standard 8-lead SOIC plastic package, green compliant (exceeds RoHS) High reliability Endurance: 100,000 cycles Data retention: 10 years ESD protection: 3,000V min. HBM This is a summary document. The complete document is available on the Atmel website at www.atmel.com. Atmel-8858AS-CryptoComp-AT88SC118-Datasheet-Summary 0420131. Product Overview The CryptoCompanion is designed as the mate to the CryptoRF (CRF) and CryptoMemory (CM) devices, collectively referred to in the remainder of this document as CRF. The CryptoCompanion makes extensive use of the SHA-1 hash algorithm as specified in