Atmel CryptoAuthentication

Device FamilySummary BenefitApplicationsTechnologiesKey Parameters
SHA-based DevicesFast authentication Easy key managementClone prevention Home and Building Automation Controlled access Industrial control Mobile accessories Lighting White GoodsHMAC Limited use keys for consumables1MHz I2C Interface Single wire interface 256 bit key size
AES-based DevicesAuthentication plus Encryption in a single protocolMedical data Industrial control Secure telecom Controlled AccessAES-CCM High endurance counters1MHz I2C Interface SPI interface
ECC-based DevicesAuthentication without the requirement for secure storage in the host No requirement for high speed computing in client devicesIndustrial networking Industrial control Secure telecom Home and Building Automation Mobile accessories Metering LightingTemperature sensor ECDSA Limited use keys for consumables1MHz I2C Interface Single wire interface