CryptoAuthentication 套件

enly

Atmel公司的CryptoAuthentication™硬件密钥存储设备可以确保配件、软件、医疗设备、固件、网络节点和其它许多设备不被克隆或篡改。这意味着它们能保持产品的“真实性”，这也是认证过程的本质。安全地保护密钥是保证安全的真正关键，而任何时候硬件密钥存储技术都要优于软件方法。Feature

       

• Personalize Configuration Zone – Personalize device configuration such as I2C_Address, OTPMode, SelectorMode, SlotConfig, UseFlag, LastKeyUse, and Selector Value.       
  
• Lock Configuration Zone – Lock Configuration zone after the Configuration zone has been personalized. Atmel recommends including CRC checksum in the lock process to ensure that the device has been personalized as desired.
  
         
  
  • Configuration zone must be locked to enable the personalization of Data/OTP zones. Prior to locking Configuration zone, Data/OTP zone cannot be read nor written at all. .
    
         
  
• Personalize Data/OTP Zones – Personalize Data zone to store data such as keys, calibration data, model number, etc. Personalize OTP zone to store fixed data such as model numbers, calibration information, manufacturing history, or other data that should never change.       
  
•  Lock Data/OTP Zones – Lock Data/OTP zones after writing Data and OTP zones. Atmel recommends including CRC checksum in the lock process to ensure the data written are as desired.