Migrating from the ATECC608A to the ATECC608B

PublishTime：2021-06-17

Over time, security capabilities and expectations evolve within the security world along with the capabilities of attacks that seek to compromise secure systems. Recognizing these changes, Microchip has developed a security-enhanced version of the ATECC608A, known as the ATECC608B. The security changes implemented in the device are largely behind the scenes and are not directly observable during normal operation. The ATECC608B has been designed to allow an easy migration from the ATECC608A, while improving the overall security.
For new designs, it is recommended that users start directly with the ATECC608B. For designs that are going through an upgrade or a revision, it is recommended that part of the upgrade include the ATECC608B. For other designs,users must do an overall security assessment and determine if they need to migrate to the ATECC608B.
The ATECC608B continues the line of security products developed as part of the Microchip CryptoAuthentication™ family of high-security cryptographic devices. These devices combine world-class hardware-based key storage with hardware cryptographic accelerators to implement various authentication and encryption protocols. All applications and use cases previously supported by the ATECC608A are also supported by the ATECC608B.

Brand of Product：	MICROCHIP
Part#：	ATECC608A 、 ATECC608B 、 ATSHA204A 、 ATECC508A More Part#
Product Category：	More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2021/05/27
Version Number：
Data Encoding：	AN2237
Data Size：	146 KB

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