ATECC Compressed Certificate Definition

PublishTime：2021-10-25

●This document provides the details required to integrate a Microchip ATECC CryptoAuthentication™ secure element into a third-party X.509 certificate chain. Due to the size requirements of an X.509 Certificate, only a portion of the certificate can be stored in the secure element, with the remainder being stored elsewhere in the system. The portion of the certificate that is stored in the secure element is known as the Compressed Certificate1. The host system has the responsibility to fully reconstitute the complete X.509 Certificate by combining the different portions stored in the secure element and elsewhere in the system or microcontroller memory.
●Features
■Compressed Certificate Details
■Certificate Template
■Support for X.509 Certificates
■Microchip ATECC Device Supported Authentication Chaining Overview

Brand of Product：	Microchip
Part#：	ATECC 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：	06/2020
Version Number：	Rev.A
Data Encoding：	DS20006367A
Data Size：	234 KB

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