Introduction

The SHA105 is a member of the Microchip Technology Inc. CryptoAuthentication™ product family. The device provides 128 bits of symmetric security targeted for disposable and ecosystem control applications and is intended to be used as a companion device and is microcontroller/microprocessor agnostic. The device is intended for use on the host side of symmetric authentication use cases and can provide secure key storage along with the ability to validate the MAC operation on an accessory/disposable security device through the use of a CheckMAC operation.