ELECTRONIC SYSTEM, ELECTRONIC APPARATUS AND ACCESS AUTHENTICATION METHOD THEREOF

摘要

An electronic system, an electronic apparatus, and an access authentication method thereof are provided. The electronic system includes a master apparatus and a slave apparatus. The slave apparatus is coupled to the master apparatus through a serial transmission interface. The slave apparatus includes a data storage unit protected by the slave apparatus with a predetermined key. The master apparatus sends an access request to the data storage unit through the serial transmission interface. The slave apparatus determines whether the master apparatus is allowed to access the data storage unit according to the predetermined key and a key inputted by the master apparatus for authentication.

主权项

1. An electronic system, comprising:
a master apparatus; and a slave apparatus coupled to the master apparatus through a serial transmission interface and comprising a data storage unit protected by the slave apparatus with a predetermined key, wherein the master apparatus sends an access request for accessing the data storage unit to the slave apparatus through the serial transmission interface, and the slave apparatus performs authentication according to the predetermined key and an input key of the master apparatus to determine whether to allow the master apparatus to access the data storage unit.