Remote Update of A Portable Storage Device

摘要

This invention relates to a method for remotely updating a portable storage device, comprising the steps of: a) delaying an access to an identification card interface of a portable storage device communicating with a hosting device by acknowledging with one or more consecutive no operation procedure byte to commands issued by the hosting device, the portable storage device being installed in an identification card socket; b) updating the portable storage device with new data through an updating device connected to an update interface of the portable storage device during the access of said hosting device to the identification card interface; and c) providing the new data to the hosting device through the identification card interface after the new data is updated in the portable storage device.

主权项

1. A method of remotely updating a portable storage device, comprising:
providing a portable storage device comprising an identification card interface and an update interface; providing a hosting device comprising an identification card socket; said portable storage device and said hosting device connected with each other; said portable storage device is installed in said identification card socket of said hosting device; sending by said hosting device a request for data from said portable storage device; prolonging communication with said hosting device by acknowledging commands issued by said hosting device with at least one consecutive no operation procedure byte; updating said portable storage device with data from said request through an updating device connected to said update interface of said portable storage device; and providing said requested data to said hosting device through said identification card interface.