Patent ID: 6823069
Filing Date: 2004-11-23
Classification: H04L

Abstract:
An encrypting apparatus connectable via a communication network to a remote computer disposed at a remote place, comprising:a circuit unit, having at least one programmable logic device, to form an encrypting circuit with the programmable logic device corresponding to given encrypting specifications; a network connecting unit to connect said encrypting apparatus to the communication network; a mapping data generating unit to read change data for changing at least one of the encrypting specifications in accordance with predetermined criteria received from the remote computer via the communication network, and to generate a mapping data object representing the structure of the encrypting circuit; a changing unit, coupled to said circuit unit and said change data generating unit, to change automatically a structure of the encrypting circuit corresponding to the mapping data object by changing a circuit structure of the programmable logic device without removal from said encrypting apparatus; and an enclosure substantially surrounding said circuit unit, said network connecting unit, said mapping data generating unit and said changing unit.