Resources Contact Us Home
Mobile computer and method of packet encryption and authentication in mobile computing based on security policy of visited network

Image Number 6 for United States Patent #6170057.

A mobile computer and a packet encryption and authentication method which are capable of controlling an activation of a packet encryption and authentication device belonging to the mobile computer according to the security policy at the visited network of the mobile computer. The mobile computer is provided with a packet encryption and authentication unit having an ON/OFF switchable function for applying an encryption and authentication processing on input/output packets of the mobile computer. Then, one of the packet encryption and authentication unit and an external packet processing device is selectively controlled to carry out the encryption and authentication processing on the input/output packets, where the external packet processing device being provided in a visited network at which the mobile computer is located and having a function for relaying packets transferred between a computer located in the visited network and a computer located in another network by applying the encryption and authentication processing.

  Recently Added Patents
Aluminum oxide coated cutting tool and method of manufacturing thereof
Method and system for electronic distribution of product redemption coupons
Use of deuterium oxide for the treatment of virus-based diseases of the respiratory tract
Light emitting device
Apparatus and method for sterilizing vessel with electron beam
Control of an electric machine
Simplifying lexicon creation in hybrid duplicate detection and inductive classifier systems
  Randomly Featured Patents
Merchandise pairing tie
Sawing device attachable to regular electric drill
Preparation of a mechanically durable single layer coating with anti-reflective properties
Oil cooler with a self-fastening, self-orienting pressure relief valve
Immortalized rabbit hybridoma fusion partner
Shadow-creating depression for establishing microchip location during visual inspection
Method of launching low-priority tasks
Anode electrolysis electrode material using precious metal-based amorphous alloy suitable for plastic processing and applicable to a bulk member
Process and apparatus for pulse labelling protein material in the Edman degradation process
Adapter for electrically connecting smart card to motherboard