Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method for issuing IC card storing encryption key information










Image Number 5 for United States Patent #8099771.

It is possible to issue an IC card storing unique encryption key information in such a manner that re-issuing is enabled and sufficient security can be assured. An IC card provider X delivers an IC card having a group code G(A) to a company A and an IC card having a group code G(B) to a company B. When a company staff .alpha. inputs a unique personal code P(.alpha.) and performs initialization, in the IC card, calculation is performed according to a predetermined algorithm using the P(.alpha.) and G(A). Data uniquely determined by the calculation is stored as encryption key information K(.alpha.) in the IC card. Even if the company staff .alpha. loses the IC card, it is possible to obtain the IC card having the same encryption key information K(.alpha.) as before by performing initialization again by using the IC card delivered by the IC card provider X.








 
 
  Recently Added Patents
Display screen with graphical user interface
System and method for updating firmware
System and method for providing restrictions on the location of peer subnet manager (SM) instances in an infiniband (IB) network
Method for detecting directions of regularity in a two-dimensional image
Identification wristband
Film-forming resins as a carrier for topical application of pharmacologically active agents
Method and system for selecting a target with respect to a behavior in a population of communicating entities
  Randomly Featured Patents
Current source having high impedance current output and method therefor
Floor scrubber
Pivot device
Power tool
Radiographic imaging apparatus
Exercise towel
Tread portion of an automobile tire
Matched-impedance surface-mount technology footprints
Acetate spectacle frame bridge adjuster
Aqueous cleaning of blade stack