Title:
【発明の名称】ICカードのプログラミング領域を保護するための安全システム
Document Type and Number:
Japanese Patent JP2759102
Kind Code:
B2
Abstract:
The use of chip cards, with the level of security of the type associated with chip cards of the type used by banks, is extended to move widespread use by organizing a secure dispatch of blank chip cards to customers wishing to program specific applications therein. The system consists in sending this customer the blank chip card itself and a programming access key to this card, by separate routes. To prevent any additional risks, the access key is itself enciphered and can be deciphered only be a deciphering element in the possession of the customer. The card can then be programmed only if this card is confronted with its deciphering key.
Inventors:
IUON BAUU
JIRU RIJIMATSUKU
JIRU RIJIMATSUKU
Application Number:
JP1178289A
Publication Date:
May 28, 1998
Filing Date:
January 20, 1989
Export Citation:
Assignee:
ESU JEE ESU TOMUSON MIKUROEREKUTORONIKUSU SA
International Classes:
G06F12/14; G06F21/60; G06F21/62; G06K17/00; G06K19/073; G06Q20/34; G06Q20/36; G06Q20/38; G07F7/10; (IPC1-7): G06F12/14; G06K17/00; G06K19/073
Domestic Patent References:
| JP61143893A | ||||
| JP6037070A | ||||
| JP62177693A |
Other References:
【文献】米国特許4105156(US,A)
Attorney, Agent or Firm:
Keiko Okabe