Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2006-06-06
2006-06-06
Moise, Emmanuel L. (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S157000, C713S175000, C713S176000, C713S172000, C713S173000, C235S492000, C235S376000, C705S044000
Reexamination Certificate
active
07058804
ABSTRACT:
A data storing system is provided, wherein the data storing system includes: a user apparatus; an issuing apparatus which issues a registration certificate; a data providing apparatus; an issuer registration apparatus; and a data registration apparatus; wherein the user apparatus includes: a part which generates registration information on a key including a user public key, sends the registration information to the issuing apparatus with user information; and a part which verifies a registration certificate, received from the issuing apparatus, which is signature information of the issuer for the registration information and the user information, stores the registration certificate to a storage device when the registration certificate is verified; wherein the issuing apparatus includes a part which generates the registration certificate and sends the registration certificate to the user apparatus.
REFERENCES:
patent: WO 00/08611 (2000-02-01), None
“Contermporary Encryption Theory”, Ikeno, Koyama, IEICE.
Next generational IC card system study group, “NICS-Framework basic concept”, Mar. 2000 pp. 1-66.
VISA, “Open Platform, Overview”, Feb. 2000, pp. 1-29.
MAOSCO, “Overview of the MULTOS Environment” 1997, pp. 1-11.
Akashika Hideki
Hirata Shinichi
Kokubu Akio
Ohyama Nagaaki
Chen Shin-Hon
Kenyon & Kenyon
Moise Emmanuel L.
Nippon Telegraph and Telephone Corporation
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