Storage device

Details Storage device Storage device

2003-06-18

2008-08-19

Zand, Kambiz (Department: 2134)

Information security

Prevention of unauthorized use of data including prevention...

Reexamination Certificate

active

07415729

ABSTRACT:
A storage device allows expanding user utilizable applications by storing information permitted to be read according to a certificate and information permitted to be read according to information determined by a user. An information distributor receives a certificate from the storage device and after verifying the certificate, transmits data of a license and access control conditions to the storage device. After receiving data of a certificate from an information browser, verifying the certificate and imposing a limit on access based upon one of access control conditions, the storage device transmits data of the license and the other to the information browser. The information browser permits utilization of the license under the limitation defined by the access control condition. The certificate includes either or both of a certificate approved by a certificate authority and a PIN (personal identifying number) determined by the user.

REFERENCES:
patent: 7062652 (2006-06-01), Hirota et al.
patent: 2002/0157002 (2002-10-01), Messerges et al.
patent: 2003/0023867 (2003-01-01), Thibadeau
patent: 2001-14441 (2001-01-01), None
patent: 2002-163396 (2002-06-01), None
patent: 2002-163577 (2002-06-01), None

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