Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2011-01-25
2011-01-25
Pyzocha, Michael (Department: 2437)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C726S027000
Reexamination Certificate
active
07877616
ABSTRACT:
A data management system including a storage and activating an application so that the application accesses contents in the storage and processes the contents. The data management system also monitors access of the application to the contents by associating information for the application brought into an activated status with information for the accessed contents. The data management system also enciphers the contents with the application information when the activated application writes the contents into the storage while deciphering the contents with the application information when the activated application reads out the contents.
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Abiko Yukihiro
Okada Yoshiyuki
Fujitsu Limited
Pyzocha Michael
Staas & Halsey , LLP
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