Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2004-09-02
2009-12-01
Zia, Syed A. (Department: 2431)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S153000, C713S155000, C713S157000, C713S172000, C713S183000, C705S051000, C705S054000, C705S057000, C707S793000, C726S001000, C726S005000, C726S026000, C380S201000
Reexamination Certificate
active
07627750
ABSTRACT:
A method for delivering digital data to a plurality of processing units is disclosed. A plurality of portable memory device containing a first set of digital data is distributed to the plurality of processing units. The first set of digital data is unencrypted and comprises a content portion and an identification label. At least one of the processing units sends the identification label to a remote station. The remote station then encrypts a second set of digital data and delivers the encrypted data to the requesting processing unit. The requesting processing unit can decrypt the encrypted data, and combine the decrypted second set of data with the content portion.
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Data Innovation LLC
Martin & Ferraro LLP
Wright Bryan
Zia Syed A.
LandOfFree
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