Cryptography – Having production of printed copy
Reexamination Certificate
2007-07-24
2007-07-24
Zand, Kambiz (Department: 2134)
Cryptography
Having production of printed copy
C380S278000
Reexamination Certificate
active
09483183
ABSTRACT:
An Internet-based printing system allows for the distribution and printing of documents and images in a secure, controlled manner. The system includes a secure printer that receives, decrypts and prints documents supplied by a document server. Security of the system is realized by an aggregate of a secure communication protocol, smart card technology and the computational infeasibility of breaking a public key cryptographic system. The system may be used for electronic commerce, in which copies are made on a “pay-per-print” basis.
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Kite Thomas D.
Lin Qian
Nguyen Hugh P.
Tretter Daniel R.
Wong Ping Wah
Brown Christopher J.
Hewlett--Packard Development Company, L.P.
Zand Kambiz
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