Extensible and flexible electronic information tracking...

Details Extensible and flexible electronic information tracking... Extensible and flexible electronic information tracking...

2006-08-01

2006-08-01

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

System access control based on user identification by...

C713S161000, C713S168000

Reexamination Certificate

active

07085932

ABSTRACT:
A method for tracking electronic information comprising encrypting an electronic file; attaching or incorporating with the file a standalone executable program that implements a request for an encryption key accompanied by tracking information when an attempt is made to access the file; verifying the tracking information; if the tracking information is verified as acceptable, providing the encryption key; and if the tracking information is not verified as acceptable, modifying the file to include a record of the failed attempt to access the file and the tracking information.

REFERENCES:
patent: 5384835 (1995-01-01), Wheeler et al.
patent: 5613012 (1997-03-01), Hoffman et al.
patent: 5671279 (1997-09-01), Elgamal
patent: 5742762 (1998-04-01), Scholl et al.
patent: 5764955 (1998-06-01), Doolan
patent: 6163772 (2000-12-01), Kramer et al.

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