Reading a locked windows NFTS EFS encrypted computer file

Details Reading a locked windows NFTS EFS encrypted computer file Reading a locked windows NFTS EFS encrypted computer file

2005-02-24

2011-12-06

Flynn, Nathan (Department: 2431)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Security kernel or utility

C380S001000, C380S001000, C380S044000, C380S044000, C380S044000, C380S286000, C380S259000, C705S071000, C707S793000, C707S793000, C707S793000, C707S793000, C709S203000, C709S241000, C709S229000, C709S213000, C709S217000, C709S225000, C711S114000, C713S164000, C713S193000, C713S152000

Reexamination Certificate

active

08074069

ABSTRACT:
Embodiments of the invention relate to reading at least one locked, encrypted computer file encrypted by an encryption filter driver running on an operating system of a computer system, with an added kernel driver, while the operating system is running and reading at least one locked, unencrypted computer file in a computer system with an operating system with an added kernel driver while the operating system is running. An exemplary embodiment includes getting the handle of the locked, encrypted computer file, causing encryption key information associated with the locked, encrypted computer file to be processed, and reading data from the locked, encrypted computer file by using the added kernel driver.

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