Method and system for secure information handling

Details Method and system for secure information handling Method and system for secure information handling

2005-10-18

2005-10-18

Darrow, Justin T. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Having particular address related cryptography

C713S162000, C713S182000, C713S193000

Reexamination Certificate

active

06957330

ABSTRACT:
Information that must remain secure is often stored on untrusted storage devices. To increase security, this information is encrypted by an encryption value prior to storing on the untrusted storage device. The encryption value itself is then encrypted. The encryption value is decrypted by correctly solving an access formula describing a function of groups. Each group includes a list of at least one consumer client. A requesting consumer client is granted access to the information if the requesting consumer client is a member of at least one group which correctly solves the access formula.

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