METHOD AND APPARATUS FOR STREAMING DATA USING ROTATING CRYPTOGRAPHIC KEYS

Title:

METHOD AND APPARATUS FOR STREAMING DATA USING ROTATING CRYPTOGRAPHIC KEYS

Document Type and Number:

WIPO Patent Application WO2002080444

Kind Code:

A3

Abstract:

A method of producing a stream of digital data. The method includes determining a plurality of portions within the stream of digital data, such that a portion of the stream of digital data is encrypted with an encryption key that is capable of being decrypted by a decryption key and the portion including therein another decryption key capable of decrypting a subsequent portion of the stream of digital data, and the subsequent portion of the stream of digital data is encrypted with another encryption key that is capable of being decrypted by the another decryption key. The method also includes transmitting the stream of digital data, including the portion and the subsequent portion.

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Inventors:

MONTGOMERY DENNIS L

Application Number:

PCT/US2002/009793

Publication Date:

January 22, 2004

Filing Date:

March 26, 2002

Export Citation:

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Assignee:

ETREPPID TECHNOLOGIES LLC (US)

International Classes:

H04L9/18; (IPC1-7): H04L9/18; H04L9/08; H04L9/12

Foreign References:

EP1032159A2	2000-08-30
US6021391A	2000-02-01
US5341427A	1994-08-23
EP0676876A1	1995-10-11

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