Data processing system having public encryption and private...

Details Data processing system having public encryption and private... Data processing system having public encryption and private...

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06

F

354/243

G06F 12/14 (2006.01) G06F 1/00 (2006.01) G06F 13/00 (2006.01) G06F 21/00 (2006.01) H04L 9/00 (2006.01)

Patent

CA 1213069

-22- ABSTRACT OF THE DISCLOSURE DATA PROCESSING SYSTEM HAVING PUBLIC ENCRYPTION AND PRIVATE DECRYPTION KEYS A data processing system that provides for the public encryption of software programs while simultaneously protecting against the public decryption and piracy of those programs is comprised of a plurality of microprocessors; each microprocessor has a unique and publicly accessible encryption key for encrypting software programs in a unique fashion for that microprocessor; each microprocessor further has a unique decryption key for decrypting programs that have been encrypted with the microprocessor's unique encryption key; the decryption key in each microprocessor is imbedded therein in a fashion which makes the decryption key humanly imperceptible, and is of a type that is not determinable from the publicly accessible encryption key.

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