Data cryptography operations using control vectors
CA 1322418 C · Owner: Matyas, Stephen M. · Inventors: Matyas, Stephen M.; Abraham, Dennis G.; Le, An V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Data cryptography is achieved in an improved manner by associating with the data cryptography key a control vector, which provides the authorization for the uses of the key intended by the originator of the key. Among the uses specified by the control vector are limitations on encryption decryption, authentication code generation and verification translation of the user's data. Complex combinations of data manipulation functions are possible using the control vectors in accordance with the invention. The system administrator can exercise flexibility in changing the implementation of his security policy by selecting appropriate control vectors in accordance with the invention. …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 21, 2010.
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Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.