System and method for protecting master encryption keys
CA 2585987 C · Owner: Little, Herbert A. · Inventors: Little, Herbert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for protecting master transport encryption keys stored on a computing device. Master transport encryption keys are used to secure data communications between computing devices. In one example embodiment there is , provided a method in which a copy of a master transport encryption key is generated and stored in a volatile store of a first computing device (e.g. a mobile device). This copy of the master transport encryption key can be used to facilitate the decryption of data received at the first computing device from a second computing device (e.g. a data server) even while the first , computing device is locked. The method also comprises encrypting the master …
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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
- Filed December 22, 2005 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 22, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.