Security arrangement for exchange of encrypted information
CA 2324772 A1 · Owner: Groves, David Henry · Inventors: Spence, John Richard; Groves, David Henry; Ivanescu, Viorel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of remote loading of confidential information between a secure pin entry device and a Authorzing Institute using public and private key encryption techniques. In addition, a digital certificate uniquely identifying the terminal is provided by the terminal when a communication with the Authorzing Institute is originated. The Authorzing Institute confirms the authenticity of the digital certificate. This confirmation can occur using the public key of the Certificate Authority and/or confirmation can be made by contacting the Certificate Authority. In this way, confidence to use the public and private keys of the device and the Authorizing Institute for encryption is achieved, and …
Read the whole patent
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 October 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 2022.
- 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.