Authentication device and/or method
CA 2591968 C · Owner: Hewitt, Simon Charles Hughes · Inventors: Lenon, James Evan; Hewitt, Simon Charles Hughes; Bender, Jason Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of authenticating a remote service (104) to a user (102) via a communications network (106) is disclosed. The remote service (104) obtains a service authentication code that has been generated using a code generation , algorithm, based on a first secret key. The service authentication code is communicated to the user (102) via the communications network (106) and received, or entered, into an authentication device (106) associated with the user (102). The authentication device (106) then generates using the same , code generation algorithm an expected code value based on a second secret key and compares the expected code value to the service authentication code. Responsive …
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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 21, 2005 and granted February 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 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.