Identity-based key generating methods and devices
CA 2593414 C · Owner: Beijing E-Henxen Authentication Technologies, Co. Ltd. · Inventors: Chen, Zhong; Nan, Xianghao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and device for generating public key and private key in the antisymmetrical , secret key pair based on the user identifier. The secret key management center generates the public/private key-computing basis and discloses the public keycomputing , basis. Based on the identifier provided by the user the user's private key is , computed , and supplied to the user. Any user can compute the other user's public key based on the , identifier of the other user and the issued public key-computing basis. In this way, the , public key of partner with which communicated is obtained without the certification from , the third party CA and without maintaining the parameters associated with a …
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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 January 13, 2006 and granted December 16, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 13, 2026.
- 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.