A privacy-enhanced e-passport authentication protocol
CA 2606574 C · Owner: Certicom Corp. · Inventors: Vanstone, Scott A.; Brown, Daniel R.L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A passport authentication protocol provides for encryption of sensitive data such as biometric data and transfer of the encryption key from the passport to the authentication authority to permit comparison to a reference value A cryptographic linkage is created by digitally signing identity data and biometric data of an individual An elliptic curve cryptosystem is proposed whereby a message is divided into a primary part (Ml) comprising confidential and sensitive information (biometric data) and a secondary part (M2) , comprising publicly available information Ml is encrypted using a session encryption key, combined with M2 and then hashed using a secure hash function and …
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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 May 23, 2006 and granted November 24, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 23, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.