Secure transactions with passive storage media
CA 2410568 A1 · Owner: Lasercard Corporation · Inventors: Sciupac, Louis H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transaction system for use with passive data storage media (12) such as , optical memory cards, uses secure protocols involving digital certificates for communication between a read/write drive (10) and the medium and also for communication between the drive and a host computer (14). The drive is physically secured with tamper resistant features (30 32) and stores (26) , cryptographic keys and firmware for executing the secure protocols. All messages (data or commands) passed (20;0 34 36) between the drive and the , passive medium or host computer not only are encrypted but also include at least one digital certificate (fig. 2) for authenticating the message (figs. 3, 4 & 6). …
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 June 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 2023.
- 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.