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Canadian application, no grantCanada

Secure method and system for biometric verification

CA 2351868 A1 · Owner: Johnson, Harold · Inventors: Main, Alec; Johnson, Harold

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Mass data (the contents of arrays, large data structures linked data , structures and, similar data structures stored in memory) are common targets for attack. The invention presents a method and system of protecting mass data by mapping virtual, addresses onto randomly or pseudo-randomly selected actual addresses. This mapping distributes data values throughout the memory so an attacker cannot locate, the data he is seeking, or identify patterns which might allow him to obtain information about his target (such as how the software operates encryption , keys, biometric data or passwords stored therein or algorithms it uses). Additional , layers of protection are described, as well as …

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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 June 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 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.
FiledJune 28, 2001
GrantedNo grant recorded
Term endedJune 28, 2021
Patent numberCA 2351868 A1
Classification (IPC)G06F21/14 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedJune 28, 2001Term endedJune 28, 2021

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.