Hitoshi Kokumai

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Quantum Computing and Identity Assurance

lyps3.jpegThe lock authenticates the key.<br />
The key authenticates the lock.<br />
<br />
  <br />
<br />
Does the key authenticate<br />
the person who holds it?

Bad guys, who have a quantum computer at hand, would still have to break the part of user authentication that is not dependent on the public-key scheme, prior to accessing the target data, in the normal environment where secret credentials play a big role; quite a few cryptography-obsessed security people are often indifferent to this simple and plain observation.

Whether quantum computing makes a quick progress as anticipated or not, the solid digital identity with secret credentials will remain critical 

This is a follow-up of my earlier post “Threat Bigger than Quantum Computer” 

w900b.pngSecret Credenti<br />
<br />
 <br />
   <br />
 <br />
<br />
Memories<br />
<br />
Episodic Memory

Key References 
 

Archive 2021— Comments Posted since January 2021 on Digital Identity and Threats to It

Account Recovery with Expanded Password System

For Achieving Solid Digital Identity on Information Security Buzz (Mar/2021)

What We Know for Certain about Authentication Factors

Digital Identity for Global Citizens

Image-to-Code Conversion by Expanded Password System

Summary and Brief History - Expanded Password System

Proposition on How to Build Sustainable Digital Identity Platform

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Additional References


Removal of Passwords and Its Security Effect
Negative Security Effect of Biometrics Deployed in Cyberspace

External Body Features Viewed as ‘What We Are’

 History, Current Status and Future Scenarios of Expanded Password System

Availability-First Approach

Update: Questions and Answers - Expanded Password System and Related Issues 

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 < Videos on YouTube>

Slide: Outline of Expanded Password System (3minutes 2seconds)

Digital Identity for Global Citizens (10minutes - narrated)

Demo: Simplified Operation on Smartphone for consumers (1m41s)

Demo: High-Security Operation on PC for managers (4m28s)

Demo: Simple capture and registration of pictures by users (1m26s)

Slide: Biometrics in Cyber Space - "below-one" factor authentication

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#identity #authentication #password #security #biometrics #privacy #democracy #ethics #emergency #disaster #panic #defense #government #pandemic #teleworking #blockchain

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