Hitoshi Kokumai

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Graphs talk the nature of biometrics

kRWos.pngDED<br />
<br />
RDaDHP<br />
BOP v6<br />
mec Ne<br />
<br />
gr |ar<br />
<br />
Generating High-<br />
Entropy Password like<br />
<br />
xtyax9d4294dlelEYVz<br />
wo/gadieowUx093/x7<br />
?lwble84x09xloPxLxeo<br />
dtyYDidex&&xeigo@y...

Biometrics is 'probabilistic' by nature since it measures unpredictably variable body features of living animals in ever changing environments.

– FAR and FRR are not the variables that are independent from each other, but are dependent on each other

– the lower a FAR is, the higher the corresponding FRR is.  The lower a FRR, the higher the corresponding FAR.

--when a FAR is close to 0 (zero), the corresponding FRR remains close to 1 (one).  When an FRR is close to 0 (zero), the corresponding FAR remains close to 1 (one).

– The presence of False Rejection, however close to 0 (zero), would require a fallback means against the False Rejection.

As for the consequences of being dependent on fallback measures, please refer to “Biometrics is to Password what Back door is to Front door”

kCvKF.png“Expanded Password System<br />
<br />
wane = Only I can select all of<br />
BS] them correctly<br />
<br />
Broader choices with both images and characters accepted<br />
<br />
i<br />
<br />
 <br />
<br />
 <br />
<br />
 <br />
<br />
 <br />
<br />
Easy to manage relenons between accounts and corresponding passwords.<br />
<br />
&<br />
<br />
Torturous login is history. Login is now comfortable, relaxing and healing<br />
<br />
BO<br />
250<br />
08

Incidentally, the public should have learned the above from biometrics vendors and security professionals who tout biometrics, before hearing from us.

3Tsnk.pngDistracted “A

Key References 

What these 2 graphs tell us about biometrics 

  “What we need to do for NOT achieving Solid Digital Identity”

Removal of Passwords and Its Security Effect 

Negative Security Effect of Biometrics Deployed in Cyberspace

External Body Features Viewed as ‘What We Are’

8bb927ea.pngWorry about a backdoor?


Additional References
 

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

Account Recovery with Expanded Password System 

 History, Current Status and Future Scenarios of Expanded Password System 

Availability-First Approach 

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

kwP3E.jpegFRR (False Rejection Rages)<br />
<br />
 <br />
<br />
False Acceptance Rates and False Rejection Rates<br />
<br />
 <br />
<br />
10<br />
<br />
10%<br />
<br />
10°<br />
<br />
    <br />
    <br />
<br />
38 (Equa ror Rates)<br />
<br />
procucts<br />
(more accurate)<br />
<br />
  <br />
<br />
 <br />
 <br />
<br />
00 100 ar 100 10<br />
FAR (Fale Accegtarce Rates)


 

 < 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

CV9X2.png
 


 

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