Hitoshi Kokumai

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Wide choice of secret credentials

Wide choice of secret credentials2 Channel Expanded Password System

We could opt to continue to use the remembered passwords as before, although the memory ceiling is very low. Most of us can manage only up to several of them.

We could opt to recognize the pictures remembered in stories where we want to reduce a burden of textual passwords. The memory ceiling is high, that is, we would be able to manage more and more of them.

Where we opt to make use of episodic image memory, we would only need to recognize the known and hard-to-forget images. There is virtually no memory ceiling, that is, we would be able to manage as many passwords as we like, without any extra efforts.


If only textand # are OK |3UV B99 KUW<br />
<br />
 <br />
<br />
to memorize 10 lighten the load of to make use of<br />
text/number passwords text passwords memorized images<br />
<br />
{Text Mode] {Graphics Mode] (Original Picture Mode]<br />
Recall the remembered Recognize the pictures Recognize the unforgettable<br />
password remembered in stories pictures of episodic memories |<br />
012345 @ 0% 8 sROaw<br />
crreas YE<br />
CDEFGH 8 4 &<br />
<br />
nr HER<br />
<br />
OPQRST<br />
<br />
UvwXxYz ICR WA<br />
Low memory ceiling High memory ceiling Very high memory ceiling<br />
<br />
Think of all those ladders you have to cmb in Donkey Kong ;-)


Key References 

Impact of Episodic Memory on Digital Identity

Summary and Brief History - 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

Account Recovery with Expanded Password System

Proposition on How to Build Sustainable Digital Identity Platform


If only textand # are OK |3UV B99 KUW<br />
<br />
 <br />
<br />
to memorize 10 lighten the load of to make use of<br />
text/number passwords text passwords memorized images<br />
<br />
{Text Mode] {Graphics Mode] (Original Picture Mode]<br />
Recall the remembered Recognize the pictures Recognize the unforgettable<br />
password remembered in stories pictures of episodic memories |<br />
012345 @ 0% 8 sROaw<br />
crreas YE<br />
CDEFGH 8 4 &<br />
<br />
nr HER<br />
<br />
OPQRST<br />
<br />
UvwXxYz ICR WA<br />
Low memory ceiling High memory ceiling Very high memory ceiling<br />
<br />
Think of all those ladders you have to cmb in Donkey Kong ;-)


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 

93c03b20.png“Expanded Password System<br />
<br />
Bans & Only I can select all of<br />
BL] 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 10 manage reletons between accounts and corresponding passwords.<br />
<br />
&<br />
<br />
Torturous login is hstory. Login is now comfortable, relaxing and heaing<br />
<br />
SRO<br />
250<br />
8

 < 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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