Hitoshi Kokumai

Kokumai

Identity Assurance – Sufficient and Necessary Conditions

Identity Assurance It is not easy to define the ‘sufficient condition’ for describing a set of processes used to establish that a natural person is real, unique, and identifiable; criminals keep coming up with hitherto unknown weapons to compromise the

Kokumai

How to Enhance Security of Digital Identity

Enhance Security of Digital Identity Introduction The subject of this article is a fragile digital identity built with a weak password, which makes a grave choke point of the cyber age. The word ‘password’ is poly-semantic and context-dependent. Sometimes it’s

Kokumai

History, Current Status and Future Scenarios of Expanded Password System

Future Scenarios of Expanded Password System Passwords are so hard to manage that some people are urging the removal of passwords from digital identity altogether. What would happen, then, if the password is removed from our identity assurance? Where the password

Kokumai

Four Puzzling Issues of Identity Authentication – Part 2

Caveats about ‘Password’ Continued from Part 1… Sometimes the word ‘Password’ is narrowly interpreted as ‘remembered text password’ and sometimes it’s taken broadly as ‘whatever we remember for authentication’. We are of the view that it would be desirable to

Kokumai

Four Puzzling Issues of Identity Authentication

Four Puzzling Issues of Identity Authentication – Takeaways from Consumer Identity World USA 2018 – Introduction The so-called password-less authentication, if implemented literally, would lead us to a world where we are deprived of the chances and means to get

Kokumai

Part 2 – Identity Assurance by Our Own Volition and Memory

Identity Assurance We believe that the reliable identity assurance (See part 1) must be built on three prerequisite principles as follows. Volition of the User – with Self-Determination, Identity authentication with no confirmation of the user’s volition would lead to

Kokumai

Part 1 – Identity Assurance by Our Own Volition and Memory

In an earlier article we discussed what technology can displace the password. The proposition of Expanded Password System (EPS) that we advocate is now acknowledged as a ‘Draft Proposal’ for OASIS Open Projects that OASIS has recently launched as a

Kokumai

The ID Federation: What Technology Can Displace The Password?

The Future Password Many people shout that the password is dead or should be killed dead. The password could be killed, however, only when there is an alternative to the password. Let us think about what technology can displace the password. Some