Unfounded Criticism of Expanded Password System

Hitoshi Kokumai
1 min readSep 19, 2023

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Since we announced the formation of a team with the top brand of quantum resistant cryptography (*1), I sense the noticeable increase in the cases of unfounded criticism on our proposition of Expanded Password System.

*1 “Cyber Leaders Join Forces to Protect Digital Identities and Data at Risk” https://usnavyseals.einnews.com/pr_news/644965697/cyber-leaders-join-forces-to-protect-digital-identities-and-data-at-risk

We see no criticism on the core theory of Expanded Password System but see a lot in its peripheral zone which might look easier to criticise or throw slurs at. The unfounded criticism of Expanded Password System or Image-based login in general might well be circulating rampantly where I am not there. Hence a recent post of attempting proactive defense (*2).

*2 ‘Mnemonic’ identity solutions and Shoulder Surfing (14Sep2023) https://www.linkedin.com/posts/hitoshikokumai_identity-authentication-password-activity-7107940453974474755-Pgck

Another unfounded criticism, which had hung around over two decades (*3), seems to have intensified recently as well.

*3 “Entropy of Image-based Password” (27Apr2023) https://www.linkedin.com/posts/hitoshikokumai_identity-authentication-password-activity-7057219727273693185-Mpgq

Well, besides the unfounded criticism on mathematical strength and shoulder surfing that were busted in the above, haven’t you heard anything else?

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Hitoshi Kokumai

Advocate of ‘Identity Assurance by Our Own Volition and Memory’, Inventor of Expanded Password System and Founder of Mnemonic Identity Solutions Limited in UK.