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On-the-fly regeneration of cryptographic keys made feasible by our episodic memory

Hitoshi Kokumai · Expanded Password System, that provides ‘wide choice of secret credentials’ and enables us to intuitively manage ‘correspondence between accounts and passwords’, makes it easily practicable to get cryptographic keys re-generated on-the-fly from what we had firmly remembered as ep ...


Wide choice of secret credentials

Hitoshi Kokumai · 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. Th ...


Which passwords correspond to which accounts?

Hitoshi Kokumai · Being able to recall strong passwords is one thing. Being able to recall the correspondence between accounts and passwords is another. · When different sets of images are allocated to different accounts, those unique image matrices will be telling you which images you should pic ...


Get the password removed and we’ll see something very nice

Hitoshi Kokumai · It would be true if this remark were uttered by bad guys; the passwordless identity security is indeed very favourable to them, though not to good citizens. · Removal of the password benefits bad guys in two ways – The lowered security is directly beneficial to criminals. On top ...


Get Away from Dichotomy on Issues of Ethics

Hitoshi Kokumai · I would like to differentiate (1) people who use weak authentication solutions and (2) those who gain quick money by promoting weak authentication products alleging that they are promoting security-enhancing solutions. · The latter (2) that end up with spreading a false sense of ...


What’s behind ever more insecure cyberspace?

Hitoshi Kokumai · "Why are we here and what to do about it?"  · https://www.linkedin.com/pulse/why-we-here-dr-vladas-leonas-gaicd-facs-fieaust/ · In this article Dr Vladas Leonas talks about 11 major causes of cyber insecurity. · I would like to add another element - There are quite a few securi ...


Do what you can’t do and you will be safe

Hitoshi Kokumai · Hacked home cams used to livestream police raids in swatting attacks ·  https://www.bbc.com/news/technology-55499164  - "As a consequence, the FBI has advised smart device owners to ensure they provide a different complex passcode to each online service they use." · This is the f ...

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