#emergency

1 フォロワー 0 刊行物 · 7 記事
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2年前

Quantum Computing and Identity Assurance

Hitoshi Kokumai · Bad guys, who have a quantum computer at hand, would still have to break the part of user authentication that is not dependent on the public-key scheme, prior to accessing the target data, in the normal environment where secret credentials play a big role; quite a few cryptograph ...

2年前

New Slide - Healthy Second Life of Legacy Password Systems

Hitoshi Kokumai · We’ve come up with a slide presentation for “Bring a healthy second life to your legacy password system” · “We do not have to replace or rebuild the existing text password systems for making use of episodic memory; images of our episodic memory can be turned into a high-entropy c ...

3年前

US Army appears to be scarily misguided

Hitoshi Kokumai · Are you a US citizen? Should it be the case, you could consider talking to the Army or some US watchdog organizations urgently on this matter provided you find the following discussion relevant and compelling. · https://www.defensenews.com/cyber/2020/10/19/us-army-looks-to-use-s ...

3年前

Summary and Brief History - Expanded Password System

Hitoshi Kokumai · ‘Easy-to-Remember’ is one thing. ‘Hard-to-Forget’ is another - The observation that Images are easy to remember has been known for many decades; it is not our theme. ·  What we discuss is that ‘images of our emotion-coloured episodic memory’ is ‘Hard to Forget’ to the extent that ...

3年前

Identity Assurance - Sufficient and Necessary Conditions

Hitoshi Kokumai · 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 said processes. · But we are easily able to d ...

3年前

The password is easy to crack – Are you sure?

Hitoshi Kokumai · Quite a few security professionals say ‘Yes’ very loudly. · We would say that a ‘hard-to-crack’ password is hard to crack and an ‘easy-to-crack’ password is easy to crack, just as strong lions are strong and weak lions are weak; look at the cubs, inured and aged. · However har ...

4年前

‘Easy-to-Remember’ is one thing. ‘Hard-to-Forget’ is another.

Hitoshi Kokumai · Images are easy to remember – This observation has been known for many decades. It is not what we advocate. · What we advocate is that ‘images of our emotion-colored episodic memory’ is ‘Hard to Forget’ to the extent that it is ‘Panic-Proof’. · This feature makes Expanded Passw ...

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