[Cryptography] Solving Matt's hash problem

Tom Mitchell mitch at niftyegg.com
Tue Nov 15 02:37:34 EST 2022

On Mon, Nov 14, 2022 at 5:52 PM John Levine <johnl at iecc.com> wrote:
> In Matt Levine's long article about cryptocurrencies, he describes in
> accurate detail how hashing works, and mentions in an aside that he
> cannot include the hash of the article in the article itself, you (the
> reader) figure out why.
> I know this is a preimage problem, but is there anything about making
> the hash itself part of the input that would make it harder or easier
> to solve?

Making the hash part of the input is essentially a "chicken or the egg" problem.


          T o m    M i t c h e l l  (on NiftyEgg[.]com )

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