[Cryptography] Christmas challenge greetings

Natanael natanael.l at gmail.com
Wed Dec 22 17:19:53 EST 2021

Den ons 22 dec. 2021 23:10Phillip Hallam-Baker <phill at hallambaker.com>

> The following three pieces of data suddenly came together in my mind:
> 1) An IPv6 Address is 128 bits.
> 2) IPv6 headers all have to and from addresses but from field is redundant
> most of the time so there are 256 bits of addressing.
> 3) Curve25519 public keys fit in 255 bits.
> So who can propose the most outrageous proposal that makes use of these
> three facts?

I think it's been done already, although not in precisely the way I believe
you are thinking of

"GitHub - cjdelisle/cjdns: An encrypted IPv6 network using public-key
cryptography for address allocation and a distributed hash table for

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