GnuPG - signed Telefax communication

Стефан Васильев stefan.vasilev at
Fri Jan 14 23:32:49 CET 2022

Stuart Longland wrote:

> On Fri, 14 Jan 2022 20:50:57 +0000
> Стефан Васильев <stefan.vasilev at> wrote:

>> Would you like to explain a bit such schemes? I am aware, for example,
>> that GnuPG on a mini offline laptop can beat *all* smartphone crypto
>> messenger, when it comes to endpoint security, when used with a dumb
>> phone with a USB port and while sending GnuPG MMS messages. All
>> users need for that is a software from GitHub, which can convert GnuPG
>> messages to .png images and back. Simply search there for 'imgify'.
> is one such scheme, intended for
> making a private key back-up.  It could probably be adapted to store
> arbitrary data.
> There may be others, I just can't put my finger on them now.

Ah ok, you referred to encoding key material.

I just did a quick look and found this, which I may explore a little.


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