[tech] Zero-width characters and tracking via pasted text
stephane at sources.org
Sun Mar 14 17:41:23 GMT 2021
On Sun, Mar 14, 2021 at 04:12:12PM +0000,
nervuri <nervuri at disroot.org> wrote
a message of 34 lines which said:
> This subtle form of tracking would work just as well on Gemini as it
> does on the web.
This is technically interesting but do you suggest that Gemini be
modified in one way or the other, to limit the risks? And, if so, how?
As you note in <gemini://rawtext.club/~nervuri/stega.gmi>, it can
perfectly be done without zero-width characters. A trivial way is to
encode the hidden information in a number of ordinary spaces at the
end of each line.
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