hashed user IDs redux [was: Re: Creating a key bearing no user ID]

Robert J. Hansen rjh at sixdemonbag.org
Sat Jan 28 16:00:09 CET 2012

On 1/28/2012 7:25 AM, MFPA wrote:
> I also want people who already have an email address for me (or
> potentially a name, if not too common) to be able to use that as a
> search string to find my key from a server.

And, as we've said several times, we run into the key enumeration problem.

> To achieve the two simultaneously would need some string in the UID
> that could be found by searching for the email address or name but
> could not be converted back to that search string.

This does not address the key enumeration problem.

MFPA, we've already spent much more time on this issue than I think is
warranted.  Your idea would be nice if it could happen, but it does not
appear to me to be possible.  There is no theoretical understanding of
how to solve the problem and no implementation offered that comes
anywhere near to passing my sniff test.

I can't speak for anyone else, but I'm done.  I will not be addressing
this subject again until such time as things change.

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