[Enigmail] My Bad, Sorry About That

Faramir faramir.cl at gmail.com
Sat Aug 23 02:02:31 PDT 2008


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Robert J. Hansen escribió:
> Faramir wrote:
>> Wait... isn't it the reason why public keys are supposed to be so
>> useful? I mean, the fact each one just need to get 1 key per
>> recipient... if the list has 100 persons, and I join it, I would just
>> need to get 100 public keys, and not to exchange a lot more keys...
...
> And so on, and so on.  This turns into the summation of a simple
> arithmetic series, which in turn gives us the following equation for the
> total number of exchanges needed.  For a mailing list of N people, the
> total number of exchanges is:
> 
>    N^2 - N
>    -------
>       2
> 
> Thus, by the time the list has grown to 100 people, 4950 key exchanges
> have taken place.

  The "natural" numbers summation :o

  Yes, but each person would need to do just 100 "downloads" from a
keyserver... I wonder how many key exchanges have we done in enigmail
and gpg lists, since a lot of people sign their messages... (no need to
give an answer about that).

Best Regards
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