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[Sks-devel] about ECC and collisions
From: |
Jean-Jacques Brucker |
Subject: |
[Sks-devel] about ECC and collisions |
Date: |
Mon, 4 Apr 2011 12:40:26 +0200 |
User-agent: |
KMail/1.12.4 (Linux/2.6.31.14-server-1mnb; KDE/4.3.5; i686; ; ) |
I have 3 questions :
1- As ECC crypto is soon available in gnupg, I am asking if sks key servers
won't have problems managing them.
(That is a great feature I am waiting for to use gpg with signing chains)
But the ECC curves are smaller than RSA or DSA keys, full collisions have more
chances* to occurs (especially for NIST P-256).
(*note: maybe more that asteroid-human collisions :-) ).
2- I like to know how sks key servers manage 2 identical keys inside different
certificates.
Is a warning sent to the owners of the same key ?
3- When key ID collision occurs how to differentiate them with gnupg ? Is there
a way to get only one of them from key servers (eg. for key ID A56E15A3, sorry
if it's maybe not the place to ask that question).
N.B.: I am trying to fill some bitcoin defects (main improvement is IMHO to be
human-based instead of cpu-based : http://www.open-udc.org, technical
suggestions are welcome).
Regards,
--
Jean-Jacques B.
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