In your previous mail you wrote:

>  Currently a number of validators don't do ECC, because of the openssl
>  library from the distribution they are using doesn't include support.
>  This makes ECC an unsupported algorithm, and so it "fails open" (See
>  RFC4035, Section 5.2, around "If the validator does not support any of
>  the algorithms"...). Geoff also has a good blog post
>  (http://labs.apnic.net/blabs/?p=544) and presentations at various places
>  (e.g: https://ripe69.ripe.net/presentations/135-18-2014-11-01-ecc.pptx).

=> This very unfortunate fact is IMHO the major (and perhaps only) issue
to solve before deploying ECDSA (and solve the RSA/SHA-1 vs RSA/SHA-2
question).

>  I suggest that folk whose ssl libraries don't support ECC should
>  figure out why (see http://tools.ietf.org/html/rfc6090 and also
>  Geoff's blog post for some background) and then recompile with
>  support[0].

=> I can't say more.

Thanks

francis.dup...@fdupont.fr

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