On Wed, Sep 12, 2007 at 09:45:07PM -0700, Rodney Thayer wrote:

> > Anyway, it certainly does if you setup the connection, and then wrap
> > OpenSSL around an existing network connection. Not sure which release
> > is need for support for making V6 connections from OpenSSL itself.
> > 
> 
> the issues I know of are:
> 
>   does the v6 subjectaltname field parse properly

The CHANGELOG for 0.9.8 includes:

  *) IPv6 support for certificate extensions. The various extensions
     which use the IP:a.b.c.d can now take IPv6 addresses using the
     formats of RFC1884 2.2 . IPv6 addresses are now also displayed
     correctly.
     [Steve Henson]

>   do implementations do the dns reverse lookup thing

No, obtaining the correct peer name to check in certificates is the
responsibility of the application, not the library.

>   can you buy a certificate from a retail certificate authority

Not an OpenSSL question.

> and then of course there would be the question of whether the underlying
> protocol stack sufficiently supported the BIO code and all that.

For established connections, the BIO layer does not care whether the
socket is V4 or V6 or even a socket for that matter.

-- 
        Viktor.
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