On Wed, Jun 30, 2010, Mag wrote:

> Thanks for the various replies.
> 
> On Wed, Jun 30, 2010 at 4:26 AM, Dr. Stephen Henson <st...@openssl.org> wrote:
> > If you want an extension then you need to make use of the mini-ASN1 compiler
> > to add the appropriate fields.
> >
> > Note that if you add a new OID name in this way it only affects that 
> > instance
> > of OpenSSL: other applications and other instances of OpenSSL will still
> > display the numeric version of the OID and they wont display the fields of
> > an extension as they don't know how to parse and display it.
> 
> Yes, I should've clarified this originally, I want to add extensions a
> la the "Extensions" type. I did try out the form of adding new OIDs to
> the distinguished name(s) and that seems to work ok, but can you
> elaborate on what you mean by using the mini-ASN.1 compiler to support
> new OIDs?
> 
> As far as I can tell this refers to either generating an ASN.1
> encoding via the "asn1parse -genstr ..." or the ASN1_gen_nconf()
> function. How are those intended to be integrated in creation of a
> certificate? Does this require programmatically constructing the
> certificates?

See:

http://www.openssl.org/docs/apps/x509v3_config.html#ARBITRARY_EXTENSIONS

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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