On Thu, Aug 31, 2006, [EMAIL PROTECTED] wrote:
>
> Hi,
> I am working on CRL validation. I am using openssl 0.9.8b.
>
> QUESTION: How to retrive the CDP for Delta CRL?
>
> Procedure:
> Delta CRLDP is a bit messy because it isn't yet supported by OpenSSL
> directly.
> However you can add the OID manually using OBJ_create() and alias the
> extension to CRLDP and retrieve it that way.
>
> Could you please elaborate the same?
>
Well something like this...
First you need to create an OID for Delta CRLDP:
int nid;
nid = OBJ_create("2.5.29.46", "DCRLDP", "Dela CRL Distribution Point");
X509V3_EXT_add_alias(nid, NID_crl_distribution_points);
After that you can use the X509_CRL_get_ext_d2i() using "nid" and it should be
parsed OK.
Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
Funding needed! Details on homepage.
Homepage: http://www.drh-consultancy.demon.co.uk
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