[gnutls-devel] gnutls_x509_dn_get_rdn_ava and sequences

Kurt Roeckx kurt at roeckx.be
Fri Jan 24 18:31:39 CET 2014

On Fri, Jan 24, 2014 at 10:16:38AM +0100, Nikos Mavrogiannopoulos wrote:
> On Fri, Jan 24, 2014 at 9:18 AM, Kurt Roeckx <kurt at roeckx.be> wrote:
> >> > But I'm little confused why gnutls is showing me the data like that.
> >> > I was expecting to just get a type 12 (UTF8String) from the
> >> > gnutls_x509_dn_get_rdn_ava() since it says it's supposed to model
> >> > the sequence of sequences.
> >> It models the sequence of sequences in the DN itself, not any possible
> >> sequence within the individual fields. The postalAddress field as you
> >> notice is a sequence as well. That's why you see that difference and
> >> that's the reason it is not being decoded by default.
> > So are there some functions I can use that to go over that
> > sequence, or do I need to write my own parser?
> You can decode it using libtasn1 or even a custom parser. If you do a
> patch for gnutls to decode it would also be appreciated.

What did you have in mind for patching in gnutls?  That certtool
can handle it?  That there is an API other than using libtasn1 to
do it?


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