[gnutls-help] Detect whether certificate is self-signed

[Ted Zlatanov]

On Sun, 21 Dec 2014 18:19:38 +0100 David Engster <deng at randomsample.de> wrote: 

DE> Nikos Mavrogiannopoulos writes:

>> Said that, the easiest way to check for a self-signed certificate is
>> using gnutls_x509_crt_check_issuer() against itself.

DE> ...that's way simpler. :-)

Could this be abstracted into a function so, if GnuTLS implements it
differently in the future (following the RFC or something else), clients
don't have to be changed?  It seems to be fairly useful.

Thanks
Ted