NAME

       gnutls_x509_crt_check_issuer - API function

SYNOPSIS

       #include <gnutls/x509.h>

       unsigned gnutls_x509_crt_check_issuer(gnutls_x509_crt_t cert, gnutls_x509_crt_t issuer);

ARGUMENTS

       gnutls_x509_crt_t cert
                   is the certificate to be checked

       gnutls_x509_crt_t issuer
                   is the certificate of a possible issuer

DESCRIPTION

       This  function  will  check  if  the  given certificate was issued by the given issuer. It
       checks the DN fields and the authority key identifier and subject  key  identifier  fields
       match.

       If the same certificate is provided at the  cert and  issuer fields, it will check whether
       the certificate is self-signed.

RETURNS

       It will return true (1) if the given certificate is issued by the given issuer, and  false
       (0) if not.

REPORTING BUGS

       Report bugs to <bugs@gnutls.org>.
       Home page: http://www.gnutls.org

COPYRIGHT

       Copyright © 2001-2022 Free Software Foundation, Inc., and others.
       Copying  and distribution of this file, with or without modification, are permitted in any
       medium without royalty provided the copyright notice and this notice are preserved.

SEE ALSO

       The  full  documentation  for  gnutls  is  maintained  as  a  Texinfo  manual.    If   the
       /usr/share/doc/gnutls/ directory does not contain the HTML form visit

       http://www.gnutls.org/manual/