gnutls_x509_crt_check_issuer(3)     gnutls     gnutls_x509_crt_check_issuer(3)

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: https://www.gnutls.org


COPYRIGHT
       Copyright (C) 2001-2023 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

       https://www.gnutls.org/manual/

gnutls                               3.8.5     gnutls_x509_crt_check_issuer(3)