gnutls_x509_crt_check_key_purpose(3) — Linux manual page



NAME         top

       gnutls_x509_crt_check_key_purpose - API function

SYNOPSIS         top

       #include <gnutls/x509.h>

       unsigned gnutls_x509_crt_check_key_purpose(gnutls_x509_crt_t cert,
       const char * purpose, unsigned flags);

ARGUMENTS         top

       gnutls_x509_crt_t cert
                   should contain a gnutls_x509_crt_t type

       const char * purpose
                   a key purpose OID (e.g., GNUTLS_KP_CODE_SIGNING)

       unsigned flags
                   zero or GNUTLS_KP_FLAG_DISALLOW_ANY

DESCRIPTION         top

       This function will check whether the given certificate matches the
       provided key purpose. If  flags contains GNUTLS_KP_FLAG_ALLOW_ANY
       then it a certificate marked for any purpose will not match.

RETURNS         top

       zero if the key purpose doesn't match, and non-zero otherwise.

SINCE         top


REPORTING BUGS         top

       Report bugs to <>.
       Home page:

COPYRIGHT         top

       Copyright © 2001-2019 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         top

       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 

COLOPHON         top

       This page is part of the GnuTLS (GnuTLS Transport Layer Security
       Library) project.  Information about the project can be found at 
       ⟨⟩.  If you have a bug report for this manual
       page, send it to  This page was obtained from the
       tarball gnutls-3.6.9.tar.xz fetched from
       ⟨⟩ on 2020-09-18.  If you discover
       any rendering problems in this HTML version of the page, or you
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gnutls                              3.6.9gnutls_x509_crt_check_key_purpose(3)