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gnutls_x509_crt_set_extension_by_oid(3) — Linux manual page

gnutls_x509_c...ension_by_oid(3)  gnutlsgnutls_x509_c...ension_by_oid(3)

NAME        top

       gnutls_x509_crt_set_extension_by_oid - API function

SYNOPSIS        top

#include <gnutls/x509.h>int gnutls_x509_crt_set_extension_by_oid(gnutls_x509_crt_tcrt,const char *oid, const void *buf, size_tsizeof_buf, unsignedintcritical);

ARGUMENTS        top

       gnutls_x509_crt_t crt                   a certificate of typegnutls_x509_crt_t       const char * oid                   holds an Object Identifier in null terminated string       const void * buf                   a pointer to a DER encoded data       size_t sizeof_buf                   holds the size ofbuf       unsigned int critical                   should be non-zero if the extension is to be marked as                   critical

DESCRIPTION        top

       This function will set an the extension, by the specified OID, in       the certificate.  The extension data should be binary data DER       encoded.

RETURNS        top

       On success,GNUTLS_E_SUCCESS(0) is returned, otherwise a negative       error value.

REPORTING BUGS        top

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

COPYRIGHT        top

       Copyright © 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        top

       The full documentation forgnutlsis maintained as a Texinfo       manual.  If the /usr/share/doc/gnutls/ directory does not contain       the HTML form visithttps://www.gnutls.org/manual/

COLOPHON        top

       This page is part of theGnuTLS (GnuTLS Transport Layer Security       Library) project.  Information about the project can be found at       ⟨http://www.gnutls.org/⟩.  If you have a bug report for this       manual page, send it to bugs@gnutls.org.  This page was obtained       from the tarball fetched from       ⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11.  If you       discover any rendering problems in this HTML version of the page,       or you believe there is a better or more up-to-date source for the       page, or you have corrections or improvements to the information       in this COLOPHON (which isnot part of the original manual page),       send a mail to man-pages@man7.orggnutls                            3.8.10gnutls_x509_c...ension_by_oid(3)

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