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gnutls_x509_crq_get_extension_by_oid2(3) — Linux manual page

gnutls_x509_c...ension_by_oid2(3) gnutlsgnutls_x509_c...ension_by_oid2(3)

NAME        top

       gnutls_x509_crq_get_extension_by_oid2 - API function

SYNOPSIS        top

#include <gnutls/x509.h>int gnutls_x509_crq_get_extension_by_oid2(gnutls_x509_crq_tcrq,const char *oid, unsignedindx, gnutls_datum_t *output, unsignedint *critical);

ARGUMENTS        top

       gnutls_x509_crq_t crq                   should contain agnutls_x509_crq_ttype       const char * oid                   holds an Object Identifier in a null terminated string       unsigned indx                   In case multiple same OIDs exist in the extensions,                   this specifies which to get. Use (0) to get the first                   one.       gnutls_datum_t * output                   will hold the allocated extension data       unsigned int * critical                   will be non-zero if the extension is marked as                   critical

DESCRIPTION        top

       This function will return the extension specified by the OID in       the certificate.  The extensions will be returned as binary data       DER encoded, in the provided buffer.

RETURNS        top

       On success,GNUTLS_E_SUCCESS(0) is returned, otherwise a negative       error code in case of an error.  If the certificate does not       contain the specified extensionGNUTLS_E_REQUESTED_DATA_NOT_AVAILABLEwill be returned.

SINCE        top

       3.3.8

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_oid2(3)

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