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gnutls_x509_crt_get_extension_data2(3) — Linux manual page

gnutls_x509_c...xtension_data2(3) gnutlsgnutls_x509_c...xtension_data2(3)

NAME        top

       gnutls_x509_crt_get_extension_data2 - API function

SYNOPSIS        top

#include <gnutls/x509.h>int gnutls_x509_crt_get_extension_data2(gnutls_x509_crt_tcert,unsignedindx, gnutls_datum_t *data);

ARGUMENTS        top

       gnutls_x509_crt_t cert                   should contain agnutls_x509_crt_ttype       unsigned indx                   Specifies which extension OID to read. Use (0) to get                   the first one.       gnutls_datum_t * data                   will contain the extension DER-encoded data

DESCRIPTION        top

       This function will return the requested by the index extension       data in the certificate.  The extension data will be allocated       usinggnutls_malloc().       Usegnutls_x509_crt_get_extension_info()to extract the OID.

RETURNS        top

       On success,GNUTLS_E_SUCCESS(0) is returned, otherwise a negative       error code is returned.  If you have reached the last extension       availableGNUTLS_E_REQUESTED_DATA_NOT_AVAILABLEwill be returned.

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...xtension_data2(3)

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