gnutls_x509_crq_get_extension_by_oid - Online Linux Manual PageSection : 3
Updated : 3.7.3
Source : gnutls
Note : gnutls

NAMEgnutls_x509_crq_get_extension_by_oid − API function

SYNOPSIS#include <gnutls/x509.h> int gnutls_x509_crq_get_extension_by_oid(gnutls_x509_crq_t crq, const char * oid, unsigned indx, void * buf, size_t * buf_size, unsigned int * critical);

ARGUMENTSgnutls_x509_crq_t crq should contain a gnutls_x509_crq_t type 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. void * buf a pointer to a structure to hold the name (may be null) size_t * buf_size initially holds the size of buf unsigned int * critical will be non−zero if the extension is marked as critical

DESCRIPTIONThis 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.

RETURNSOn 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 extension GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.

SINCE2.8.0

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

COPYRIGHTCopyright © 2001- 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 ALSOThe 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/ 
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