gnutls_x509_crq_get_attribute_by_oid - Man Page

API function


#include <gnutls/x509.h>

int gnutls_x509_crq_get_attribute_by_oid(gnutls_x509_crq_t crq, const char * oid, unsigned indx, void * buf, size_t * buf_size);


gnutls_x509_crq_t crq

should contain a gnutls_x509_crq_t type

const char * oid

holds an Object Identifier in null-terminated string

unsigned indx

In case multiple same OIDs exist in the attribute list, this specifies which to get, use (0) to get the first one

void * buf

a pointer to a structure to hold the attribute data (may be NULL)

size_t * buf_size

initially holds the size of  buf


This function will return the attribute in the certificate request specified by the given Object ID.  The attribute will be DER encoded.

Attributes in a certificate request is an optional set of data appended to the request. Their interpretation depends on the CA policy.


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

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3.8.3 gnutls