gnutls_x509_crq_get_key_purpose_oid man page

gnutls_x509_crq_get_key_purpose_oid — API function


#include <gnutls/x509.h>

int gnutls_x509_crq_get_key_purpose_oid(gnutls_x509_crq_t crq, unsigned indx, void * oid, size_t * sizeof_oid, unsigned int * critical);


gnutls_x509_crq_t crq
should contain a gnutls_x509_crq_t type
unsigned indx
This specifies which OID to return, use (0) to get the first one
void * oid
a pointer to store the OID (may be NULL)
size_t * sizeof_oid
initially holds the size of oid
unsigned int * critical
output variable with critical flag, may be NULL.


This function will extract the key purpose OIDs of the Certificate specified by the given index. These are stored in the Extended Key Usage extension ( See the GNUTLS_KP_* definitions for human readable names.


GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough, and in that case the * sizeof_oid will be updated with the required size. On success 0 is returned.



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See Also

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gnutls 3.5.4