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   gnutls_x509_crt_get_key_purpose_oid    ( 3 )

Функции API (API function)

Имя (Name)

gnutls_x509_crt_get_key_purpose_oid - API function


Синопсис (Synopsis)

#include <gnutls/x509.h>

int gnutls_x509_crt_get_key_purpose_oid(gnutls_x509_crt_t cert, unsigned indx, void * oid, size_t * oid_size, unsigned int * critical);


Аргументы (Arguments)

gnutls_x509_crt_t cert should contain a gnutls_x509_crt_t type

unsigned indx This specifies which OID to return. Use (0) to get the first one.

void * oid a pointer to a buffer to hold the OID (may be null)

size_t * oid_size initially holds the size of oid

unsigned int * critical output flag to indicate criticality of extension


Описание (Description)

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 (2.5.29.37) See the GNUTLS_KP_* definitions for human readable names.

If oid is null then only the size will be filled. The oid returned will be null terminated, although oid_size will not account for the trailing null.


Возвращаемое значение (Return value)

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


Сообщение об ошибках (Reporting bugs)

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


Смотри также (See also)

The 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/