int gnutls_pkcs7_get_crt_raw(gnutls_pkcs7_t pkcs7, int indx, void * certificate, size_t * certificate_size);
ARGUMENTS
gnutls_pkcs7_t pkcs7
should contain a gnutls_pkcs7_t structure
int indx
contains the index of the certificate to extract
void * certificate
the contents of the certificate will be copied
there (may be null)
size_t * certificate_size
should hold the size of the certificate
DESCRIPTION
This function will return a certificate of the PKCS7 or RFC2630
certificate set.
After the last certificate has been read
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
RETURNS
On success, GNUTLS_E_SUCCESS is returned, otherwise a
negative error value. If the provided buffer is not long enough,
then certificate_size is updated and
GNUTLS_E_SHORT_MEMORY_BUFFER is returned.