gnutls_pkcs7_get_embedded_data — API function


#include <gnutls/pkcs7.h>

int gnutls_pkcs7_get_embedded_data(gnutls_pkcs7_t pkcs7, unsigned flags, gnutls_datum_t * data);


gnutls_pkcs7_t pkcs7

should contain a gnutls_pkcs7_t type

unsigned flags

must be zero or GNUTLS_PKCS7_EDATA_GET_RAW

gnutls_datum_t * data

will hold the embedded data in the provided structure


This function will return the data embedded in the signature of the PKCS7 structure. If no data are available then GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.

The returned data must be de-allocated using gnutls_free().

Note, that this function returns the exact same data that are authenticated. If the GNUTLS_PKCS7_EDATA_GET_RAW flag is provided, the returned data will be including the wrapping tag/value as they are encoded in the structure.


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



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3.6.9 gnutls