gnutls_dtls_cookie_verify(3) gnutls gnutls_dtls_cookie_verify(3)

gnutls_dtls_cookie_verify - API function

#include <gnutls/dtls.h>

int gnutls_dtls_cookie_verify(gnutls_datum_t * key, void * client_data, size_t client_data_size, void * _msg, size_t msg_size, gnutls_dtls_prestate_st * prestate);

is a random key to be used at cookie generation
contains data identifying the client (i.e. address)
The size of client's data
An incoming message that initiates a connection.
The size of the message.
The cookie of this client.

This function will verify the received message for a valid cookie. If a valid cookie is returned then it should be associated with the session using gnutls_dtls_prestate_set();

This function must be called after gnutls_dtls_cookie_send().

GNUTLS_E_SUCCESS (0) on success, or a negative error code.


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3.8.5 gnutls