gnutls_dtls_cookie_verify — API function

Synopsis

#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);

Arguments

gnutls_datum_t * key

is a random key to be used at cookie generation

void * client_data

contains data identifying the client (i.e. address)

size_t client_data_size

The size of client's data

void * _msg

An incoming message that initiates a connection.

size_t msg_size

The size of the message.

gnutls_dtls_prestate_st * prestate

The cookie of this client.

Description

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().

Returns

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

Since

3.0

Reporting Bugs

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

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/

Info

3.6.9 gnutls