SSL_SESSION_get_time() returns the time at which the session s was established. The time is given in seconds since the Epoch and therefore compatible to the time delivered by the time() call.SSL_SESSION_set_time() replaces the creation time of the session s with the chosen value tm.
SSL_SESSION_get_timeout() returns the timeout value set for session s in seconds.
SSL_SESSION_set_timeout() sets the timeout value for session s in seconds to tm.
The SSL_get_time(), SSL_set_time(), SSL_get_timeout(), and SSL_set_timeout() functions are synonyms for the SSL_SESSION_*() counterparts.