Method SSL.Cipher.KeyExchange()->got_client_key_exchange()
- Method got_client_key_exchange
 string(8bit)|int(8bit)got_client_key_exchange(Stdio.Bufferdata,ProtocolVersionversion)- Parameter 
data Payload from a
HANDSHAKE_client_key_exchange.- Returns
 Premaster secret or alert number.
- Note
 May set message_was_bad and return a fake premaster secret.