13.4 Early data
Bob has to send an EndOfEarlyData
message upon receiving Alice’s Finished
message if Alice sent early˙data
in her EncryptedExtensions
message.
If Alice did not send the early˙data
in the EncryptedExtensions
, then Bob does not send the EndOfEarlyData
message. EndOfEarlyData
indicates that all 0-RTT application˙data
messages – if any were sent – were successfully transmitted and the following messages are secured using the handshake traffic keys.