+------------+                               +------------+
|            |<---- Handshake Messages ----->|            |
|            |<- Validate 0-RTT Parameters ->|            |
|            |<--------- 0-RTT Keys ---------|            |
|    QUIC    |<------- Handshake Keys -------|    TLS     |
|            |<--------- 1-RTT Keys ---------|            |
|            |<------- Handshake Done -------|            |
+------------+                               +------------+
 |         ^
 | Protect | Protected
 v         | Packet
+------------+
|   QUIC     |
|  Packet    |
| Protection |
+------------+