Add QUIC 31 in which the server's proof covers both the static server config as well as a hash of t…

net/quic/quic_crypto_client_stream.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_QUIC_QUIC_CRYPTO_CLIENT_STREAM_H_
 #define NET_QUIC_QUIC_CRYPTO_CLIENT_STREAM_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 191 matching lines @@
   // and the client config settings also allow sending a ChannelID.
   bool RequiresChannelID(QuicCryptoClientConfig::CachedState* cached);
 
   State next_state_;
   // num_client_hellos_ contains the number of client hello messages that this
   // connection has sent.
   int num_client_hellos_;
 
   QuicCryptoClientConfig* const crypto_config_;
 
-  // Client's connection nonce (4-byte timestamp + 28 random bytes)
-  std::string nonce_;
+  // SHA-256 hash of the most recently sent CHLO.
+  std::string chlo_hash_;
+
   // Server's (hostname, port, is_https, privacy_mode) tuple.
   const QuicServerId server_id_;
 
   // Generation counter from QuicCryptoClientConfig's CachedState.
   uint64_t generation_counter_;
 
   // True if a channel ID was sent.
   bool channel_id_sent_;
 
   // True if channel_id_source_callback_ was run.
@@ skipping 33 matching lines @@
   bool stateless_reject_received_;
 
   base::TimeTicks proof_verify_start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicCryptoClientStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CRYPTO_CLIENT_STREAM_H_