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Side by Side Diff: net/quic/core/crypto/crypto_protocol.h

Issue 2463093003: Landing Recent QUIC changes until Sat Oct 29 14:59:35. (Closed)
Patch Set: add change to quiartc_session_test.cc Created 4 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_ 5 #ifndef NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_
6 #define NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_ 6 #define NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
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96 const QuicTag kAKD3 = TAG('A', 'K', 'D', '3'); // Ack decimation style acking 96 const QuicTag kAKD3 = TAG('A', 'K', 'D', '3'); // Ack decimation style acking
97 // with 1/8 RTT acks. 97 // with 1/8 RTT acks.
98 const QuicTag kAKD4 = TAG('A', 'K', 'D', '4'); // Ack decimation with 1/8 RTT 98 const QuicTag kAKD4 = TAG('A', 'K', 'D', '4'); // Ack decimation with 1/8 RTT
99 // tolerating out of order. 99 // tolerating out of order.
100 const QuicTag kSSLR = TAG('S', 'S', 'L', 'R'); // Slow Start Large Reduction. 100 const QuicTag kSSLR = TAG('S', 'S', 'L', 'R'); // Slow Start Large Reduction.
101 const QuicTag kNPRR = TAG('N', 'P', 'R', 'R'); // Pace at unity instead of PRR 101 const QuicTag kNPRR = TAG('N', 'P', 'R', 'R'); // Pace at unity instead of PRR
102 const QuicTag k5RTO = TAG('5', 'R', 'T', 'O'); // Close connection on 5 RTOs 102 const QuicTag k5RTO = TAG('5', 'R', 'T', 'O'); // Close connection on 5 RTOs
103 const QuicTag kCTIM = TAG('C', 'T', 'I', 'M'); // Client timestamp in seconds 103 const QuicTag kCTIM = TAG('C', 'T', 'I', 'M'); // Client timestamp in seconds
104 // since UNIX epoch. 104 // since UNIX epoch.
105 const QuicTag kDHDT = TAG('D', 'H', 'D', 'T'); // Disable HPACK dynamic table. 105 const QuicTag kDHDT = TAG('D', 'H', 'D', 'T'); // Disable HPACK dynamic table.
106 const QuicTag kIPFS = TAG('I', 'P', 'F', 'S'); // No Immediate Forward Secrecy
107 const QuicTag kCONH = TAG('C', 'O', 'N', 'H'); // Conservative Handshake 106 const QuicTag kCONH = TAG('C', 'O', 'N', 'H'); // Conservative Handshake
108 // Retransmissions. 107 // Retransmissions.
109 const QuicTag kLFAK = TAG('L', 'F', 'A', 'K'); // Don't invoke FACK on the 108 const QuicTag kLFAK = TAG('L', 'F', 'A', 'K'); // Don't invoke FACK on the
110 // first ack. 109 // first ack.
111 110
112 // Optional support of truncated Connection IDs. If sent by a peer, the value 111 // Optional support of truncated Connection IDs. If sent by a peer, the value
113 // is the minimum number of bytes allowed for the connection ID sent to the 112 // is the minimum number of bytes allowed for the connection ID sent to the
114 // peer. 113 // peer.
115 const QuicTag kTCID = TAG('T', 'C', 'I', 'D'); // Connection ID truncation. 114 const QuicTag kTCID = TAG('T', 'C', 'I', 'D'); // Connection ID truncation.
116 115
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199 // Public reset tags 198 // Public reset tags
200 const QuicTag kRNON = TAG('R', 'N', 'O', 'N'); // Public reset nonce proof 199 const QuicTag kRNON = TAG('R', 'N', 'O', 'N'); // Public reset nonce proof
201 const QuicTag kRSEQ = TAG('R', 'S', 'E', 'Q'); // Rejected packet number 200 const QuicTag kRSEQ = TAG('R', 'S', 'E', 'Q'); // Rejected packet number
202 201
203 // Universal tags 202 // Universal tags
204 const QuicTag kPAD = TAG('P', 'A', 'D', '\0'); // Padding 203 const QuicTag kPAD = TAG('P', 'A', 'D', '\0'); // Padding
205 204
206 // Server push tags 205 // Server push tags
207 const QuicTag kSPSH = TAG('S', 'P', 'S', 'H'); // Support server push. 206 const QuicTag kSPSH = TAG('S', 'P', 'S', 'H'); // Support server push.
208 207
209 // Sent by clients with the fix to crbug/566156
210 const QuicTag kFIXD = TAG('F', 'I', 'X', 'D'); // Client hello
211 // clang-format on 208 // clang-format on
212 209
213 // These tags have a special form so that they appear either at the beginning 210 // These tags have a special form so that they appear either at the beginning
214 // or the end of a handshake message. Since handshake messages are sorted by 211 // or the end of a handshake message. Since handshake messages are sorted by
215 // tag value, the tags with 0 at the end will sort first and those with 255 at 212 // tag value, the tags with 0 at the end will sort first and those with 255 at
216 // the end will sort last. 213 // the end will sort last.
217 // 214 //
218 // The certificate chain should have a tag that will cause it to be sorted at 215 // The certificate chain should have a tag that will cause it to be sorted at
219 // the end of any handshake messages because it's likely to be large and the 216 // the end of any handshake messages because it's likely to be large and the
220 // client might be able to get everything that it needs from the small values at 217 // client might be able to get everything that it needs from the small values at
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249 // amplification factor of any mirror DoS attack. 246 // amplification factor of any mirror DoS attack.
250 // 247 //
251 // A client may pad an inchoate client hello to a size larger than 248 // A client may pad an inchoate client hello to a size larger than
252 // kClientHelloMinimumSize to make it more likely to receive a complete 249 // kClientHelloMinimumSize to make it more likely to receive a complete
253 // rejection message. 250 // rejection message.
254 const size_t kClientHelloMinimumSize = 1024; 251 const size_t kClientHelloMinimumSize = 1024;
255 252
256 } // namespace net 253 } // namespace net
257 254
258 #endif // NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_ 255 #endif // NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_
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