2 * nghttp2 - HTTP/2 C Library
4 * Copyright (c) 2021 Tatsuhiro Tsujikawa
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 #include <ngtcp2/ngtcp2.h>
38 using namespace nghttp2;
41 template <> struct hash<ngtcp2_cid> {
42 std::size_t operator()(const ngtcp2_cid &cid) const noexcept {
43 // FNV-1a 64bits variant
44 constexpr uint64_t basis = 0xCBF29CE484222325ULL;
45 const uint8_t *p = cid.data, *end = cid.data + cid.datalen;
53 return static_cast<size_t>(h);
58 bool operator==(const ngtcp2_cid &lhs, const ngtcp2_cid &rhs);
63 struct QUICKeyingMaterials;
64 struct QUICKeyingMaterial;
66 constexpr size_t SHRPX_QUIC_SCIDLEN = 20;
67 constexpr size_t SHRPX_QUIC_SERVER_IDLEN = 4;
68 // SHRPX_QUIC_CID_PREFIXLEN includes SHRPX_QUIC_SERVER_IDLEN.
69 constexpr size_t SHRPX_QUIC_CID_PREFIXLEN = 8;
70 constexpr size_t SHRPX_QUIC_CID_PREFIX_OFFSET = 1;
71 constexpr size_t SHRPX_QUIC_DECRYPTED_DCIDLEN = 16;
72 constexpr size_t SHRPX_QUIC_CID_ENCRYPTION_KEYLEN = 16;
73 constexpr size_t SHRPX_QUIC_MAX_UDP_PAYLOAD_SIZE = 1472;
74 constexpr size_t SHRPX_QUIC_CONN_CLOSE_PKTLEN = 256;
75 constexpr size_t SHRPX_QUIC_STATELESS_RESET_BURST = 100;
76 constexpr size_t SHRPX_QUIC_SECRET_RESERVEDLEN = 4;
77 constexpr size_t SHRPX_QUIC_SECRETLEN = 32;
78 constexpr size_t SHRPX_QUIC_SALTLEN = 32;
80 ngtcp2_tstamp quic_timestamp();
82 int quic_send_packet(const UpstreamAddr *faddr, const sockaddr *remote_sa,
83 size_t remote_salen, const sockaddr *local_sa,
84 size_t local_salen, const uint8_t *data, size_t datalen,
87 int generate_quic_retry_connection_id(ngtcp2_cid &cid, size_t cidlen,
88 const uint8_t *server_id, uint8_t km_id,
91 int generate_quic_connection_id(ngtcp2_cid &cid, size_t cidlen,
92 const uint8_t *cid_prefix, uint8_t km_id,
95 int encrypt_quic_connection_id(uint8_t *dest, const uint8_t *src,
98 int decrypt_quic_connection_id(uint8_t *dest, const uint8_t *src,
101 int generate_quic_hashed_connection_id(ngtcp2_cid &dest,
102 const Address &remote_addr,
103 const Address &local_addr,
104 const ngtcp2_cid &cid);
106 int generate_quic_stateless_reset_token(uint8_t *token, const ngtcp2_cid &cid,
107 const uint8_t *secret,
110 int generate_retry_token(uint8_t *token, size_t &tokenlen, const sockaddr *sa,
111 socklen_t salen, const ngtcp2_cid &retry_scid,
112 const ngtcp2_cid &odcid, const uint8_t *secret,
115 int verify_retry_token(ngtcp2_cid &odcid, const uint8_t *token, size_t tokenlen,
116 const ngtcp2_cid &dcid, const sockaddr *sa,
117 socklen_t salen, const uint8_t *secret,
120 int generate_token(uint8_t *token, size_t &tokenlen, const sockaddr *sa,
121 size_t salen, const uint8_t *secret, size_t secretlen);
123 int verify_token(const uint8_t *token, size_t tokenlen, const sockaddr *sa,
124 socklen_t salen, const uint8_t *secret, size_t secretlen);
126 int generate_quic_connection_id_encryption_key(uint8_t *key, size_t keylen,
127 const uint8_t *secret,
132 const QUICKeyingMaterial *
133 select_quic_keying_material(const QUICKeyingMaterials &qkms,
138 #endif // SHRPX_QUIC_H