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0f113f3e | 1 | /* |
6738bf14 | 2 | * Copyright 2005-2018 The OpenSSL Project Authors. All Rights Reserved. |
36d16f8e | 3 | * |
48f4ad77 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
21dcbebc RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
36d16f8e BL |
8 | */ |
9 | ||
ae4186b0 DMSP |
10 | #ifndef OPENSSL_DTLS1_H |
11 | # define OPENSSL_DTLS1_H | |
0f113f3e | 12 | |
36d16f8e BL |
13 | #ifdef __cplusplus |
14 | extern "C" { | |
15 | #endif | |
16 | ||
04cd70c6 KR |
17 | #include <openssl/opensslconf.h> |
18 | ||
0f113f3e MC |
19 | # define DTLS1_VERSION 0xFEFF |
20 | # define DTLS1_2_VERSION 0xFEFD | |
04cd70c6 KR |
21 | # if !OPENSSL_API_3 |
22 | # define DTLS_MIN_VERSION DTLS1_VERSION | |
23 | # define DTLS_MAX_VERSION DTLS1_2_VERSION | |
24 | # endif | |
af674d4e | 25 | # define DTLS1_VERSION_MAJOR 0xFE |
cf6da053 | 26 | |
0f113f3e | 27 | # define DTLS1_BAD_VER 0x0100 |
cf6da053 | 28 | |
c6913eeb | 29 | /* Special value for method supporting multiple versions */ |
0f113f3e | 30 | # define DTLS_ANY_VERSION 0x1FFFF |
36d16f8e | 31 | |
36d16f8e | 32 | /* lengths of messages */ |
43054d3d MC |
33 | /* |
34 | * Actually the max cookie length in DTLS is 255. But we can't change this now | |
35 | * due to compatibility concerns. | |
36 | */ | |
0f113f3e | 37 | # define DTLS1_COOKIE_LENGTH 256 |
36d16f8e | 38 | |
0f113f3e | 39 | # define DTLS1_RT_HEADER_LENGTH 13 |
36d16f8e | 40 | |
0f113f3e | 41 | # define DTLS1_HM_HEADER_LENGTH 12 |
36d16f8e | 42 | |
0f113f3e MC |
43 | # define DTLS1_HM_BAD_FRAGMENT -2 |
44 | # define DTLS1_HM_FRAGMENT_RETRY -3 | |
36d16f8e | 45 | |
0f113f3e | 46 | # define DTLS1_CCS_HEADER_LENGTH 1 |
36d16f8e | 47 | |
2f0ca54c | 48 | # define DTLS1_AL_HEADER_LENGTH 2 |
36d16f8e | 49 | |
bd9faf11 | 50 | /* Timeout multipliers */ |
0f113f3e MC |
51 | # define DTLS1_TMO_READ_COUNT 2 |
52 | # define DTLS1_TMO_WRITE_COUNT 2 | |
36d16f8e | 53 | |
0f113f3e | 54 | # define DTLS1_TMO_ALERT_COUNT 12 |
36d16f8e BL |
55 | |
56 | #ifdef __cplusplus | |
57 | } | |
58 | #endif | |
59 | #endif |