| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2005-2018 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 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 |
| 8 | */ |
| 9 | |
| 10 | #ifndef HEADER_DTLS1_H |
| 11 | # define HEADER_DTLS1_H |
| 12 | |
| 13 | #ifdef __cplusplus |
| 14 | extern "C" { |
| 15 | #endif |
| 16 | |
| 17 | # define DTLS1_VERSION 0xFEFF |
| 18 | # define DTLS1_2_VERSION 0xFEFD |
| 19 | # define DTLS_MIN_VERSION DTLS1_VERSION |
| 20 | # define DTLS_MAX_VERSION DTLS1_2_VERSION |
| 21 | # define DTLS1_VERSION_MAJOR 0xFE |
| 22 | |
| 23 | # define DTLS1_BAD_VER 0x0100 |
| 24 | |
| 25 | /* Special value for method supporting multiple versions */ |
| 26 | # define DTLS_ANY_VERSION 0x1FFFF |
| 27 | |
| 28 | /* lengths of messages */ |
| 29 | /* |
| 30 | * Actually the max cookie length in DTLS is 255. But we can't change this now |
| 31 | * due to compatibility concerns. |
| 32 | */ |
| 33 | # define DTLS1_COOKIE_LENGTH 256 |
| 34 | |
| 35 | # define DTLS1_RT_HEADER_LENGTH 13 |
| 36 | |
| 37 | # define DTLS1_HM_HEADER_LENGTH 12 |
| 38 | |
| 39 | # define DTLS1_HM_BAD_FRAGMENT -2 |
| 40 | # define DTLS1_HM_FRAGMENT_RETRY -3 |
| 41 | |
| 42 | # define DTLS1_CCS_HEADER_LENGTH 1 |
| 43 | |
| 44 | # define DTLS1_AL_HEADER_LENGTH 2 |
| 45 | |
| 46 | /* Timeout multipliers */ |
| 47 | # define DTLS1_TMO_READ_COUNT 2 |
| 48 | # define DTLS1_TMO_WRITE_COUNT 2 |
| 49 | |
| 50 | # define DTLS1_TMO_ALERT_COUNT 12 |
| 51 | |
| 52 | #ifdef __cplusplus |
| 53 | } |
| 54 | #endif |
| 55 | #endif |