| /* |
| * Copyright 2005-2018 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #ifndef HEADER_DTLS1_H |
| # define HEADER_DTLS1_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| # define DTLS1_VERSION 0xFEFF |
| # define DTLS1_2_VERSION 0xFEFD |
| # define DTLS_MIN_VERSION DTLS1_VERSION |
| # define DTLS_MAX_VERSION DTLS1_2_VERSION |
| # define DTLS1_VERSION_MAJOR 0xFE |
| |
| # define DTLS1_BAD_VER 0x0100 |
| |
| /* Special value for method supporting multiple versions */ |
| # define DTLS_ANY_VERSION 0x1FFFF |
| |
| /* lengths of messages */ |
| /* |
| * Actually the max cookie length in DTLS is 255. But we can't change this now |
| * due to compatibility concerns. |
| */ |
| # define DTLS1_COOKIE_LENGTH 256 |
| |
| # define DTLS1_RT_HEADER_LENGTH 13 |
| |
| # define DTLS1_HM_HEADER_LENGTH 12 |
| |
| # define DTLS1_HM_BAD_FRAGMENT -2 |
| # define DTLS1_HM_FRAGMENT_RETRY -3 |
| |
| # define DTLS1_CCS_HEADER_LENGTH 1 |
| |
| # define DTLS1_AL_HEADER_LENGTH 2 |
| |
| /* Timeout multipliers */ |
| # define DTLS1_TMO_READ_COUNT 2 |
| # define DTLS1_TMO_WRITE_COUNT 2 |
| |
| # define DTLS1_TMO_ALERT_COUNT 12 |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif |