1 /* 2 * Copyright 2021-2023 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 OPENSSL_PROV_SSL_H 11 #define OPENSSL_PROV_SSL_H 12 #pragma once 13 14 #ifdef __cplusplus 15 extern "C" { 16 #endif 17 18 /* SSL/TLS related defines useful to providers */ 19 20 #define SSL_MAX_MASTER_KEY_LENGTH 48 21 22 /* SSL/TLS uses a 2 byte unsigned version number */ 23 #define SSL3_VERSION 0x0300 24 #define TLS1_VERSION 0x0301 25 #define TLS1_1_VERSION 0x0302 26 #define TLS1_2_VERSION 0x0303 27 #define TLS1_3_VERSION 0x0304 28 #define DTLS1_VERSION 0xFEFF 29 #define DTLS1_2_VERSION 0xFEFD 30 #define DTLS1_BAD_VER 0x0100 31 32 /* QUIC uses a 4 byte unsigned version number */ 33 #define OSSL_QUIC1_VERSION 0x0000001 34 35 #ifdef __cplusplus 36 } 37 #endif 38 #endif /* OPENSSL_PROV_SSL_H */ 39