openssl/include/openssl/prov_ssl.h

/*
 * Copyright 2021-2023 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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 OPENSSL_PROV_SSL_H
# define OPENSSL_PROV_SSL_H
# pragma once

# ifdef __cplusplus
extern "C" {
# endif

/* SSL/TLS related defines useful to providers */

# define SSL_MAX_MASTER_KEY_LENGTH 48

/* SSL/TLS uses a 2 byte unsigned version number */
# define SSL3_VERSION                    0x0300
# define TLS1_VERSION                    0x0301
# define TLS1_1_VERSION                  0x0302
# define TLS1_2_VERSION                  0x0303
# define TLS1_3_VERSION                  0x0304
# define DTLS1_VERSION                   0xFEFF
# define DTLS1_2_VERSION                 0xFEFD
# define DTLS1_BAD_VER                   0x0100

/* QUIC uses a 4 byte unsigned version number */
# define OSSL_QUIC1_VERSION              0x0000001

# ifdef __cplusplus
}
# endif
#endif /* OPENSSL_PROV_SSL_H */