dtls1.h 1.2 KB

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  1. /*
  2. * Copyright 2005-2021 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. #ifndef OPENSSL_DTLS1_H
  10. #define OPENSSL_DTLS1_H
  11. #pragma once
  12. #include <openssl/macros.h>
  13. #ifndef OPENSSL_NO_DEPRECATED_3_0
  14. #define HEADER_DTLS1_H
  15. #endif
  16. #include <openssl/prov_ssl.h>
  17. #ifdef __cplusplus
  18. extern "C" {
  19. #endif
  20. #include <openssl/opensslconf.h>
  21. /* DTLS*_VERSION constants are defined in prov_ssl.h */
  22. #ifndef OPENSSL_NO_DEPRECATED_3_0
  23. #define DTLS_MIN_VERSION DTLS1_VERSION
  24. #define DTLS_MAX_VERSION DTLS1_2_VERSION
  25. #endif
  26. #define DTLS1_VERSION_MAJOR 0xFE
  27. /* Special value for method supporting multiple versions */
  28. #define DTLS_ANY_VERSION 0x1FFFF
  29. /* lengths of messages */
  30. #define DTLS1_COOKIE_LENGTH 255
  31. #define DTLS1_RT_HEADER_LENGTH 13
  32. #define DTLS1_HM_HEADER_LENGTH 12
  33. #define DTLS1_HM_BAD_FRAGMENT -2
  34. #define DTLS1_HM_FRAGMENT_RETRY -3
  35. #define DTLS1_CCS_HEADER_LENGTH 1
  36. #define DTLS1_AL_HEADER_LENGTH 2
  37. #define DTLS1_TMO_ALERT_COUNT 12
  38. #ifdef __cplusplus
  39. }
  40. #endif
  41. #endif