1 | /*
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2 | * Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #ifndef HEADER_DTLS1_H
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11 | # define HEADER_DTLS1_H
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12 |
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13 | #ifdef __cplusplus
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14 | extern "C" {
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15 | #endif
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16 |
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17 | # define DTLS1_VERSION 0xFEFF
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18 | # define DTLS1_2_VERSION 0xFEFD
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19 | # define DTLS_MIN_VERSION DTLS1_VERSION
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20 | # define DTLS_MAX_VERSION DTLS1_2_VERSION
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21 | # define DTLS1_VERSION_MAJOR 0xFE
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22 |
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23 | # define DTLS1_BAD_VER 0x0100
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24 |
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25 | /* Special value for method supporting multiple versions */
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26 | # define DTLS_ANY_VERSION 0x1FFFF
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27 |
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28 | /* lengths of messages */
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29 | # define DTLS1_COOKIE_LENGTH 256
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30 |
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31 | # define DTLS1_RT_HEADER_LENGTH 13
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32 |
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33 | # define DTLS1_HM_HEADER_LENGTH 12
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34 |
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35 | # define DTLS1_HM_BAD_FRAGMENT -2
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36 | # define DTLS1_HM_FRAGMENT_RETRY -3
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37 |
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38 | # define DTLS1_CCS_HEADER_LENGTH 1
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39 |
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40 | # ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
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41 | # define DTLS1_AL_HEADER_LENGTH 7
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42 | # else
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43 | # define DTLS1_AL_HEADER_LENGTH 2
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44 | # endif
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45 |
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46 |
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47 | /* Timeout multipliers (timeout slice is defined in apps/timeouts.h */
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48 | # define DTLS1_TMO_READ_COUNT 2
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49 | # define DTLS1_TMO_WRITE_COUNT 2
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50 |
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51 | # define DTLS1_TMO_ALERT_COUNT 12
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52 |
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53 | #ifdef __cplusplus
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54 | }
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55 | #endif
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56 | #endif
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