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0f113f3e | 1 | /* |
36d16f8e | 2 | * DTLS implementation written by Nagendra Modadugu |
0f113f3e | 3 | * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. |
36d16f8e BL |
4 | */ |
5 | /* ==================================================================== | |
6 | * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 13 | * notice, this list of conditions and the following disclaimer. |
36d16f8e BL |
14 | * |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * openssl-core@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
6f678c40 | 59 | #ifndef HEADER_DTLS1_H |
0f113f3e MC |
60 | # define HEADER_DTLS1_H |
61 | ||
36d16f8e BL |
62 | #ifdef __cplusplus |
63 | extern "C" { | |
64 | #endif | |
65 | ||
0f113f3e MC |
66 | # define DTLS1_VERSION 0xFEFF |
67 | # define DTLS1_2_VERSION 0xFEFD | |
7946ab33 | 68 | # define DTLS_MIN_VERSION DTLS1_VERSION |
0f113f3e | 69 | # define DTLS_MAX_VERSION DTLS1_2_VERSION |
af674d4e | 70 | # define DTLS1_VERSION_MAJOR 0xFE |
cf6da053 | 71 | |
0f113f3e | 72 | # define DTLS1_BAD_VER 0x0100 |
cf6da053 | 73 | |
c6913eeb | 74 | /* Special value for method supporting multiple versions */ |
0f113f3e | 75 | # define DTLS_ANY_VERSION 0x1FFFF |
36d16f8e | 76 | |
36d16f8e | 77 | /* lengths of messages */ |
0f113f3e | 78 | # define DTLS1_COOKIE_LENGTH 256 |
36d16f8e | 79 | |
0f113f3e | 80 | # define DTLS1_RT_HEADER_LENGTH 13 |
36d16f8e | 81 | |
0f113f3e | 82 | # define DTLS1_HM_HEADER_LENGTH 12 |
36d16f8e | 83 | |
0f113f3e MC |
84 | # define DTLS1_HM_BAD_FRAGMENT -2 |
85 | # define DTLS1_HM_FRAGMENT_RETRY -3 | |
36d16f8e | 86 | |
0f113f3e | 87 | # define DTLS1_CCS_HEADER_LENGTH 1 |
36d16f8e | 88 | |
0f113f3e MC |
89 | # ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE |
90 | # define DTLS1_AL_HEADER_LENGTH 7 | |
91 | # else | |
92 | # define DTLS1_AL_HEADER_LENGTH 2 | |
93 | # endif | |
36d16f8e | 94 | |
36d16f8e BL |
95 | |
96 | /* Timeout multipliers (timeout slice is defined in apps/timeouts.h */ | |
0f113f3e MC |
97 | # define DTLS1_TMO_READ_COUNT 2 |
98 | # define DTLS1_TMO_WRITE_COUNT 2 | |
36d16f8e | 99 | |
0f113f3e | 100 | # define DTLS1_TMO_ALERT_COUNT 12 |
36d16f8e BL |
101 | |
102 | #ifdef __cplusplus | |
103 | } | |
104 | #endif | |
105 | #endif |