4:58 * lz;ʁrYbѿ | 9_I|+#V /* ssl/dtls1.h */ /* * DTLS implementation written by Nagendra Modadugu * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. */ /* ==================================================================== * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #ifndef HEADER_DTLS1_H # define HEADER_DTLS1_H # include # include # ifdef OPENSSL_SYS_VMS # include # include # endif # ifdef OPENSSL_SYS_WIN32 /* Needed for struct timeval */ # include # elif defined(OPENSSL_SYS_NETWARE) && !defined(_WINSOCK2API_) # include # else # if defined(OPENSSL_SYS_VXWORKS) # include # else # include # endif # endif #ifdef __cplusplus extern "C" { #endif # define DTLS1_VERSION 0xFEFF # define DTLS1_2_VERSION 0xFEFD # define DTLS_MAX_VERSION DTLS1_2_VERSION # define DTLS1_VERSION_MAJOR 0xFE # define DTLS1_BAD_VER 0x0100 /* Special value for method supporting multiple versions */ # define DTLS_ANY_VERSION 0x1FFFF # if 0 /* this alert description is not specified anywhere... */ # define DTLS1_AD_MISSING_HANDSHAKE_MESSAGE 110 # endif /* lengths of messages */ # define DTLS1_COOKIE_LENGTH 256 # define DTLS1_RT_HEADER_LENGTH 13 # define DTLS1_HM_HEADER_LENGTH 12 # define DTLS1_HM_BAD_FRAGMENT -2 # define DTLS1_HM_F