forked from Mirrors/freeswitch
183 lines
5.8 KiB
C
183 lines
5.8 KiB
C
/*
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* libZRTP SDK library, implements the ZRTP secure VoIP protocol.
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* Copyright (c) 2006-2009 Philip R. Zimmermann. All rights reserved.
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* Contact: http://philzimmermann.com
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* For licensing and other legal details, see the file zrtp_legal.c.
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*
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* Viktor Krykun <v.krikun at zfoneproject.com>
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*/
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/**
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* @file zrtp_config_user.h
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* @brief libzrtp user configuration routine
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*/
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#ifndef __ZRTP_CONFIG_USER_H__
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#define __ZRTP_CONFIG_USER_H__
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/**
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* \defgroup zrtp_config Build Configuration
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* \{
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*
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* As libzrtp based on few OS dependent components, target platform and byte-order must be defined
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* on compilation level. libzrtp provides automatic platform and byte-order detection. Developer
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* needs to define these parameters manually in very specific cases only.
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*
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* libzrtp originaly supports folowwing platforms:
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* - 32/64-bit Windows platform;
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* - Windows kernel mode;
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* - Apple Mac OS X and iPhone;
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* - Linux and *nix platforms;
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* - Symbian OS.
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*
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* In order to specify platform manually, developer should define ZRTP_PLATFORM value. If
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* ZRTP_PLATFORM is not defined - libzrtp will try to detect it automatically (see zrtp_config.h).
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*
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* In order to specify platform byte-order manually, developer should define ZRTP_BYTE_ORDER value.
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* If ZRTP_BYTE_ORDER is not defined - libzrtp will try to detect it automatically.
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*/
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/** \brief Constant to define ZRTP Windows 32-bit platform */
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#define ZP_WIN32 100
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/** \brief Constant to define ZRTP Windows 64-bit platform */
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#define ZP_WIN64 106
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/** \brief Constant to define ZRTP Windows Kernel mode */
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#define ZP_WIN32_KERNEL 101
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/** \brief Constant to define ZRTP Windows CE platform */
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#define ZP_WINCE 102
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/** \brief Constant to define Linux and *nux platforms */
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#define ZP_LINUX 103
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/** \brief Constant to define Mac OS X Platform */
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#define ZP_DARWIN 104
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/** \brief Constant to define Symbian OS */
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#define ZP_SYMBIAN 105
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/** \brief Constant to define ZRTP BSD platform */
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#define ZP_BSD 107
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/** \brief Define Platform manually there */
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//#undefine ZRTP_PLATFORM
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/** \brief Constant to define Big Endian Platform */
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#define ZBO_BIG_ENDIAN 0x4321
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/** \brief Constant to define Little Endian Platform */
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#define ZBO_LITTLE_ENDIAN 0x1234
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/** \brief Define Platform Byte Order manually there */
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//#define ZRTP_BYTE_ORDER
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/** \brief Defines the max length in bytes of a binary SAS digest */
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#ifndef ZRTP_SAS_DIGEST_LENGTH
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#define ZRTP_SAS_DIGEST_LENGTH 32
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#endif
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/** \brief Defines maximum number of ZRTP streams within one session */
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#ifndef ZRTP_MAX_STREAMS_PER_SESSION
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#define ZRTP_MAX_STREAMS_PER_SESSION 2
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#endif
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/**
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* \brief Allows to build libzrtp against external srtp encryption library
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*
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* The latest version of libzrtp, starting with 0.3.9, supplies a built-in mechanism for SRTP
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* encryption. However, if for some reason during development it is neccesary to use an external
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* library, this flag must be set.
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*/
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#ifndef ZRTP_USE_EXTERN_SRTP
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#define ZRTP_USE_EXTERN_SRTP 0
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#endif
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/**
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* \brief Build libzrtp with minimum stack usage
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*
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* Set to 1 you build libzrtp in environment with strong limitation of stack size (Mobile platforms
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* or in kernel mode). When this flag is set, some static data allocation will be changed to
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* dynamic. The size of these data doesn't matter in "regular" PC applications, but on mobile
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* platforms and in kernel mode, where the stack size is critical, libzrtp must work with optimized
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* data.
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*/
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#ifndef ZRTP_USE_STACK_MINIM
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#define ZRTP_USE_STACK_MINIM 0
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#endif
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#ifndef ZRTP_USE_BUILTIN
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#define ZRTP_USE_BUILTIN 1
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#endif
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#ifndef ZRTP_USE_BUILTIN_SCEHDULER
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#define ZRTP_USE_BUILTIN_SCEHDULER 1
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#endif
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#ifndef ZRTP_USE_BUILTIN_CACHE
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#define ZRTP_USE_BUILTIN_CACHE 1
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#endif
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#ifndef ZRTP_ENABLE_EC
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#define ZRTP_ENABLE_EC 1
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#endif
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#ifndef ZRTP_DEBUG_WITH_PJSIP
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#define ZRTP_DEBUG_WITH_PJSIP 0
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#endif
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/**
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* \brief Set to 1 if you build libzrtp against libzrtp-s.
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*
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* CSD-mode was implemented to support new ZRTP/S protocol designed by KHAMSA SA, Via Giacometti 1,
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* CH-6900, Lugano - info@khamsa.ch. and Phil Zimmermann. ZRTP/S allows to make secure ZRTP calls
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* over CSD channels. This option affect enterprise version of the library only.
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*/
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#ifndef ZRTP_BUILD_FOR_CSD
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#define ZRTP_BUILD_FOR_CSD 0
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#endif
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/**
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* \brief Maximum number of Preshared exchanges allowed since last retain secret update
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*
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* Preshared key exchange mode has lot of weaknesses comparing to DH. And one of them - lack of key
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* continuity. Preshared mode is not recommended unless there is a strong necessity in using it
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* (slow CPU device, low-latency channel).
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*
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* To minimize risk of using Preshared exchanges, libzrtp automatically limits number for preshared
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* connection available for the same instance of RS value. In other words, libzrtp forces DH exchange
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* every \c ZRTP_PRESHARED_MAX_ALLOWED calls.
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*/
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#define ZRTP_PRESHARED_MAX_ALLOWED 20
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/**
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* \brief Defines libzrtp log-level
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*
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* Defines maximum log level for libzrtp: log-level 3 contains debug messages, 2 - warnings and
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* software errors, 1 - security issues. If you set this option to 0 - libzrtp will not debug
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* output and will not even make a log function calls.
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*/
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#ifndef ZRTP_LOG_MAX_LEVEL
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#define ZRTP_LOG_MAX_LEVEL 3
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#endif
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/**
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* \brief Enables SRTP debug output
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*
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* \warning! ZRTP crypto debug logs may include security sensitive information and cause security
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* weakness in the system. Enable SRTP debug logging only when it necessary.
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*/
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#ifndef ZRTP_DEBUG_SRTP_KEYS
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#define ZRTP_DEBUG_SRTP_KEYS 0
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#endif
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/**
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* \brief Enables ZRTP Crypto debug logging.
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*
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* \warning! ZRTP crypto debug logs may include security sensitive information and cause security
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* weakness in the system. Enable ZRTP Protocol debug logging only when it necessary.
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*/
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#ifndef ZRTP_DEBUG_ZRTP_KEYS
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#define ZRTP_DEBUG_ZRTP_KEYS 0
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#endif
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/* \} */
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#endif /*__ZRTP_CONFIG_USER_H__*/
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