llsec: Configuration option for defining a constant LoWPAN-wide security level
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3 changed files with 90 additions and 3 deletions
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@ -78,6 +78,13 @@
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#define NETSTACK_CONF_LLSEC nullsec_driver
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#endif /* NETSTACK_CONF_LLSEC */
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/* To avoid unnecessary complexity, we assume the common case of
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a constant LoWPAN-wide IEEE 802.15.4 security level, which
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can be specified by defining LLSEC802154_CONF_SECURITY_LEVEL. */
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#ifndef LLSEC802154_CONF_SECURITY_LEVEL
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#define LLSEC802154_CONF_SECURITY_LEVEL 0
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#endif /* LLSEC802154_CONF_SECURITY_LEVEL */
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/* NETSTACK_CONF_NETWORK specifies the network layer and can be either
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sicslowpan_driver, for IPv6 networking, or rime_driver, for the
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custom Rime network stack. */
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75
core/net/llsec/llsec802154.h
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75
core/net/llsec/llsec802154.h
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/**
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* \addtogroup llsec
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* @{
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*/
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/**
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* \defgroup llsec802154
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*
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* Common functionality of 802.15.4-compliant llsec_drivers.
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*
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* @{
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*/
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/*
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* Copyright (c) 2013, Hasso-Plattner-Institut.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Common functionality of 802.15.4-compliant llsec_drivers.
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* \author
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* Konrad Krentz <konrad.krentz@gmail.com>
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*/
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#ifndef LLSEC802154_H_
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#define LLSEC802154_H_
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#include "net/mac/frame802154.h"
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#ifdef LLSEC802154_CONF_SECURITY_LEVEL
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#define LLSEC802154_SECURITY_LEVEL LLSEC802154_CONF_SECURITY_LEVEL
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#else /* LLSEC802154_CONF_SECURITY_LEVEL */
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#define LLSEC802154_SECURITY_LEVEL FRAME802154_SECURITY_LEVEL_NONE
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#endif /* LLSEC802154_CONF_SECURITY_LEVEL */
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#define LLSEC802154_MIC_LENGTH ((LLSEC802154_SECURITY_LEVEL & 3) * 4)
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#ifdef LLSEC802154_CONF_USES_ENCRYPTION
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#define LLSEC802154_USES_ENCRYPTION LLSEC802154_CONF_USES_ENCRYPTION
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#else /* LLSEC802154_CONF_USES_ENCRYPTION */
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#define LLSEC802154_USES_ENCRYPTION (LLSEC802154_SECURITY_LEVEL & (1 << 2))
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#endif /* LLSEC802154_CONF_USES_ENCRYPTION */
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#endif /* LLSEC802154_H_ */
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/** @} */
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/** @} */
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@ -96,9 +96,14 @@
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#define FRAME802154_IEEE802154_2003 (0x00)
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#define FRAME802154_IEEE802154_2006 (0x01)
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#define FRAME802154_SECURITY_LEVEL_NONE (0)
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#define FRAME802154_SECURITY_LEVEL_128 (3)
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#define FRAME802154_SECURITY_LEVEL_NONE (0)
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#define FRAME802154_SECURITY_LEVEL_MIC_32 (1)
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#define FRAME802154_SECURITY_LEVEL_MIC_64 (2)
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#define FRAME802154_SECURITY_LEVEL_MIC_128 (3)
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#define FRAME802154_SECURITY_LEVEL_ENC (4)
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#define FRAME802154_SECURITY_LEVEL_ENC_MIC_32 (5)
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#define FRAME802154_SECURITY_LEVEL_ENC_MIC_64 (6)
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#define FRAME802154_SECURITY_LEVEL_ENC_MIC_128 (7)
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/**
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* @brief The IEEE 802.15.4 frame has a number of constant/fixed fields that
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