bfe3706035
... to ensure that there are no potential issues with respect to editors limiting the number of lines scanned at the end of the file when checking for editor modelines. Change-Id: Ic85cbb108bb5159d6ec4116fea11f5eebb4e44a4 Reviewed-on: https://code.wireshark.org/review/4688 Reviewed-by: Bill Meier <wmeier@newsguy.com>
97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
/* packet-zbee-security.h
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* Dissector helper routines for encrypted ZigBee frames.
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* By Owen Kirby <osk@exegin.com>
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* Copyright 2009 Exegin Technologies Limited
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef PACKET_ZBEE_SECURITY_H
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#define PACKET_ZBEE_SECURITY_H
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/* Structure containing the fields stored in the Aux Header */
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typedef struct{
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/* The fields of the Aux Header */
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guint8 control; /* needed to decrypt */
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guint32 counter; /* needed to decrypt */
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guint64 src64; /* needed to decrypt */
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guint8 key_seqno;
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guint8 level;
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guint8 key_id; /* needed to decrypt */
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gboolean nonce;
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} zbee_security_packet;
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/* Bit masks for the Security Control Field. */
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#define ZBEE_SEC_CONTROL_LEVEL 0x07
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#define ZBEE_SEC_CONTROL_KEY 0x18
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#define ZBEE_SEC_CONTROL_NONCE 0x20
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/* ZigBee security levels. */
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#define ZBEE_SEC_NONE 0x00
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#define ZBEE_SEC_MIC32 0x01
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#define ZBEE_SEC_MIC64 0x02
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#define ZBEE_SEC_MIC128 0x03
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#define ZBEE_SEC_ENC 0x04
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#define ZBEE_SEC_ENC_MIC32 0x05
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#define ZBEE_SEC_ENC_MIC64 0x06
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#define ZBEE_SEC_ENC_MIC128 0x07
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/* ZigBee Key Types */
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#define ZBEE_SEC_KEY_LINK 0x00
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#define ZBEE_SEC_KEY_NWK 0x01
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#define ZBEE_SEC_KEY_TRANSPORT 0x02
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#define ZBEE_SEC_KEY_LOAD 0x03
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/* ZigBee Security Constants. */
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#define ZBEE_SEC_CONST_L 2
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#define ZBEE_SEC_CONST_NONCE_LEN (ZBEE_SEC_CONST_BLOCKSIZE-ZBEE_SEC_CONST_L-1)
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#define ZBEE_SEC_CONST_BLOCKSIZE 16
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/* CCM* Flags */
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#define ZBEE_SEC_CCM_FLAG_L 0x01 /* 3-bit encoding of (L-1). */
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#define ZBEE_SEC_CCM_FLAG_M(m) ((((m-2)/2) & 0x7)<<3) /* 3-bit encoding of (M-2)/2 shifted 3 bits. */
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#define ZBEE_SEC_CCM_FLAG_ADATA(l_a) ((l_a>0)?0x40:0x00) /* Adata flag. */
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/* Program Constants */
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#define ZBEE_SEC_PC_KEY 0
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/* Init routine for the Security dissectors. */
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extern void zbee_security_register (module_t *module, int proto);
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extern void zbee_security_handoff (void);
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/* Security Dissector Routine. */
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extern tvbuff_t *dissect_zbee_secure(tvbuff_t *, packet_info *, proto_tree *, guint);
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extern gboolean zbee_sec_ccm_decrypt(const gchar *, const gchar *, const gchar *, const gchar *, gchar *, guint, guint, guint);
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#endif /* PACKET_ZBEE_SECURITY_H */
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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