forked from osmocom/wireshark
87 lines
2.7 KiB
C
87 lines
2.7 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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* SPDX-License-Identifier: GPL-2.0-or-later
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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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/* 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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/* nwk key ring update */
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extern void zbee_sec_add_key_to_keyring(packet_info *, const guint8 *);
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#endif /* PACKET_ZBEE_SECURITY_H */
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/*
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* Editor modelines - https://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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