Robert Bosch Pty Ltd VIMA01 Benutzerhandbuch
PROTOCOL SPECIFICATION
F005VP0801
ROBERT BOSCH
(AUSTRALIA) PTY. LTD.
A.B.N. 48 004 315 628
SMARTRA III IMMOBILISER
Page 2 of 49
Issue Number:
1.0
Dev No.
3881
Valid from:
14/2/06
Print Date:
28 March, 2007
© THIS DRAWING IS THE EXCLUSIVE PROPERTY OF ROBERT BOSCH (AUSTRALIA) PTY. LTD. WITHOUT THEIR CONSENT IT MAY NOT BE REPRODUCED OR GIVEN TO THIRD PARTIES.
DEV04205.9/I-1
TABLE OF CONTENTS
1.
ALTERATION LIST ..........................................................................................................................................................1
2.
TABLE OF CONTENTS ....................................................................................................................................................2
3.
APPLICABLE DOCUMENTS ..........................................................................................................................................5
4.
INTRODUCTION ...............................................................................................................................................................5
4.1.1
Immobiliser Background ..........................................................................................................................................5
4.1.1.1
Model : Proposed Smartra3................................................................................................................................................5
4.1.2
Document description...............................................................................................................................................6
4.1.3
Diagram: Smartra communications interfaces ........................................................................................................6
4.2
EMS
TO
S
MARTRA
C
OMMUNICATIONS
D
ESCRIPTION
(OSI
MODEL
):.............................................................................7
4.2.1
Diagram: OSI model ................................................................................................................................................7
4.2.1.1
Requirements from customer .............................................................................................................................................8
4.2.2
Proposed Solution ....................................................................................................................................................8
4.2.3
Diagram Showing Proposed Design:.......................................................................................................................8
4.2.4
States of the smartra.................................................................................................................................................9
4.2.4.1
State transition Diagram: ...................................................................................................................................................9
4.2.4.1.1
States:............................................................................................................................................................................9
4.2.4.1.2
State Transitions: ..........................................................................................................................................................9
4.2.5
System security .......................................................................................................................................................10
4.2.6
Secret Encryption Key (SEK) Learning..................................................................................................................10
4.2.6.1
Diagram: Secret Key learning flow .................................................................................................................................10
4.3
A
SSUMPTIONS
M
ADE
...................................................................................................................................................12
4.4
R
EFERENCES
................................................................................................................................................................12
5.
MESSAGE STRUCTURE BETWEEN EMS AND SMARTRA ..................................................................................13
5.1.1
Data Packet Breakdown .........................................................................................................................................13
5.2
06
H
-
A
CKNOWLEDGE
..................................................................................................................................................14
5.3
53
H
-
S
OFTWARE
V
ERSION
. .........................................................................................................................................14
5.4
4B
H
-
T
RANSPONDER
IDE
(P
RE
ID
M
ATCHING
) .........................................................................................................15
5.4.1
0x4B – (Existing) Pre Secret Encryption Key – kept for backwards compatibility ................................................15
5.4.2
0x4B – New – Secret Encryption Key – with Encryption check. ............................................................................15
5.5
41
H
-
T
RANSPONDER
A
UTHENTICATION
. .....................................................................................................................16
5.6
57
H
-
T
RANSPONDER
W
RITE
EEPROM
P
AGE
. ............................................................................................................16
5.7
52
H
-
T
RANSPONDER
R
EAD
EEPROM
P
AGE
...............................................................................................................16
5.8
4E
H
–
N
EUTRALISE A
[L
EARNT
]
S
MARTRA
..................................................................................................................17
5.9
54
H
–
T
EACH
S
MARTRA
...............................................................................................................................................17
5.10
15
H
-
N
EGATIVE
R
ESPONSES
........................................................................................................................................18
6.
MESSAGE FLOW BETWEEN EMS, SMARTRA AND TRANSPONDER...............................................................19
6.1
B
ACKGROUND
.............................................................................................................................................................19
6.1.1
Starting Communications .......................................................................................................................................19
6.1.2
Stopping Communications......................................................................................................................................19
6.1.3
(Re)Teaching Mode ................................................................................................................................................19
6.1.3.1
Diagram: Explaining how to read message flow diagrams ..............................................................................................19
6.2
M
ESSAGE
F
LOW
1
-
N
ORMAL
O
PERATION
...................................................................................................................20
6.2.1.1
Message Sequence ...........................................................................................................................................................20
6.2.1.2
Message Flow Detail .......................................................................................................................................................20
6.2.2
Message Flow Diagram: ........................................................................................................................................20
6.3
M
ESSAGE
F
LOW
2
–
T
WICE
IG
ON
OR
A
UTHENTICATION MODE
..................................................................................21
6.3.1.1
Message Sequence ...........................................................................................................................................................21
6.3.1.2
Message Flow Detail .......................................................................................................................................................21
6.3.2
Message Flow Diagram: ........................................................................................................................................21
6.4
M
ESSAGE
F
LOW
3
–
T
WICE
IG
ON
OR
A
UTHENTICATION MODE
..................................................................................22
6.4.1.1
Message Sequence ...........................................................................................................................................................22