The International Organization
for Standardization
  
The United Nations Economic
Commission for Europe
 
 
  
Syntax 4 Part 11 > Message description > Segment structure
  
  
  Service message type specifications - Segment table (4.3) 
AUTACK
  
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Pos 
 
Tag
Name
S
R
 
  
 
 
AUTACK
Secure authentication and acknowledgement message
 
 
0010
 
  
Message header
M
1
 
0020
 
  
SG1
USH-USA-SG2
M
99
 
0030
 
  
Security header
M
1
 
0040
 
  
Security algorithm
C
3
 
0050
 
  
SG2
USC-USA-USR
C
2
 
0060
 
  
Certificate
M
1
 
0070
 
  
Security algorithm
C
3
 
0080
 
  
Security result
C
1
 
0090
 
  
Secured data identification
M
1
 
0100
 
  
SG3
USX-USY
M
9999
 
0110
 
  
Security references
M
1
 
0120
 
  
Security on references
M
9
 
0130
 
  
SG4
UST-USR
M
99
 
0140
 
  
Security trailer
M
1
 
0150
 
  
Security result
C
1
 
0160
 
  
Message trailer
M
1
 
 
 
 
4
  
4.1
4.2
4.3
 
 
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UN D.22B Syntax
  
  
  
  
2022-12-20