IEC TS 62351-100-1:2018
(Main)Power systems management and associated information exchange - Data and communications security - Part 100-1: Conformance test cases for IEC TS 62351-5 and IEC TS 60870-5-7
Power systems management and associated information exchange - Data and communications security - Part 100-1: Conformance test cases for IEC TS 62351-5 and IEC TS 60870-5-7
IEC TS 62351-100-1:2018(E), which is a technical specification, describes test cases of data and communication security for telecontrol equipment, substation automation systems (SAS) and telecontrol systems, including front-end functions of SCADA.
The goal of this document is to enable interoperability by providing a standard method of testing protocol implementations to verify that a device fulfils the requirement of the standard. Note that conformity to the standard does not guarantee interoperability between devices using different implementations. It is expected that using this specification during testing will minimize the risk of non-interoperability. A basic condition for this interoperability is a passed conformance test of both devices.
The scope of this document is to specify commonly available procedures and definitions for conformance and/or interoperability testing of IEC TS 62351-5 and IEC TS 60870-5-7. The conformance test cases defined herein are focused to verify the conformant integration of the underlying authentication, as specified in IEC TS 62351-5 and IEC TS 60870-5-7, to protect IEC 60870-5-101 and IEC 6870-5-104-based communications.
This document deals with data and communication security conformance testing; therefore, other requirements, such as safety or EMC, are not covered. These requirements are covered by other standards (if applicable) and the proof of compliance for these topics is done according to these standards.
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IEC TS 62351-100-1 ®
Edition 1.0 2018-11
TECHNICAL
SPECIFICATION
colour
inside
Power systems management and associated information exchange – Data and
communications security –
Part 100-1: Conformance test cases for IEC TS 62351-5 and IEC TS 60870-5-7
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IEC TS 62351-100-1 ®
Edition 1.0 2018-11
TECHNICAL
SPECIFICATION
colour
inside
Power systems management and associated information exchange – Data and
communications security –
Part 100-1: Conformance test cases for IEC TS 62351-5 and IEC TS 60870-5-7
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.200 ISBN 978-2-8322-6182-8
– 2 – IEC TS 62351-100-1:2018 © IEC 2018
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms, definitions and abbreviated terms . 10
3.1 Terms and definitions. 10
3.2 Abbreviated terms . 12
4 General . 12
4.1 Normatives covered by this technical specification . 12
4.2 Conformance testing structure . 12
4.2.1 General . 12
4.2.2 Conformance testing of security extension procedures . 13
4.2.3 Conformance testing addressed per station type . 14
4.2.4 Normal procedure tests and resiliency tests . 14
4.3 Conformance testing requirements . 14
4.3.1 Testing base protocols with security extension. . 14
4.3.2 Testing of profiles including TCP/IP . 14
4.3.3 Requirements for the device under test . 14
4.3.4 Requirements for the test facility . 15
4.3.5 Test logging . 15
5 Verification of configuration parameters . 16
5.1 General . 16
5.2 System definition . 16
5.3 Application security extension . 18
6 Verification of Communication . 21
6.1 General . 21
6.2 ASDU segmentation control . 21
6.3 Verification of ASDUs . 23
6.3.1 User management ASDUs . 23
6.3.2 Update key maintenance ASDUs . 26
6.3.3 Session key maintenance ASDUs . 32
6.3.4 Challenge/reply and aggressive mode authentication ASDUs . 35
6.3.5 Security statistics ASDU . 39
7 Verification of procedures . 39
7.1 General . 39
7.2 User management . 40
7.2.1 General . 40
7.2.2 Controlling station. 41
7.2.3 Controlled station . 43
7.3 Update key maintenance - Symmetric . 48
7.3.1 General . 48
7.3.2 Controlling station. 48
7.3.3 Controlled station . 52
7.4 Update key maintenance - Asymmetric . 54
7.4.1 General . 54
7.4.2 Controlling station. 55
7.4.3 Controlled station . 59
7.5 Session key maintenance . 61
7.5.1 General . 61
7.5.2 Controlling station. 62
7.5.3 Controlled station . 67
7.6 Challenge/reply authentication . 69
7.6.1 General . 69
7.6.2 Controlling station. 70
7.6.3 Controlled station . 76
7.7 Aggressive mode authentication . 80
7.7.1 General . 80
7.7.2 Controlling station. 81
7.7.3 Controlled station . 84
8 Tests results chart . 87
8.1 Verification of configuration parameters . 87
8.2 Verification of communication . 88
8.2.1 ASDUs segmentation control . 88
8.2.2 User management ASDUs . 89
8.2.3 Update key maintenance ASDUs . 90
8.2.4 Session key maintenance ASDUs . 92
8.2.5 Challenge/reply and aggressive mode authentication ASDUs . 93
8.2.6 Security statistics ASDU . 94
8.3 Verification of procedures . 95
8.3.1 User management . 95
8.3.2 Update key maintenance - Symmetric . 98
8.3.3 Update key maintenance - Asymmetric . 100
8.3.4 Session key maintenance . 102
8.3.5 Challenge/reply authentication . 105
8.3.6 Aggressive mode authentication . 109
Figure 1 – IEC TS 62351-5 Security extension procedures . 13
Table 1 – Configuration parameters: System definition . 17
Table 2 – Configuration parameters: Application security extension . 19
Table 3 – ASDU segmentation control. 22
Table 4 – User management ASDUs . 23
Table 5 – Update key maintenance ASDUs . 26
Table 6 – Session key maintenance ASDUs . 32
Table 7 – Challenge/reply and aggressive mode authentication ASDUs . 35
Table 8 – Security statistics ASDU . 39
Table 9 – User management: Controlling station normal procedure tests . 41
Table 10 – User management: Controlling station resiliency tests . 42
Table 11 – User management: Controlled station normal procedure tests . 43
Table 12 – User management: Controlled station resiliency tests . 44
Table 13 – Update key maintenance - Symmetric: Controlling station triggering
conditions . 48
– 4 – IEC TS 62351-100-1:2018 © IEC 2018
Table 14 – Update key maintenance - Symmetric: Controlling station normal procedure
tests . 49
Table 15 – Update key maintenance - Symmetric: Controlling station resiliency tests . 50
Table 16 – Update key maintenance - Symmetric: Controlled station normal
...
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