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GB/T 40856-2021 (GB/T40856-2021, GBT 40856-2021, GBT40856-2021) & related versions
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GB/T 40856-2021: PDF in English (GBT 40856-2021)
GB/T 40856-2021
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
CCS T 40
Technical Requirements and Test Methods for
Cybersecurity of On-board Information Interactive
System
ISSUED ON: OCTOBER 11, 2021
IMPLEMENTED ON: MAY 1, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative References ... 4 
3 Terms and Definitions ... 4 
4 Abbreviations ... 6 
5 Technical Requirements ... 7 
5.1 Security Requirements for Hardware ... 7 
5.2 Security Requirements for Communication Protocols and Interfaces ... 8 
5.3 Security Requirements for Operating System ... 11 
5.4 Security Requirements for Application Software ... 16 
5.5 Security Requirements for Data ... 19 
6 Test Methods ... 21 
6.1 Hardware Security Test ... 21 
6.2 Security Test of Communication Protocols and Interfaces ... 22 
6.3 Security Test of Operating System ... 25 
6.4 Security Test of Application Software ... 30 
6.5 Data Security Test ... 33 
Appendix A (informative) Schematic Diagram of On-board Information
Interactive System ... 36 
Technical Requirements and Test Methods for
Cybersecurity of On-board Information Interactive
System
1 Scope
This Standard specifies the technical requirements and test methods for the
cybersecurity of hardware, communication protocols and interfaces, operating systems,
application software and data of on-board information interactive system.
This Standard is applicable to the guidance of original equipment manufacturers,
component suppliers and software suppliers in the implementation of the design,
development, verification and production for the information security technology of on-
board information interactive system.
2 Normative References
The contents of the following documents constitute indispensable clauses of this
document through normative references in the text. In terms of references with a
specified date, only versions with a specified date are applicable to this document. In
terms of references without a specified date, the latest version (including all the
modifications) is applicable to this document.
GB/T 25069 Information Security Technology - Glossary
GB/T 40861 General Technical Requirements for Vehicle Cybersecurity
GM/T 0005-2012 Randomness Test Specification
3 Terms and Definitions
What is defined in GB/T 25069 and GB/T 40861, and the following terms and
definitions are applicable to this document.
3.1 On-board Information Interactive System
On-board information interactive system refers to a communication system installed
on the vehicle and with at least one of the following functions:
a) Externally, it can establish connections and perform data exchange functions
through communication technologies, such as cellular networks and short-
distance communications. Internally, it can perform functions, such as:
storage and transmission of sensitive personal information used by the on-board
information interactive system shall reduce the number of exposed pins.
5.1.3 In accordance with 6.1 d), perform the test. The number of exposed
communication lines shall be reduced among the key chips used by the on-board
information interactive system. For example, the on-board information interactive
system using multi-layer circuit boards may adopt the mode of internal wiring to
conceal the communication lines.
5.1.4 In accordance with 6.1 e), perform the test. The circuit boards and chips should
not expose readable screen printings that are used to mark the port and pin functions.
5.2 Security Requirements for Communication Protocols and Interfaces
5.2.1 Security of external communication
5.2.1.1 Security of communication connection
In accordance with 6.2.1.1 a), perform the test. The on-board information interactive
system shall implement identity authentication of the platform server or the external
terminal. When the identity authentication is successful, in accordance with 6.2.1.1 b),
perform the test, and the on-board information interactive system and the platform
server or the external terminal can realize communication and interaction of business
data.
5.2.1.2 Security of communication transmission
In accordance with 6.2.1.2, perform the test. The data content transmitted between the
on-board information interactive system and the platform server or the external
terminal shall be encrypted, and the national encryption algorithm should be used.
5.2.1.3 Security of communication termination response
When communicating with the on-board information interactive system, the following
requirement shall be satisfied:
a) In accordance with 6.2.1.3 a), perform the test. When the data content
verification fails, the response operation shall be terminated;
b) In accordance with 6.2.1.3 b), perform the test. When the identity
authentication fails, the response operation shall be terminated.
5.2.1.4 Security of telecommunication protocol
5.2.1.4.1 Security of on-board public telecommunication protocol
The on-board public telecommunication protocol shall be tested in accordance with
6.2.1.4.1. A secure communication protocol with TLS 1.2 version and above, or at least
the same level of security shall be adopted.
5.2.1.4.2 Security of on-board private telecommunication protocol
The on-board private telecommunication protocol shall satisfy the following
requirements:
a) In accordance with 6.2.1.4.2 a), perform the test. It shall support the update
of data encryption keys in a secure mode;
b) In accordance with 6.2.1.4.2 b), perform the test. The used keys shall be
securely transmitted.
5.2.1.5 Security of short-distance communication protocol
5.2.1.5.1 Security of short-distance communication password application
The security of short-distance communication password application shall satisfy the
following requirements:
a) In accordance with 6.2.1.5.1 a), perform the test. The default password shall
be a strong-complexity password that includes at least Arabic numerals,
uppercase and lowercase Latin letters, and a length of not less than 8 digits;
NOTE: Bluetooth is not limited to the requirements of the above clause.
b) In accordance with 6.2.1.5.1 b), perform the test. Different on-board
information interactive systems shall use different default passwords;
c) In accordance with 6.2.1.5.1 c), perform the test. When changing the
password, restrict the user in the setting of the password required by a) or
prompt the user of risks;
NOTE: Bluetooth is not limited to the requirements of the above clause.
d) In accordance with 6.2.1.5.1 d), perform the test. For the login authentication
of the human-machine interface or the interface between different on-board
information interactive systems across the trust network, the password anti-
brute force cracking mechanism shall be supported. In addition, in accordance
with 6.2.1.5.1 e), perform the test; the password file shall be set with security
access control.
5.2.1.5.2 Security of on-board Bluetooth communication protocol
The on-board information interactive system with on-board Bluetooth communication
function shall satisfy the following requirements:
a) In accordance with 6.2.1.5.2 a), perform the test. The on-board information
5.2.3.2.1 In accordance with 6.2.3.2 a), perform the test. The on-board information
interactive system shall support routing isolation; isolate the communication of the core
business platform that executes the vehicle control commands and collects personal
sensitive information; isolate the internal communication of the non-core business
platform in the internal communication and the external network communication of the
non-core business platform in the external communication.
NOTE: non-core business platform refers to a business platform other than the core
business platform.
5.2.3.2.2 In accordance with 6.2.3.2 b), perform the test. The communication between
the on-board information interactive system and the core business platform capable of
executing the vehicle control commands and collecting personal sensitive information
should adopt private network or virtual private network communication, which is
isolated from the public network.
5.2.3.3 Security of communication interface in the vehicle
The on-board information interactive system shall satisfy the following requirements:
a) In accordance with 6.2.3.3 a), perform the test; set a whitelist for legal
commands;
b) In accordance with 6.2.3.3 b), perform the test; verify the source of the bus
control command.
5.3 Security Requirements for Operating System
5.3.1 Security configuration of operating system
In terms of the security configuration of operating system, the on-board information
interactive system shall satisfy the following requirements:
a) In accordance with 6.3.1 a), perform the test; prohibit the highest-privileged
users from directly logging in, and restrict ordinary users’ privilege escalation
operations;
b) In accordance with 6.3.1 b), perform the test; delete or disable useless
accounts; use a strong-complexity password that includes at least Arabic
numerals, uppercase and lowercase Latin letters, and a length of not less than
8 digits;
c) In accordance with 6.3.1 c), perform the test; have an access control
mechanism to control users, processes and other subjects to access files,
databases and other objects;
d) In accordance with 6.3.1 d), perform the test; prohibit unnecessary services,
for example, FTP services, etc.; in accordance with 6.3.1 e), perform the test;
prohibit unauthorized remote access services.
5.3.2 Secure invocation control capability
5.3.2.1 Communication function control mechanism
5.3.2.1.1 Making calls
The on-board information interactive system with the function of making calls shall
satisfy the following requirements:
a) In accordance with 6.3.2.1.1 a), perform the test. The invocation of the
operation of making callings can only be executed after the user expressly
consents;
b) In accordance with 6.3.2.1.1 b), perform the test. The invocation of the
operation of calling for call forwarding service can only be executed after the
content of the service is clearly indicated to the user and the user expressly
consents.
NOTE: in emergency situations, emergency functions, for example, E-Call, are not
limited to the requirements of the above clause.
5.3.2.1.2 Three-way calling
The on-board information interactive system with three-way calling function shall be
tested in accordance with 6.3.2.1.2. The invocation of the operation of three-way
calling can only be executed after the user expressly consents.
5.3.2.1.3 Sending short messages
The on-board information interactive system with the function of sending short
messages shall be tested in accordance with 6.3.2.1.3. The invocation of the operation
of sending short messages can only be executed after the user expressly consents.
NOTE: in emergency situations, emergency functions, for example, E-Call, are not
limited to the requirements of the above clause.
5.3.2.1.4 Sending multimedia messages
The on-board information interactive system with the function of sending multimedia
messages shall be tested in accordance with 6.3.2.1.4. The invocation of the operation
of sending multimedia messages can only be executed after the user expressly
consents.
5.3.2.1.5 Sending emails
The on-board information interactive system with the function of sending emails shall
d) When data is being transmitted, in accordance with 6.3.2.1.7 d), perform the
test. The user shall be prompted with the corresponding status on the
interactive interface;
e) In the above-mentioned c) and d), in accordance with 6.3.2.1.7 e), perform
the test. The mode of status prompt shall be different.
5.3.2.2 Local sensitive function control mechanism
5.3.2.2.1 Positioning function
The on-board information interactive system with an interactive interface shall satisfy
the following requirements when invoking the positioning function:
a) In accordance with 6.3.2.2.1 a), perform the test. The positioning function can
only be executed after the user expressly consents;
b) In accordance with 6.3.2.2.1 b), perform the test. Provide the user with the
background positioning control function to configure whether the application
software can invoke the positioning function;
c) In the above-mentioned a) and b), in accordance with 6.3.2.2.1 c), perform
the test. Let the user separately operate.
d) When invoking the positioning function, in accordance with 6.3.2.2.1 d),
perform the test. The user should be prompted with the corresponding status
on the interactive interface.
5.3.2.2.2 Function of call recording
When invoking the call recording function, the on-board information interactive system
with an interactive interface shall be tested in accordance with 6.3.2.2.2. The function
of call recording can only be executed after the user expressly consents.
5.3.2.2.3 Function of human-machine interaction
When invoking the function of human-machine interaction, the on-board information
interactive system with an interactive interface shall be tested in accordance with
6.3.2.2.3. The function of human-machine interaction can only be executed after the
user expressly consents.
NOTE: the human-machine interaction function here refers to the interaction function
involving personal biometric information, such as: fingerprints, voices, images and
videos, etc.
5.3.2.2.4 Operation of user data
When processing user data, in accordance with 6.3.2.2.4, perform the test. The
operating system shall be accordingly authorized, for example, when the application
software needs to invoke the reading or writing operation of phone book data, call
records, Internet-accessing records, short message data and multimedia message
data, the operating system shall be executable under the authorization of the
application software.
5.3.3 Secure startup of operating system
The on-board information interactive system shall satisfy the following requirements:
a) In accordance with 6.3.3 a), perform the test. The startup of the operating
system shall start with a root of trust that cannot be modified;
b) In accordance with 6.3.3 b), perform the test. The on-board operating system
can only be loaded after the operating system signature is verified in the
trusted storage area, so as to prevent the loading of a tampered operating
system;
c) Before executing other secure startup codes, in accordance with 6.3.3 c),
perform the test; the integrity of the code shall be verified.
5.3.4 Update of operating system
The on-board information interactive system shall satisfy the following requirements:
a) In accordance with 6.3.4 a), perform the test. It shall have the anti-rollback
verification function of the system mirror;
b) When the installation of the updated mirror image fails, in accordance with
6.3.4 b), perform the test. It shall restore to the version before the update or
enter a secure status;
NOTE: the secure status refers to the status, in which, security threats are not
introduced to the entire vehicle through the on-board information interactive
system.
c) In accordance with 6.3.4 c) and d), perform the test. There shall be a security
mechanism to verify the integrity of the updated mirror image and the reliability
of the source.
5.3.5 Isolation of operating system
In accordance with 6.3.5, perform the test. Except for necessary interfaces and data,
such as: functions like making calls and data like phone books and short messages,
which can be shared, there shall be no communication between multi-operating
systems with preset functions in parallel.
5.3.6 Security management of operating system
b) In accordance with 6.4.1 b), perform the test. There shall be no high-risk and
above security vulnerabilities that were announced by the authoritative
vulnerability platform 6 months ago and have not been dealt with;
NOTE: the dealing includes modes like eliminating vulnerabilities and formulating
mitigation measures, etc.
c) In accordance with 6.4.1 c), perform the test. There shall be no malicious
behaviors, such as: unauthorized collection or disclosure of personal sensitive
information and unauthorized data transmission, etc.;
d) In accordance with 6.4.1 d), perform the test. Sensitive personal information
shall not be stored in plain text;
e) In accordance with 6.4.1 e), perform the test. It shall have a session security
protection mechanism, for example, a mechanism that randomly generates
session ID;
f) In accordance with 6.4.1 f), perform the test. Use a strong-complexity
password that includes at least Arabic numerals, uppercase and lowercase
Latin letters, and a length of not less than 8 digits, or prompt the user of risks;
g) In accordance with 6.4.1 g), perform the test. It shall comply with the
cryptographic requirements and shall not directly write the private key in the
code; in accordance with 6.4.1 h), perform the test; use verified and secure
encryption algorithms and parameters; in accordance with 6.4.1 i), perform
the test; the same key shall not be repeatedly used for different purposes;
h) In accordance with 6.4.1 j), perform the test. The used random number shall
comply with GM/T 0005-2012 and other related standards on random number
and shall be ensured to be generated by a verified and secure random number
generator.
5.4.2 Security of application software code
The security of application software code on the on-board information interactive
system shall satisfy the following requirements:
a) In accordance with 6.4.2 a), perform the test. When using third-party
components, the application software developer shall identify the already-
known vulnerabilities in the public vulnerability database and install patches;
b) For unmanaged code, in accordance with 6.4.2 b), perform the test. The
secure allocation, usage and release of memory space shall be ensured;
c) In accordance with 6.4.2 c), perform the test. The application software
installation package shall adopt a code signing authentication mechanism;
......

BASIC DATA
Standard ID GB/T 40856-2021 (GB/T40856-2021)
Description (Translated English) Technical requirements and test methods for cybersecurity of on-board information interactive system
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard T40
Classification of International Standard 43.020
Word Count Estimation 21,244
Date of Issue 2021-10-11
Date of Implementation 2022-05-01
Drafting Organization China Automotive Technology Research Center Co., Ltd., Beijing New Energy Automobile Co., Ltd., Huawei Technologies Co., Ltd., China Academy of Information and Communications Technology, China FAW Co., Ltd., Infineon Technologies (China) Co., Ltd., Beijing Qihoo Technology Co., Ltd. Company, China National Automobile (Beijing) Intelligent Connected Automobile Research Institute Co., Ltd., SAIC Volkswagen Co., Ltd., Beijing Baidu Netcom Technology Co., Ltd., SAIC Motor Group Co., Ltd. Technology Center, National Computer Network Emergency Technology Coordination Center, Chongqing Changan Automobile Co., Ltd., Southeast (Fujian) Automobile Industry Co., Ltd., Zhejiang Geely Automobile Research Institute Co., Ltd., Beijing Institute of Technology Xinyuan Information Technology Co., Ltd., SAIC-GM-Wuling Automobile Co., Ltd.
Administrative Organization National Automotive Standardization Technical Committee (SAC/TC 114)
Proposing organization Ministry of Industry and Information Technology of the People's Republic of China
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration