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GA/T 1998-2022: Technical specifications for automobile on-board electronic data acquisition
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GA/T 1998-2022: Technical specifications for automobile on-board electronic data acquisition

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ICS 43:020 CCSA92 People's Republic of China Public Security Industry Standards Technical Specifications for Vehicle Electronic Data Extraction Released on 2022-07-27 2022-10-01 implementation Released by the Ministry of Public Security of the People's Republic of China

table of contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 2 5 Security Requirements 3 6 Vehicle electronic data extraction 3 7 Data extraction of typical automotive electronic equipment 3 8 Data integrity check and save 5 Reference 6

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed and managed by the National Road Traffic Management Standardization Technical Committee (SAC/TC576): This document was drafted by: Research Institute of Traffic Management, Ministry of Public Security, Criminal Technical Detachment, Criminal Investigation Corps, Beijing Municipal Public Security Bureau, Xiamen City Meiya Pico Information Co:, Ltd: The main drafters of this document: Li Yi, Gao Yan, Li Pingfan, Jia Yongsheng, Huang Zhiwei, Song Yaoxin, Yan Yong, Shen Dada, Wei Ran, Yao Bo: Technical Specifications for Vehicle Electronic Data Extraction

1 Scope

This document specifies the general requirements, security requirements, fixed, typical Data extraction methods and requirements for on-board electronic equipment, and data integrity verification and storage requirements: This document applies to the discovery, fixation and extraction of on-board electronic data in automobiles:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 29360 Electronic physical evidence data recovery inspection procedures GB/T 34589 Road vehicle diagnostic connector GA/T 755 Requirements and testing methods for write protection equipment of electronic data storage media

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 car on-board electronic data automobileon-boardelectronicdata In the automotive electronic equipment or related systems, stored, processed, and transmitted in digital form, which can prove the facts of the case data: Note: Common automotive electronic data include but are not limited to those generated by automotive electronic control units, driving recorders, and on-board video driving recording systems: and recorded data: 3:2 Use technical means to discover, fix and collect vehicle electronic data: 3:3 The part of a car that processes information from sensors and issues control commands: 3:4 Consisting of one or more vehicle-mounted electronic modules, it has the functions of monitoring, collecting and recording the vehicle and vehicle before, during and after the collision event: A device or system for the data function of an occupant protection system: [Source: GB 39732-2020, 3:2] 3:5 Record and store vehicle speed, time, location and other data as well as audio and video data, and realize data transmission through data communication ...