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GA/T 1977-2022: Forensic sciences-Technical specifications for computer memory data extraction
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GA/T 1977-2022: Forensic sciences-Technical specifications for computer memory data extraction

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ICS 13.310 CCSA92 People's Republic of China Public Security Industry Standards Forensic Science Computer Memory Data Extraction Inspection Specifications Released on 2022-02-18 2022-06-01 Implementation Released by the Ministry of Public Security of the People's Republic of China

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 by the National Criminal Technology Standardization Technical Committee Electronic Evidence Inspection Sub-Technical Committee (SAC/TC179/SC7) And centralized. This document was drafted by. The Third Research Institute of the Ministry of Public Security, the Network Reconnaissance Technology Research and Development Center of the Ministry of Public Security, the Physical Evidence Identification Center of the Ministry of Public Security, and the Judicial Forensic National Academy of Sciences, Dalian Public Security Bureau, Hebei Provincial Public Security Department, China Criminal Police Academy, and Zhejiang Provincial Public Security Department Criminal Investigation Corps. The main drafters of this document. Wu Songyang, Du Lin, Zhai Xiaofei, Guo Lili, Guo Hong, Shi Shaopei, Liu Haoyang, Han Majian, Luo Wenhua, Jin Meishun. Forensic Science Computer Memory Data Extraction Inspection Specifications

1 Scope

This document specifies the equipment, extraction and inspection steps, and inspection results of memory data extraction and inspection methods in computers in the field of forensic science. expression. This document applies to the examination of data extracted from computer memory in the field of forensic science.

2 Normative references

The contents of the following documents constitute the essential provisions of the documents through normative references in the text. Among them, dated references, Only the version corresponding to the date applies to this document; for undated references, the latest version (including all amendments) applies to this document document. GB/T 29360 Electronic physical evidence data recovery inspection procedures GB/T 29362 Electronic physical evidence data search and inspection rules GA/T 756 Technical Specifications for Forensic Science Electronic Data Collection and Extraction GA/T 976 General Method for Forensic Scientific Appraisal of Electronic Data GA/T 1174 General Method for Field Acquisition of Electronic Evidence Data GA/T 1568 Forensic Science Electronic Evidence Examination Terminology

3 Terms and Definitions

GB/T 29360, GB/T 29362, GA/T 756, GA/T 976, GA/T 1174, GA/T 1568 and the following terms and definitions apply to this document. 3.1 computer memory computer memory The random access memory in the computer is used to temporarily store the calculation data in the CPU and the data exchanged with the external memory such as the hard disk. 3.2 memory mirroring memorymirroring A data file generated by copying memory data bit by bit.

4 devices

4.1 Hardware Electronic physical evidence inspection workstations, read-only interface devices, dedicated storage media, etc. 4.2 Software Memory extraction software, electronic data forensics comprehensive analysis software. ...