The realization of digital forensics identification workflow audit and custody system

Digital evidence gradually turns into a new type lawsuit evidence. The research on digital forensics technologies focus on evidence search, recovery and data analysis, while legality, authenticity and integrality of forensics process doesn't get supervised. In this paper, on the basis of forensic steps and process research, the author intends to illustrate modeling social auditing work and designing a system to monitor digital forensics verification workflow to solve the problem of chain of custody in the process of digital evidence acquisition, transfer, storage and analysis.