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Digital Evidence Bags
The Digital Evidence Bag (DEB) format mimics in a digital environment the bags, tags and seals used to traditionally wrap evidence.
When a DEB is created three files are generated:
- A .tag file which is plain text and stores case specific metadata such and evidence reference identifier, examiner, location, timestamps and tag continuity blocks that record DEB access activity. In addition to this the tag file contains the cryptographic hashes (seals) that are used to maintain and assure the integrity of the DEB structure.
- An .index file is a plain text file that records device, file or data source metadata.
- A .bag file that holds the evidential data e.g. the raw device bit stream, logical files, network packet capture data.