Garfinkel of Basis Technology Corporation Design goals Provide compressed or uncompressed image files No size restriction for disk-to-image files Provide space in the image file or segmented files for metadata Simple design with extensibility Open source for multiple platforms and Oss File extensions include.afd for segmented image files and.afm for AFF metadata Guide to Computer Forensics and Investigations6 Advanced Forensics Format Developed by Dr.
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Guide to Computer Forensics and Investigations5 Proprietary Formats Features offered Option to compress or not compress image files Can split an image into smaller segmented files Can integrate metadata into the image file Disadvantages Inability to share an image between different tools File size limitation for each segmented volume.Guide to Computer Forensics and Investigations4 Raw Format Makes it possible to write bit-stream data to files Advantages Fast data transfers Can ignore minor data read errors on source drive Most computer forensics tools can read raw format Disadvantages Requires as much storage as original disk or data Tools might not collect marginal (bad) sectors.Guide to Computer Forensics and Investigations3 Understanding Storage Formats for Digital Evidence Three formats Raw format Proprietary formats Advanced Forensics Format (AFF).
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