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PTK Forensics (PTK) was a non-free, commercial GUI for old versions of the digital forensics tool The Sleuth Kit (TSK). It also includes a number of other software modules for investigating digital media. The software is not developed anymore.

PTK runs as a GUI interface for The Sleuth Kit, acquiring and indexing digital media for investigation. Indexes are stored in an SQL database for searching as part of a digital investigation. PTK calculates a hash signature (using SHA-1 and MD5) for acquired media for verification and consistency purposes. ^[1]

• SourceForge.net download site for PTK