Holepunch: Fast, Secure File Deletion with Crash Consistency

ePrint Report: Holepunch: Fast, Secure File Deletion with Crash Consistency

Zachary Ratliff, Wittmann Goh, Abe Wieland, James Mickens, Ryan Williams

A file system provides secure deletion if, after a file is deleted, an attacker with physical possession of the storage device cannot recover any data from the deleted file. Unfortunately, secure deletion is not provided by commodity file systems. Even file systems which explicitly desire to provide secure deletion are challenged by the subtleties of hardware controllers on modern storage …

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