Google Volleys Latest FS-VERITY Code For Transparent Integrity/Authenticity Of Files
One of the new Linux kernel features Google engineers have been working on is fs-verity for read-only file-based authenticity protection. Fs-verity is similar to dm-verity with a similar aim but is designed to work on a per-file basis for read-write file-systems rather than at the block level.
Fs-verity supports transparent integrity and authenticity protection of read-only file-systems. User-space appends a Merkle hash tree to a file and an ioctl allows enabling fs-verity on the per-file basis. All reads are then verified against the hash file and only allowed through if the verification passes.
Also: Chrome 72 Poised To Have Some Wayland Performance Improvements
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