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authorAaron Durbin <adurbin@chromium.org>2015-12-15 18:00:30 -0600
committerAaron Durbin <adurbin@chromium.org>2016-01-06 01:12:38 +0100
commit272a1f05b943d781acb8c04c01874bde9df3b774 (patch)
treeb468be08bfa1745cb598a2db4ab5e5b3fb814f98 /Documentation
parent29a04d9ed16a854f3b3a8f98476c91230ce2ba2e (diff)
cbfstool: Add 'hashcbfs' command to compute hash of CBFS region.
For the purposes of maintaining integrity of a CBFS allow one to hash a CBFS over a given region. The hash consists of all file metadata and non-empty file data. The resulting digest is saved to the requested destination region. BUG=chrome-os-partner:48412 BUG=chromium:445938 BRANCH=None TEST=Integrated with glados chrome os build. vboot verification works using the same code to generate the hash in the tooling as well as at runtime on the board in question. Change-Id: Ib0d6bf668ffd6618f5f73e1217bdef404074dbfc Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12790 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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