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author | Jakob Unterwurzacher | 2017-08-11 18:42:30 +0200 |
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committer | Jakob Unterwurzacher | 2017-08-11 19:02:26 +0200 |
commit | 0c520845f3623eff28f0277a52e3ccffd928f5c2 (patch) | |
tree | 82a3e0f8c55ae980d29e33b230954638229089c9 /Documentation/CLI_ABI.md | |
parent | f59479736bed49411bda3368f419d6605f1faa78 (diff) |
main: purge masterkey from memory as soon as possible
Remove the "Masterkey" field from fusefrontend.Args because it
should not be stored longer than neccessary. Instead pass the
masterkey as a separate argument to the filesystem initializers.
Then overwrite it with zeros immediately so we don't have
to wait for garbage collection.
Note that the crypto implementation still stores at least a
masterkey-derived value, so this change makes it harder, but not
impossible, to extract the encryption keys from memory.
Suggested at https://github.com/rfjakob/gocryptfs/issues/137
Diffstat (limited to 'Documentation/CLI_ABI.md')
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