On Mon, Jan 04, 2021 at 10:45:57PM +0100, Stephan Müller wrote: > The HKDF addition is used to replace the implementation in the filesystem > crypto extension. This code was tested by using an EXT4 encrypted file > system that was created and contains files written to by the current > implementation. Using the new implementation a successful read of the > existing files was possible and new files / directories were created > and read successfully. These newly added file system objects could be > successfully read using the current code. Yet if there is a test suite > to validate whether the invokcation of the HKDF calculates the same > result as the existing implementation, I would be happy to validate > the implementation accordingly. See https://www.kernel.org/doc/html/latest/filesystems/fscrypt.html#tests for how to run the fscrypt tests. 'kvm-xfstests -c ext4 generic/582' should be enough for this, though you could run all the tests if you want. - Eric
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