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Message-ID: <X/OUt7+wGGEPkWh8@sol.localdomain>
Date:   Mon, 4 Jan 2021 14:20:39 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Stephan Müller <smueller@...onox.de>
Cc:     herbert@...dor.apana.org.au, mathew.j.martineau@...ux.intel.com,
        dhowells@...hat.com, linux-crypto@...r.kernel.org,
        linux-fscrypt@...r.kernel.org, linux-kernel@...r.kernel.org,
        keyrings@...r.kernel.org
Subject: Re: [PATCH 0/5] Add KDF implementations to crypto API

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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