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As a sanity check, verify that the allocated crypto_skcipher actually has the ivsize that fscrypt is assuming it has. This will always be the case unless there's a bug. But if there ever is such a bug (e.g. like there was in earlier versions of the ESSIV conversion patch [1]) it's preferable for it to be immediately obvious, and not rely on the ciphertext verification tests failing due to uninitialized IV bytes. [1] https://lkml.kernel.org/linux-crypto/20190702215517.GA69157@gmail.com/ Link: https://lore.kernel.org/r/20191209203918.225691-1-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.