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7cceca8b25
Add the missing support for ciphertext stealing in the implementation of AES-XTS, which is part of the XTS specification but was omitted up until now due to lack of a need for it. The asm helpers are updated so they can deal with any input size, as long as the last full block and the final partial block are presented at the same time. The glue code is updated so that the common case of operating on a sector or page is mostly as before. When CTS is needed, the walk is split up into two pieces, unless the entire input is covered by a single step. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.