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950e5c8411
As has been done for various other algorithms, rework the design of the SHA-256 library to support arch-optimized implementations, and make crypto/sha256.c expose both generic and arch-optimized shash algorithms that wrap the library functions. This allows users of the SHA-256 library functions to take advantage of the arch-optimized code, and this makes it much simpler to integrate SHA-256 for each architecture. Note that sha256_base.h is not used in the new design. It will be removed once all the architecture-specific code has been updated. Move the generic block function into its own module to avoid a circular dependency from libsha256.ko => sha256-$ARCH.ko => libsha256.ko. Signed-off-by: Eric Biggers <ebiggers@google.com> Add export and import functions to maintain existing export format. 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 reStructuredText 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.