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64a7cfbcf5
Now that there are easy-to-use HMAC-SHA256 library functions, use these in tpm2-sessions.c instead of open-coding the HMAC algorithm. Note that the new implementation correctly handles keys longer than 64 bytes (SHA256_BLOCK_SIZE), whereas the old implementation handled such keys incorrectly. But it doesn't appear that such keys were being used. Signed-off-by: Eric Biggers <ebiggers@kernel.org> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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.