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c5931d590e
When generating keying material during an authentication transaction (secure channel concatenation), the HKDF-Expand-Label function is part of the specified key derivation process. The current open-coded implementation misses the length prefix requirements on the HkdfLabel label and context variable-length vectors (RFC 8446 Section 3.4). Instead, use the hkdf_expand_label() function. Signed-off-by: Chris Leech <cleech@redhat.com> Signed-off-by: Hannes Reinecke <hare@kernel.org> Signed-off-by: Keith Busch <kbusch@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.