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0593447248
Add SHA-3 support to lib/crypto/. All six algorithms in the SHA-3
family are supported: four digests (SHA3-224, SHA3-256, SHA3-384, and
SHA3-512) and two extendable-output functions (SHAKE128 and SHAKE256).
The SHAKE algorithms will be required for ML-DSA.
[EB: simplified the API to use fewer types and functions, fixed bug that
sometimes caused incorrect SHAKE output, cleaned up the
documentation, dropped an ad-hoc test that was inconsistent with
the rest of lib/crypto/, and many other cleanups]
Signed-off-by: David Howells <dhowells@redhat.com>
Co-developed-by: Eric Biggers <ebiggers@kernel.org>
Tested-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251026055032.1413733-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>