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A couple more small cleanups to the BLAKE2s code before these things get
propagated into the BLAKE2b code:
- Drop 'const' from some non-pointer function parameters. It was a bit
excessive and not conventional.
- Rename 'block' argument of blake2s_compress*() to 'data'. This is for
consistency with the SHA-* code, and also to avoid the implication
that it points to a singular "block".
No functional changes.
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251018043106.375964-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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For consistency with the SHA-1, SHA-2, SHA-3 (in development), and MD5
library APIs, rename blake2s_state to blake2s_ctx.
As a refresher, the ctx name:
- Is a bit shorter.
- Avoids confusion with the compression function state, which is also
often called the state (but is just part of the full context).
- Is consistent with OpenSSL.
Not a big deal, of course. But consistency is nice. With a BLAKE2b
library API about to be added, this is a convenient time to update this.
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251018043106.375964-3-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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As was done with the other algorithms, reorganize the BLAKE2s code so
that the generic implementation and the arch-specific "glue" code is
consolidated into a single translation unit, so that the compiler will
inline the functions and automatically decide whether to include the
generic code in the resulting binary or not.
Similarly, also consolidate the build rules into
lib/crypto/{Makefile,Kconfig}. This removes the last uses of
lib/crypto/{arm,x86}/{Makefile,Kconfig}, so remove those too.
Don't keep the !KMSAN dependency. It was needed only for other
algorithms such as ChaCha that initialize memory from assembly code.
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250827151131.27733-12-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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