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crypto: blake2b - Reimplement using library API

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Replace blake2b_generic.c with a new file blake2b.c which implements the
BLAKE2b crypto_shash algorithms on top of the BLAKE2b library API.

Change the driver name suffix from "-generic" to "-lib" to reflect that
these algorithms now just use the (possibly arch-optimized) library.

This closely mirrors crypto/{md5,sha1,sha256,sha512}.c.

Remove include/crypto/internal/blake2b.h since it is no longer used.
Likewise, remove struct blake2b_state from include/crypto/blake2b.h.

Omit support for import_core and export_core, since there are no legacy
drivers that need these for these algorithms.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251018043106.375964-10-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Eric Biggers
2025-10-17 21:31:05 -07:00
parent ba6617bd47
commit fa3ca9bfe3
7 changed files with 117 additions and 320 deletions
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1
crypto/Kconfig
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@@ -881,6 +881,7 @@ menu "Hashes, digests, and MACs"
config CRYPTO_BLAKE2B
tristate "BLAKE2b"
select CRYPTO_HASH
select CRYPTO_LIB_BLAKE2B
help
BLAKE2b cryptographic hash function (RFC 7693)