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lib/crypto: arm64/sha3: Migrate optimized code into library

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Instead of exposing the arm64-optimized SHA-3 code via arm64-specific
crypto_shash algorithms, instead just implement the sha3_absorb_blocks()
and sha3_keccakf() library functions.  This is much simpler, it makes
the SHA-3 library functions be arm64-optimized, and it fixes the
longstanding issue where the arm64-optimized SHA-3 code was disabled by
default.  SHA-3 still remains available through crypto_shash, but
individual architectures no longer need to handle it.

Note: to see the diff from arch/arm64/crypto/sha3-ce-glue.c to
lib/crypto/arm64/sha3.h, view this commit with 'git show -M10'.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251026055032.1413733-10-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Eric Biggers
2025-10-25 22:50:26 -07:00
parent be755eb2b0
commit 1e29a75057
8 changed files with 73 additions and 165 deletions
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2
arch/arm64/configs/defconfig
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@@ -1783,10 +1783,10 @@ CONFIG_CRYPTO_CHACHA20=m
CONFIG_CRYPTO_BENCHMARK=m
CONFIG_CRYPTO_ECHAINIV=y
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_SHA3=m
CONFIG_CRYPTO_ANSI_CPRNG=y
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_GHASH_ARM64_CE=y
CONFIG_CRYPTO_SHA3_ARM64=m
CONFIG_CRYPTO_SM3_ARM64_CE=m
CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
CONFIG_CRYPTO_AES_ARM64_BS=m