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lib/crypto: sparc/sha1: Migrate optimized code into library

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Instead of exposing the sparc-optimized SHA-1 code via sparc-specific
crypto_shash algorithms, instead just implement the sha1_blocks()
library function.  This is much simpler, it makes the SHA-1 library
functions be sparc-optimized, and it fixes the longstanding issue where
the sparc-optimized SHA-1 code was disabled by default.  SHA-1 still
remains available through crypto_shash, but individual architectures no
longer need to handle it.

Note: to see the diff from arch/sparc/crypto/sha1_glue.c to
lib/crypto/sparc/sha1.h, view this commit with 'git show -M10'.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250712232329.818226-13-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Eric Biggers
2025-07-12 16:23:03 -07:00
parent 377982d561
commit c751059985
7 changed files with 45 additions and 106 deletions
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1
lib/crypto/Makefile
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@@ -81,6 +81,7 @@ ifeq ($(CONFIG_PPC),y)
libsha1-y += powerpc/sha1-powerpc-asm.o
libsha1-$(CONFIG_SPE) += powerpc/sha1-spe-asm.o
endif
libsha1-$(CONFIG_SPARC) += sparc/sha1_asm.o
endif # CONFIG_CRYPTO_LIB_SHA1_ARCH
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