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crypto: s390/sha256 - implement library instead of shash

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Instead of providing crypto_shash algorithms for the arch-optimized
SHA-256 code, instead implement the SHA-256 library.  This is much
simpler, it makes the SHA-256 library functions be arch-optimized, and
it fixes the longstanding issue where the arch-optimized SHA-256 was
disabled by default.  SHA-256 still remains available through
crypto_shash, but individual architectures no longer need to handle it.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
2025-04-28 10:00:33 -07:00
committed by Herbert Xu
parent bf52d93865
commit b9eac03edc
8 changed files with 55 additions and 157 deletions
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arch/s390/configs/debug_defconfig
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@@ -795,7 +795,6 @@ CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_USER_API_AEAD=m
CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_SHA1_S390=m
CONFIG_CRYPTO_SHA256_S390=m
CONFIG_CRYPTO_SHA3_256_S390=m
CONFIG_CRYPTO_SHA3_512_S390=m
CONFIG_CRYPTO_GHASH_S390=m