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crypto: sha1 - Wrap library and add HMAC support

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Like I did for crypto/sha512.c, rework crypto/sha1_generic.c (renamed to
crypto/sha1.c) to simply wrap the normal library functions instead of
accessing the low-level block function directly.  Also add support for
HMAC-SHA1, again just wrapping the library functions.

Since the replacement crypto_shash algorithms are implemented using the
(potentially arch-optimized) library functions, give them driver names
ending with "-lib" rather than "-generic".  Update crypto/testmgr.c and
an odd driver to take this change in driver name into account.

Note: to see the diff from crypto/sha1_generic.c to crypto/sha1.c, view
this commit with 'git show -M10'.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250712232329.818226-6-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Eric Biggers
2025-07-12 16:22:56 -07:00
parent 4cbc84471b
commit 8bc79ab67d
6 changed files with 145 additions and 90 deletions
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2
crypto/Makefile
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@@ -75,7 +75,7 @@ obj-$(CONFIG_CRYPTO_NULL) += crypto_null.o
obj-$(CONFIG_CRYPTO_MD4) += md4.o
obj-$(CONFIG_CRYPTO_MD5) += md5.o
obj-$(CONFIG_CRYPTO_RMD160) += rmd160.o
obj-$(CONFIG_CRYPTO_SHA1) += sha1_generic.o
obj-$(CONFIG_CRYPTO_SHA1) += sha1.o
obj-$(CONFIG_CRYPTO_SHA256) += sha256.o
obj-$(CONFIG_CRYPTO_SHA512) += sha512.o
obj-$(CONFIG_CRYPTO_SHA3) += sha3_generic.o