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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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6
crypto/testmgr.c
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@@ -4237,6 +4237,7 @@ static const struct alg_test_desc alg_test_descs[] = {
}
}, {
.alg = "authenc(hmac(sha1),cbc(aes))",
.generic_driver = "authenc(hmac-sha1-lib,cbc(aes-generic))",
.test = alg_test_aead,
.fips_allowed = 1,
.suite = {
@@ -4244,12 +4245,14 @@ static const struct alg_test_desc alg_test_descs[] = {
}
}, {
.alg = "authenc(hmac(sha1),cbc(des))",
.generic_driver = "authenc(hmac-sha1-lib,cbc(des-generic))",
.test = alg_test_aead,
.suite = {
.aead = __VECS(hmac_sha1_des_cbc_tv_temp)
}
}, {
.alg = "authenc(hmac(sha1),cbc(des3_ede))",
.generic_driver = "authenc(hmac-sha1-lib,cbc(des3_ede-generic))",
.test = alg_test_aead,
.suite = {
.aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
@@ -4260,6 +4263,7 @@ static const struct alg_test_desc alg_test_descs[] = {
.fips_allowed = 1,
}, {
.alg = "authenc(hmac(sha1),ecb(cipher_null))",
.generic_driver = "authenc(hmac-sha1-lib,ecb-cipher_null)",
.test = alg_test_aead,
.suite = {
.aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
@@ -5122,6 +5126,7 @@ static const struct alg_test_desc alg_test_descs[] = {
}
}, {
.alg = "hmac(sha1)",
.generic_driver = "hmac-sha1-lib",
.test = alg_test_hash,
.fips_allowed = 1,
.suite = {
@@ -5462,6 +5467,7 @@ static const struct alg_test_desc alg_test_descs[] = {
}
}, {
.alg = "sha1",
.generic_driver = "sha1-lib",
.test = alg_test_hash,
.fips_allowed = 1,
.suite = {