From: Vitaly Chikunov <vt@altlinux.org>
To: Herbert Xu <herbert@gondor.apana.org.au>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Paul Wolneykien <manowar@altlinux.org>,
"David S. Miller" <davem@davemloft.net>
Subject: [PATCH] crypto: ecrdsa - Fix module auto-load on add_key
Date: Mon, 18 Mar 2024 03:42:40 +0300 [thread overview]
Message-ID: <20240318004241.2925876-1-vt@altlinux.org> (raw)
Add module alias with the algorithm cra_name similar to what we have for
RSA-related and other algorithms.
The kernel attempts to modprobe asymmetric algorithms using the names
"crypto-$cra_name" and "crypto-$cra_name-all." However, since these
aliases are currently missing, the modules are not loaded. For instance,
when using the `add_key` function, the hash algorithm is typically
loaded automatically, but the asymmetric algorithm is not.
Steps to test:
1. Cert is generated usings ima-evm-utils test suite with
`gen-keys.sh`, example cert is provided below:
$ base64 -d >test-gost2012_512-A.cer <<EOF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=
EOF
2. Optionally, trace module requests with: trace-cmd stream -e module &
3. Trigger add_key call for the cert:
# keyctl padd asymmetric "" @u <test-gost2012_512-A.cer
939910969
# lsmod | head -3
Module Size Used by
ecrdsa_generic 16384 0
streebog_generic 28672 0
Repored-by: Paul Wolneykien <manowar@altlinux.org>
Cc: stable@vger.kernel.org
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
---
crypto/ecrdsa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/crypto/ecrdsa.c b/crypto/ecrdsa.c
index f3c6b5e15e75..3811f3805b5d 100644
--- a/crypto/ecrdsa.c
+++ b/crypto/ecrdsa.c
@@ -294,4 +294,5 @@ module_exit(ecrdsa_mod_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Vitaly Chikunov <vt@altlinux.org>");
MODULE_DESCRIPTION("EC-RDSA generic algorithm");
+MODULE_ALIAS_CRYPTO("ecrdsa");
MODULE_ALIAS_CRYPTO("ecrdsa-generic");
--
2.42.1
next reply other threads:[~2024-03-18 0:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-18 0:42 Vitaly Chikunov [this message]
2024-03-21 14:38 ` [PATCH] crypto: ecrdsa - Fix module auto-load on add_key Stefan Berger
2024-03-28 10:55 ` Herbert Xu
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