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linux/crypto/ecrdsa.c
Thorsten Blum ac8549e5e8 crypto: ecrdsa - fix unknown OID check in ecrdsa_param_curve 
[ Upstream commit 2d7b2cfc59 ]

The ->curve_oid check in ecrdsa_param_curve() rejects the valid enum
value 0 (OID_id_dsa_with_sha1), but look_up_OID() returns OID__NR on
lookup failure. Compare ->curve_oid with OID__NR instead to ensure that
only unknown OIDs return -EINVAL.

Fixes: 0d7a78643f ("crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Vitaly Chikunov <vt@altlinux.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-07-24 15:51:28 +02:00

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