From: Stefan Berger <stefanb@linux.ibm.com>
Date: Wed, 25 Mar 2026 00:10:51 +0000 (-0400)
Subject: integrity: Allow sigv3 verification on EVM_XATTR_PORTABLE_DIGSIG
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bab8e90bca64a87dd058527ae1d02596d35dc601;p=thirdparty%2Fkernel%2Flinux.git

integrity: Allow sigv3 verification on EVM_XATTR_PORTABLE_DIGSIG

Allow sigv3 verification on EVM_XATTR_PORTABLE_DIGSIG on RSA, ECDSA,
ECRDSA, and SM2 signatures.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
---

diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c
index 6b21b9bf829e..6e68ec3becbd 100644
--- a/security/integrity/digsig_asymmetric.c
+++ b/security/integrity/digsig_asymmetric.c
@@ -154,7 +154,8 @@ static int calc_file_id_hash(enum evm_ima_xattr_type type,
 	size_t file_id_size;
 	int rc;
 
-	if (type != IMA_VERITY_DIGSIG && type != EVM_IMA_XATTR_DIGSIG)
+	if (type != IMA_VERITY_DIGSIG && type != EVM_IMA_XATTR_DIGSIG &&
+	    type != EVM_XATTR_PORTABLE_DIGSIG)
 		return -EINVAL;
 
 	tfm = crypto_alloc_shash(hash_algo_name[algo], 0, 0);