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-rw-r--r--crypto/asymmetric_keys/pkcs7_verify.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c
index bd264052f751..cd455450b069 100644
--- a/crypto/asymmetric_keys/pkcs7_verify.c
+++ b/crypto/asymmetric_keys/pkcs7_verify.c
@@ -154,10 +154,13 @@ static int pkcs7_find_key(struct pkcs7_message *pkcs7,
return 0;
}
- pr_warn("Sig %u: Issuing X.509 cert not found (#%*ph)\n",
- sinfo->index,
- sinfo->signing_cert_id->len, sinfo->signing_cert_id->data);
- return -ENOKEY;
+ /* The relevant X.509 cert isn't found here, but it might be found in
+ * the trust keyring.
+ */
+ pr_debug("Sig %u: Issuing X.509 cert not found (#%*phN)\n",
+ sinfo->index,
+ sinfo->signing_cert_id->len, sinfo->signing_cert_id->data);
+ return 0;
}
/*
@@ -275,11 +278,14 @@ static int pkcs7_verify_one(struct pkcs7_message *pkcs7,
if (ret < 0)
return ret;
- /* Find the key for the signature */
+ /* Find the key for the signature if there is one */
ret = pkcs7_find_key(pkcs7, sinfo);
if (ret < 0)
return ret;
+ if (!sinfo->signer)
+ return 0;
+
pr_devel("Using X.509[%u] for sig %u\n",
sinfo->signer->index, sinfo->index);