linux-kernel - [PATCH17/17] pefile: Validate PKCS#7 trust chain

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Message-ID: <20140709151714.23074.44982.stgit@warthog.procyon.org.uk>
Date:	Wed, 09 Jul 2014 16:17:14 +0100
From:	David Howells <dhowells@...hat.com>
To:	keyrings@...ux-nfs.org
Cc:	linux-security-module@...r.kernel.org, kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH17/17] pefile: Validate PKCS#7 trust chain

Validate the PKCS#7 trust chain against the contents of the system keyring.

Signed-off-by: David Howells <dhowells@...hat.com>
Acked-by: Vivek Goyal <vgoyal@...hat.com>
---

 crypto/asymmetric_keys/verify_pefile.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


diff --git a/crypto/asymmetric_keys/verify_pefile.c b/crypto/asymmetric_keys/verify_pefile.c
index 029a365..79175e6 100644
--- a/crypto/asymmetric_keys/verify_pefile.c
+++ b/crypto/asymmetric_keys/verify_pefile.c
@@ -449,7 +449,7 @@ int verify_pefile_signature(const void *pebuf, unsigned pelen,
 	if (ret < 0)
 		goto error;
 
-	ret = -ENOANO; // Not yet complete
+	ret = pkcs7_validate_trust(pkcs7, trusted_keyring, _trusted);
 
 error:
 	pkcs7_free_message(ctx.pkcs7);

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