linux-kernel - [PATCH 1/2] trusted-key: allow overwriting the migratable flag

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Date:	Wed,  2 Nov 2011 13:41:18 +0100
From:	Roberto Sassu <roberto.sassu@...ito.it>
To:	keyrings@...ux-nfs.org
Cc:	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, safford@...son.ibm.com,
	zohar@...ibm.com, dhowells@...hat.com, jmorris@...ei.org,
	Roberto Sassu <roberto.sassu@...ito.it>
Subject: [PATCH 1/2] trusted-key: allow overwriting the migratable flag

The migratable should be modifiable during the key update() method. This
allows for example to update a migratable trusted key, wrapped by a TPM
key, to a a non-migratable one sealed under the SRK with a PCR set.

Signed-off-by: Roberto Sassu <roberto.sassu@...ito.it>
---
 security/keys/trusted.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/security/keys/trusted.c b/security/keys/trusted.c
index 0c33e2e..8777015 100644
--- a/security/keys/trusted.c
+++ b/security/keys/trusted.c
@@ -1036,7 +1036,6 @@ static int trusted_update(struct key *key, const void *data, size_t datalen)
 		goto out;
 	}
 	/* copy old key values, and reseal with new pcrs */
-	new_p->migratable = p->migratable;
 	new_p->key_len = p->key_len;
 	memcpy(new_p->key, p->key, p->key_len);
 	dump_payload(p);
-- 
1.7.6.4


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