From: Roberto Sassu <roberto.sassu@polito.it>
Date: Mon, 21 Mar 2011 15:00:53 +0000 (+0100)
Subject: eCryptfs: verify authentication tokens before their use
X-Git-Tag: v2.6.39-rc1~18^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e1fc5ef470cc1d157005c437a434868d59fead4;p=pandora-kernel.git

eCryptfs: verify authentication tokens before their use

Authentication tokens content may change if another requestor calls the
update() method of the corresponding key. The new function
ecryptfs_verify_auth_tok_from_key() retrieves the authentication token from
the provided key and verifies if it is still valid before being used to
encrypt or decrypt an eCryptfs file.

Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
[tyhicks: Minor formatting changes]
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
---

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