linux-kernel - [PATCH] evm: add Kconfig TCG

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Message-Id: <1313621496-8308-1-git-send-email-zohar@linux.vnet.ibm.com>
Date:	Wed, 17 Aug 2011 18:51:36 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	linux-security-module@...r.kernel.org
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, James Morris <jmorris@...ei.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Randy Dunlap <rdunlap@...otime.net>,
	David Safford <safford@...son.ibm.com>,
	Mimi Zohar <zohar@...ibm.com>
Subject: [PATCH] evm: add Kconfig TCG_TPM dependency

Although the EVM encrypted-key should be encrypted/decrypted using a
trusted-key, a user-defined key could be used instead. When using a user-
defined key, a TCG_TPM dependency should not be required.  Unfortunately,
the encrypted-key code needs to be refactored a bit in order to remove
this dependency.

This patch adds the TCG_TPM dependency.

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>,
	     Randy Dunlap <rdunlap@...otimenet>
Signed-off-by: Mimi Zohar <zohar@...ibm.com>
---
 security/integrity/evm/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/security/integrity/evm/Kconfig b/security/integrity/evm/Kconfig
index 444877d..884617d 100644
--- a/security/integrity/evm/Kconfig
+++ b/security/integrity/evm/Kconfig
@@ -1,6 +1,6 @@
 config EVM
 	boolean "EVM support"
-	depends on SECURITY && KEYS
+	depends on SECURITY && KEYS && TCG_TPM
 	select CRYPTO_HMAC
 	select CRYPTO_MD5
 	select CRYPTO_SHA1
-- 
1.7.3.4

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