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

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Message-Id: <20110818103817.80b585a0.rdunlap@xenotime.net>
Date:	Thu, 18 Aug 2011 10:38:17 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
Cc:	linux-security-module@...r.kernel.org, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, James Morris <jmorris@...ei.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	David Safford <safford@...son.ibm.com>,
	Mimi Zohar <zohar@...ibm.com>
Subject: Re: [PATCH] evm: add Kconfig TCG_TPM dependency

On Wed, 17 Aug 2011 18:51:36 -0400 Mimi Zohar wrote:

> 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>

Acked-by: Randy Dunlap <rdunlap@...otime.net>

Thanks.

> ---
>  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
> -- 


---
~Randy
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