linux-kernel - Re: [Patch 3/7] integrity: EVM as an integrity service provider

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 25 Mar 2007 23:13:02 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, safford@...son.ibm.com,
	serue@...ux.vnet.ibm.com, kjhall@...ux.vnet.ibm.com,
	zohar@...ibm.com
Subject: Re: [Patch 3/7] integrity: EVM as an integrity service provider

On Sun, 2007-03-25 at 00:16 -0800, Andrew Morton wrote:
> On Fri, 23 Mar 2007 12:09:36 -0400 Mimi Zohar <zohar@...ux.vnet.ibm.com> wrote:
> 
> > +++ linux-2.6.21-rc4-mm1/security/evm/Kconfig
> > @@ -0,0 +1,17 @@
> > +config INTEGRITY_EVM
> > +	boolean "EVM support"
> > +	depends on INTEGRITY && KEYS
> > +	select CRYPTO_HMAC
> > +	select CRYPTO_MD5
> > +	select CRYPTO_SHA1
> > +	default 0
> > +	help
> > +	  The Extended Verification Module is an integrity provider.
> > +	  An extensible set of extended attributes, as defined in
> > +	  /etc/evm.conf, are HMAC protected against modification
> > +	  using the TPM's KERNEL ROOT KEY, if configured, or with a
> > +	  pass-phrase.  Possible extended attributes include authenticity,
> > +	  integrity, and revision level.
> > +
> > +	  If you are unsure how to answer this question, answer N.
> > +
> 
> Is no dependency upon TPM needed?

It's obviously preferable to have and use a TPM, but if one is not
available you can use a pass-phrase.

Mimi Zoharar


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/