linux-kernel - Re: [RFC PATCH v11 16/19] ipe: enable support for fs-verity as a trust provider

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Message-ID: <a58cc269-1a95-445d-85c9-ecf997b47294@linux.microsoft.com>
Date:   Wed, 4 Oct 2023 19:45:50 -0700
From:   Fan Wu <wufan@...ux.microsoft.com>
To:     Randy Dunlap <rdunlap@...radead.org>, corbet@....net,
        zohar@...ux.ibm.com, jmorris@...ei.org, serge@...lyn.com,
        tytso@....edu, ebiggers@...nel.org, axboe@...nel.dk,
        agk@...hat.com, snitzer@...nel.org, eparis@...hat.com,
        paul@...l-moore.com
Cc:     linux-doc@...r.kernel.org, linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-fscrypt@...r.kernel.org, linux-block@...r.kernel.org,
        dm-devel@...hat.com, audit@...r.kernel.org,
        roberto.sassu@...wei.com, linux-kernel@...r.kernel.org,
        Deven Bowers <deven.desai@...ux.microsoft.com>
Subject: Re: [RFC PATCH v11 16/19] ipe: enable support for fs-verity as a
 trust provider



On 10/4/2023 4:58 PM, Randy Dunlap wrote:
> 
> 
> On 10/4/23 15:09, Fan Wu wrote:
> 
> | diff --git a/security/ipe/Kconfig b/security/ipe/Kconfig
> | index 7afb1ce0cb99..9dd5c4769d79 100644
> | --- a/security/ipe/Kconfig
> | +++ b/security/ipe/Kconfig
> | @@ -30,6 +30,19 @@ config IPE_PROP_DM_VERITY
> |  	  that was mounted with a signed root-hash or the volume's
> |  	  root hash matches the supplied value in the policy.
> |
> | +	  If unsure, answer Y.
> | +
> | +config IPE_PROP_FS_VERITY
> | +	bool "Enable property for fs-verity files"
> | +	depends on FS_VERITY && FS_VERITY_BUILTIN_SIGNATURES
> | +	help
> | +	  This option enables the usage of properties "fsverity_signature"
> | +	  and "fsverity_digest". These properties evaluates to TRUE when
> 
> 	                                          evaluate
> 
> | +	  a file is fsverity enabled and with a signed digest or its
> | +	  diegst matches the supplied value in the policy.
> 
> 	  digest
> 
> | +
> | +	  if unsure, answer Y.
> | +
> |  endmenu
> |
> |  endif
> 
> 

Thanks for catching the typo/error. Not sure why my spell script didn't 
find them. Maybe I should consider using a better tool.

-Fan