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

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Message-ID: <7cecea3f-aaca-4df5-9595-324137c3627e@infradead.org>
Date:   Wed, 4 Oct 2023 16:58:38 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Fan Wu <wufan@...ux.microsoft.com>, 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 10/4/23 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


-- 
~Randy