linux-kernel - Re: [RFC PATCH v13 17/20] ipe: enable support for fs-verity as a trust provider

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Message-ID: <193bd5e5-2263-4e67-b7c6-bb25dc9a6854@infradead.org>
Date: Wed, 28 Feb 2024 20:01:16 -0800
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@...ts.linux.dev,
 audit@...r.kernel.org, linux-kernel@...r.kernel.org,
 Deven Bowers <deven.desai@...ux.microsoft.com>
Subject: Re: [RFC PATCH v13 17/20] ipe: enable support for fs-verity as a
 trust provider



On 2/28/24 16:54, 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
> +	  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.

-- 
#Randy