Re: [PATCH v6 13/17] fs-verity: support builtin file signatures

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On Mon, Jul 01, 2019 at 08:32:33AM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> 
> To meet some users' needs, add optional support for having fs-verity
> handle a portion of the authentication policy in the kernel.  An
> ".fs-verity" keyring is created to which X.509 certificates can be
> added; then a sysctl 'fs.verity.require_signatures' can be set to cause
> the kernel to enforce that all fs-verity files contain a signature of
> their file measurement by a key in this keyring.
> 
> See the "Built-in signature verification" section of
> Documentation/filesystems/fsverity.rst for the full documentation.
> 
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>

Looks good, you can add:

Reviewed-by: Theodore Ts'o <tytso@xxxxxxx>



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