Re: [PATCH] EVM: Add support for portable signature format

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On Thu, 2017-10-19 at 11:02 +0000, Dmitry Kasatkin wrote:
> BTW.
> 
> Just to refresh my mind. What would be the correct order for setting
> this signature from package?
> On any attr/xattr change, EVM will set HMAC.

The system is running without an EVM symmetric key, just an asymmetric
key.

> What is the value of setting signature after that unless there is a
> policy to require signature (immutable)?

> In my original patchset portable was also immutable and also
> included policy support to require EVM signatures.

In Matthew's usecase scenario, only immutable and portable signatures
exist.  The EVM verification for unsigned files will be
INTEGRITY_UNKNOWN.

Mimi




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