Re: [PATCH 00/14] EVM

[Mimi Zohar]

On Fri, 2010-06-04 at 11:53 +0500, Shaz wrote:
> > Yes, verifying one file containing the hashes would be faster than
> > verifying individual hashes stored as extended attributes (xattrs), but
> > this does not take into account that files on a running system are being
> > modified or added. On a small form factor, the number of files is
> > limited, but would this scale well? In addition, what protects that one
> > file containing all the hashes from being modified?  So, if you limit
> 
> How about sealing to protect this file?

Was just indicating that the file needs to be protected. So, yes sealing
the file, based on PCRs, would work in a trusted boot environment.

> > the types of files to those that don't change, and the number of file
> > hashes, then using a single file would be faster.

Mimi


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