Re: [PATCH RESEND v4 0/1] add sysfs exports for TPM 2 PCR registers

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On Mon, Sep 07, 2020 at 04:23:22PM +0300, Jarkko Sakkinen wrote:
> On Mon, Sep 07, 2020 at 07:38:24AM +0200, Greg KH wrote:
> > Please just use a binary blob format.  Binary sysfs files are exactly
> > what this is for, you are just passing the data through the kernel from
> > the hardware to userspace.
> > 
> > You can have 24 binary files if that makes it easier, but the existing
> > format really is an abuse of sysfs.
> > 
> > Or use securityfs, that's fine too, but as you say, you have to write
> > more code for that.
> > 
> > thanks,
> > 
> > greg k-h
> 
> I suggested this in previous round: to have a single 'pcrs' binary file
> with <TPM Alg ID, blob> pairs contained.

That's fine with me!



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