Re: [Linux-ima-user] Can't find tpm0 file in /sys/kernel/security/ directory.

[Mimi Z. <zo...@li...>]

On Thu, 2011-03-17 at 01:20 +0800, Qingping Hou wrote:
> Hi all,
> 
> I am currently learning how to make use of ima. After compile the
> kernel according to the official document, I can now get the measured
> hash value from ascii_runtime_measurements file.

IMA was upstreamed in 2.6.30. At this point, depending on the Linux
distro, you might not need to recompile the kernel.  From the boot
command line, specifying ima_tcb should enable IMA.

> However, I cannot fine tpm0 file in /sys/kernel/security/ directory.
> Actually I am using tpm-emulator, not a real tpm device. Could that be
> the cause?
> 
> Best regards,
> 
> Hou Qingping

Yes, it depends on the TPM emulator.  Which emulator are you using?
Others on this mailing list should be able to help you.

thanks,

Mimi