Messages in this thread | | | Date | Mon, 21 Jan 2013 11:42:13 -0500 | From | Vivek Goyal <> | Subject | Re: [PATCH 2/3] binfmt_elf: Verify signature of signed elf binary |
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On Tue, Jan 15, 2013 at 11:55:59PM -0500, Mimi Zohar wrote:
[..] > Please remind me why you can't use IMA-appraisal, which was upstreamed > in Linux 3.7? Why another method is needed?
So is this IMA-appraisal also supports digital signatures? The IMA white paper seems to put digital signatures in separate category (IMA-Appraisal-Signature-Extension).
> > With IMA-appraisal, there are a couple of issues that would still need > to be addressed: > - missing the ability to specify the validation method required. > - modify the ima_appraise_tcb policy policy to require elf executables > to be digitally signed.
For my use case, all executable don't have to be digitally signed. If something is digitally signed then do the signature verification.
Thanks Vivek
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