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SubjectRE: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
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Hi Arjan, 

I hope I correctly understood your question, DigSig uses LSM hooks to
check the digital signature before loading it, then as long as your elf
loader uses kernel system calls, it's covered by DigSig.

Regards
Makan


> -----Original Message-----
> From: linux-security-module-owner@vger.kernel.org
> [mailto:linux-security-module-owner@vger.kernel.org] On
> Behalf Of Arjan van de Ven
> Sent: April 23, 2006 8:19 AM
> To: Makan Pourzandi (QB/EMC)
> Cc: linux-kernel@vger.kernel.org;
> linux-security-module@vger.kernel.org; Serue Hallyen; Axelle
> Apvrille; 'disec-devel@lists.sourceforge.net'
> Subject: Re: [ANNOUNCE] Release Digsig 1.5: kernel module for
> run-timeauthentication of binaries
>
> On Fri, 2006-04-21 at 09:56 +0000, Makan Pourzandi wrote:
> > Hi,
> >
> > Digsig development team would like to announce the release
> 1.5 of digsig.
> >
> > This kernel module helps system administrators control
> Executable and
> > Linkable Format (ELF) binary execution and library loading based on
> > the presence of a valid digital signature. The main
> functionality is
> > to help system administrators distinguish applications
> he/she trusts
> > (and therefore signs) from viruses, worms (and other
> nuisances). It is
> > based on the Linux Security Module hooks.
>
> does this also prevent people writing their own elf loader in
> a bit of perl and just mmap the code ?
>
>
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