Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries

From: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
Date: Fri, 28 Apr 2006 18:11:09 +0200

A one time effort to write it *and sign it*.

you don't sign nor need to sign perl or bash scripts. Why would a loader
be written in ELF itself? There's absolutely no reason for that.

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Follow-Ups:
- Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
  - From: Serge E. Hallyn

References:
- Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
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- Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
  - From: Axelle Apvrille
- Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
  - From: Ulrich Drepper
- Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
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Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
... you don't sign nor need to sign perl or bash scripts. ... Why would a loader ... be written in ELF itself? ... There's absolutely no reason for that. ...
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RE: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
... 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, ... How do you distinguish an elf loader application ...
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Re: [ANNOUNCE] Release Digsig 1.5: kernel module for run-timeauthentication of binaries
... I hope I correctly understood your question, DigSig uses LSM hooks to ... loader uses kernel system calls, ... How do you distinguish an elf loader application ... It checks mmap and mprotect with PROT_EXEC, ...
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