In "Uninformed Research -- informative information for the uninformed." 2003 mentions a tool called elfsign and elfverify. This is a tool to checksum and sign an ELF binary.

I can't find that tool in Debian. Does it still exist and is it maintained?

  • If your goal is just to guarantee integrity when running executables, consider using IMA (Integrity Measurement Architecture) for Linux, which does this at the kernel level by using extended attributes. – forest Dec 24 '18 at 5:21

That tool seems to be written by the same author of the paper skape (mmiller@hick.org). It's withheld from Debian for licensing reasons -- currently being under "The Clarified Artistic License".

The code can be found on his site,

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    Other tools purportedly for this purpose include signelf and elfpgp. I suspect that there is more than one Q&A to be had on this subject. (-: – JdeBP Nov 20 '18 at 8:40

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