[guardian-dev] TOFU/POP aid for HTTPS

Abel Luck abel at guardianproject.info
Thu Aug 30 13:22:16 EDT 2012


Hans-Christoph Steiner:
> 
> I seem to run into self-signed HTTPS certificates a lot, and I like to
> try to verify them to some degree beyond just "Trust On First Use".  I
> wrote a little script to easy get an HTTPS cert's SHA1 and MD5
> fingerprints from the terminal.  Then I can ssh to a couple remote
> machines and make sure that the fingerprint is the same before trusting it.
> 
> The script is attached, you need to install this to run it:
> 
> apt-get install python-m2crypto

Dude, this is awesome. I have this problem all the time. Thanks!

I wonder if the SSL observatory has a public API we could query?

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