Announcing tls-grab

It's surprisingly painful to script getting the public certificate a website responds with. Or, getting the certificate's fingerprint. This information is always mixed together with other human output, which means you'd have to resort to mixing sed or grep and because the output is meant for humans not machines, the regexes you'd make end up fragile.

So, I made tls-grab to do the TLS handshake and get the server's public certificate or to generate the certificate's fingerprint.

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