Dissecting an SSL Certificate


I think it’s interesting to know what it means to “issue a SSL certificate” and I can talk about that a little.

TLS: newer version of SSL

I was confused about what this “TLS” thing was for a long time. Basically newer versions of SSL are called TLS (the version after SSL 3.0 is TLS 1.0). I’m going to just call it “SSL” throughout because that is less confusing to me.

What’s a certificate?

Suppose I’m checking my email at https://mail.google.com

mail.google.com is running a HTTPS server on port 443. I want to make sure that I’m actually talking to mail.google.com and not some other random server on the internet owned by EVIL PEOPLE.

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