[tips] Vérifier l'authenticité du certificat d'un site

[Chapitre23]

 

The Internet is a cooperative PUBLIC DATA NETWORK. Its data traffic flows around the globe freely, transported by an incredible variety of intermediate carriers. These carriers cooperate because they need each other equally: “I'll carry your traffic if you'll carry mine.” And the system works. But with all of this traffic zipping around all over the place, in full public view, how do we KNOW that we are really connected to our bank, our medical records database, or any other public or private website? Websites are (obviously) easy to create, so copying a popular website and redirecting traffic there would not be difficult. And, unfortunately, the world has no shortage of people who would like to do that.

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