Certificat SSL/TLS
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SSL (Secure Sockets Layer) et son successeur TLS (Transport Layer Security) sont des protocoles cryptographiques qui chiffrent les données entre un navigateur web et un serveur. Un certificat SSL/TLS lie un nom de domaine à une clé cryptographique, permettant les connexions HTTPS.
Exemple
The padlock icon in your browser indicates an active SSL/TLS certificate, meaning data between you and the website is encrypted.