From the course: Cryptography: Technologies for Securing Data and Communications
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Encryption protocols
From the course: Cryptography: Technologies for Securing Data and Communications
Encryption protocols
(upbeat music) - Encryption is something that we use on a regular basis in computing and communications. I've already mentioned some that are used in commerce and things such as Signal and Bitcoin. We also use it in computing environments. For instance, when you are online using something as a web browser to communicate with a merchant, government agency, or otherwise view information, encryption is used to secure your connection, and it can be used to verify that you're connecting with the company or agency that you think you are. This involves protocols such as HTTPS, which is the secured version of HTTP, and often results in seeing the little lock symbol in your browser when you're using it. It also involves protocols that are called SSL and TLS, which are Secure Sockets Layer and its follow-on, that are used to secure your communications so that, for instance, your credit card number cannot be seen in the traffic. We use it in secure file transfers, or SFTP, to transfer files…
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