From the course: SSL Certificates for Web Developers
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What are SSL certificates?
From the course: SSL Certificates for Web Developers
What are SSL certificates?
- [Instructor] Let's begin by learning about SSL certificates and the purpose that they serve. The simplest description of an SSL certificate is that it's what triggers the little padlock next to the URL at the top of a web browser. This lock indicates that the webpage is using HTTPS for secure communication. Websites can now use HTTP or HTTPS. The S stands for secure. It's called a certificate because it certifies the ownership of a public key. A public key is like a very long password that can be used for encrypting data. We'll talk more about public key soon. For now, just remember that the primary purpose of an SSL certificate is to certify who owns a particular public key. It's like registering a password. When a website uses HTTPS, the data that's transferred between the browser and the server will be encrypted using the public key contained in the certificate. This provides data privacy as well as data integrity. No one can view or modify encrypted data while it's in transit…
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