What is an SSL certificate?

SSL Certificate is the medium that allows an Internet user to securely share his/her personal information with a website.

Technically speaking, SSL are small data files that are used in the Internet. This is an encryption protocol. When SSL is installed in a server, it makes the connection between the browser and the website secure. SSL is mainly used to make online transactions, data transfer and login details secure.

SSL Certificates is a digital certificate. Which you can buy from any organization or on your own. This creates a secure connection between your web browser and your web server.

This certificate includes the certificate holder's name, serial number, expiration, public key of the certificate holder and a digital signature provided by the certificate issuing authority.

Having an SSL Certificate on a website means that you can trust this site, no hacker can see its information. SSL Certificate encrypts all your information and sends it to the web server.

Example – Suppose you want to send money to a friend of yours in a remote village where there is no mobile banking facility or internet. If you want to send money there, it will reach your friend only after handing over money to some people.

Now if you ask someone to reach your friend's address with money. So he goes some distance and likewise hands over the money to someone else.

Think about how much your money is at risk. But if you lock the money in a box and close it and give the information of the key to your friend and send the box. So no matter how many people hand over it, there will be no fear of theft because the lock will be opened only by your friend's key which you have told your friend.

Similarly, you would use SSL, for example, to access your confidential information securely to a web server.

SSL is an abbreviation used for Secure Sockets Layers, which are encryption protocols used on the internet to secure information exchange and provide certificate information.

These certificates provide an assurance to the user about the identity of the website they are communicating with. SSL may also be called TLS or Transport Layer Security protocol.

In most modern web browsers, users can click on the SSL icon displayed in the address bar to view certification, identification and other information about a website.

SSL (Secure Sockets Layer) and its successor, TLS (Transport Layer Security), are protocols for establishing authenticated and encrypted links between networked computers. Although the SSL protocol was deprecated with the release of TLS 1.0 in 1999, it is still common to refer to these related technologies as “SSL” or “SSL/TLS.” The most current version is TLS 1.3, defined in RFC 8446

Secure Sockets Layer (SSL) is the standard for encrypted communication between servers and browsers. A browser receives and interprets this certificate and verifies its authenticity. Once the verification has been performed, all the data sent through the secure connection is encrypted.

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