OPEN SSL – The Hero Barely Talked About

When we see the HTTPS, HTTP connection of a visited website most of us can’t differentiate between them. We ask ourselves what difference the single alphabet ‘S’ makes? Little do we know that the letter ‘S’ is all that matters.

The difference between the HTTP and HTTPS connection is not of just a letter but a secure and protected connection ensured by a valid SSL certificate.

In this article, we’re going to talk about what this SSL/TLS (Secure Socket Layer, Transfer Layer Security) protocol is and how do you get the certificate for a website in simple words.

We don’t even know but we come across so many SSL certified websites, mobile applications, emails, messaging, etc. but most commonly on a website yet most of us are unaware of even the full-form.  The SSL certificate can be viewed as a lock from our side to which the keys are only the receiver (website/server).

As what the SSL certificate does is it facilitates “encryption” – when we hear that word the only thing that comes to our mind is “Cipher” and “Decipher” and that is exactly what it means it converts the data we send into a format which cannot be decoded by any third party and then it is decoded by the receiver website with the private key.

The establishment of a secure connection is known as the “SSL handshake”, we can understand it with the help of an example from our day to day lives.

For example, when someone hires us for an important job. The steps are as follows

We greet each other – similarly the client and the server exchange clientHello&serverHello messages with some information regarding SSL certification. Hence, a secure connection is in place between the two of us.

Checking the Identity, records, and other achievements – As after the hello both of us loosen up a bit, the client verifies the server through the information mentioned in the SSL certificate eg. Location public key, validity dates, etc. and just like our employer checks the authenticity of our certificate here, the client checks the validity of the certificate authority.

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Created on Apr 5th 2020 08:59. Viewed 173 times.

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