What is a Digital Signature?
Before we talk about a digital signature, let’s look at the importance of signatures. A signature is your identity.In the digital world, while physical signatures are not possible, the importance of signing an important document to authenticate its source is more prevalent. Hence, digital signatures were designed. In simple terms, a digital signature allows the recipient to ensure the authenticity of an email or document received. If the document has a digital signature, then the recipient knows the creator of the document and whether it was altered before it reached him/her. Digital signatures use encryption for ensuring authentication.
Digital Signature Certificate (DSC)
While digital signatures are fine for individuals sharing documents, when it comes to encrypting data on a large scale (like a website), one needs a different approach. This is where digital signature certificates (DSCs) come in.
A DSC ensures the user that the website (and the server it is hosted on) is trusted by a Certificate Authority. This is an independent source that verifies and authenticates websites by using the public key encryption process on a large scale.
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