What is digital certificates?

Answer 1

Digital ID, also known as a digital certificate, is a form of electronic credentials for the internet. Digital certificate is issued by a trusted third party to establish the identity of the ID holder. The third party who issues certificates is known as a Certification Authority (CA). Digital certificate technology is based on the theory of public key cryptography. In public key cryptography systems, every entity has two complementary keys, a public key and private key, which function only when they are placed together. The purpose of a Digital ID is to reliably link a public/private key pair with its owner. When a CA issues Digital IDs, it verifies that the owner is not claiming a false identity.

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Answer 2

eMudhra - Digital Signature Certificates (DSC) is the electronic format of physical or paper certificate like a driving License, passport etc. Certificates serve as proof of identity of an individual for a certain purpose; for example, a Passport identifies someone as a citizen of that country; who can legally travel to any country. Likewise, a Digital Signature Certificate can be presented electronically to prove your identity, to access information or services on the Internet or to sign certain documents digitally.

Answer 3

A digital certificate is an attachment to an electronic message (e-mail) that is used for security reasons. It verifies to the receiver that the person who sent it is who they claim to be.