Digital Signature

Digital Signature

What is Digital Signature ?

It is an electronic form of fingerprints or signature. Basically, it is a way to authenticate your electric documents such as e-mail, spreadsheet, text-file etc.
A Digital Sign. Certificate provides to prove identity, to access services on the internet or to sign documents digitally. Hence the certificate contains information about the user’s identity. This includes name, pin code, country, email address, certificate issue date and the name of the certifying authority.

Need of Digital Signature:

Digital Sign. Certificate authenticates your identity electronically. This Signature use a standard format. Therefore it provides a high level of security and universal acceptance.
The use of standard and accepted format called PKI or Public Key Infrastructure. By this, we can secure our email and also our web-based transactions. While it is used to signing web forms, e-tendering websites of government departments, e-filing income tax return etc.
The licensed certifying authority under section 24 of the Information Technology Act, 2000 issue the Digital Sign. Certificate.

How does Digital Signature work?

This Signature is like Handwritten Signature, which is unique for every individual. While a Certified Authority provides you Digital Sign. Certificate. It works totally on Mathematical Algorithms. When user signs on a document, the user’s private key create the electronic signature on the document. The Mathematical Algorithm acts like a cipher and encrypts that signature data. As a result, the encrypted data is the Digital Signature.

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