A Digital Signature also called DSC (Digital Signature Certificate). It is a digitally secure code that is issued by the certifying authorizations for the use of certifying and validating the identification of the person holding this certificate. Digital Signatures have the public key encryptions to generate the signatures.
A digital signature certificate (DSC) includes data about the individual’s/organization’s name, pan card no., address details, pin code, email address, date of issuance of the certificate and certifying authority.

Benefits of a digital signatures certificate(DSC) –

1. Digital Signature Certificate is helpful in authenticating the private data of individuals/organizations when conducting business online.
2. Reduced time and cost: you can digitally sign your files, Documents instead of signing the hard copy of documents physically. You can digitally sign or authenticate reports and send them much more quickly.
3. The DSC holder does not have to be physically present to authorize a business or documents.
4. Data integrity: Digitally signed Documents cannot be altered or edited after authentic.
5. It makes the data secure and safe.

Types of Digital Signature Certificates?

There are two types of Digital Signature Certificate:-
i) Class-2: here the identity of a person is confirmed against a trusted, pre-verified database.
ii) Class-3: this is the highest level where the person must to present himself or herself in front of a Registration Authority (RA) and show his/her identity.

Use of digital signature certificates

digital signature certificate
digital signature certificate

(i) Online Tender filling.
(ii) E-Billing Process.
(iii) Online Procurement filling.
(iv) Online return filing process.
(v) Online Transfer of Provident Fund.
(vi)Online Signing all sorts of digital documents
and many more for various online portals.

How does a Digital Signature Certificate work?

A Digital Signature Certificate explicitly associates the identity of a device with a pair of electronic keys: Private key and Public key –
This association is endorsed by the Certifying Authority. The certificate
contains information about a user’s identity when the certificate was issued and the name of the Certifying Authority.
These keys complement each other in that one does not work in the loss of the other.
They are used by browsers and servers to encrypt and decrypt data regarding the identity of the Certificate User during the information transfer process. The Private Key is stored on the user’s Token. The user retains control of the Private Key which can only be used with the password. The Public Key is broadcasted with the encrypted information. The authentication process fails if either one of these keys does not match. This means that the encrypted data cannot be decrypted and therefore is unavailable to unauthorized parties. Hence to summarize, a DSC contains a pair of Keys one for Signing and another for Encryption. So when a Digital Signature works, it looks for the Signing Certificate and the Encryption Certificate of the User.

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