What is a Digital Signature?

A digital signature is an electronic form of a signature that can be used to authenticate the identity of the sender of a message or the signer of a document, and also ensure that the original content of the message or document that has been sent is unchanged. Digital signatures are easily transportable and cannot be imitated by someone else. The ability to ensure that the original signed message arrived means that the sender cannot easily disclaim it later.

What is a Digital Signature Certificate (DSC)?

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.

Why do I need a Digital Signature Certificate?

A Digital Signature Certificate authenticates your identity electronically. It also provides you with a high level of security for your online transactions by ensuring absolute privacy of the information exchanged using a Digital Signature Certificate. You can use certificates to encrypt information such that only the intended recipient can read it. You can digitally sign information to assure the recipient that it has not been changed in transit, and also verify your identity as the sender of the message.

Where can I purchase a Digital Signature Certificate?

Legally valid Digital Signature Certificates are issued only through a Controller of Certifying Authorities (CCA), Govt. of India, licensed Certifying Authorities (CA), such as eMudhra, NIC, TCS, MTNL, Ncode etc.

What is a Certifying Authority (CA)?

A Certifying Authority is a trusted agency whose central responsibility is to issue, revoke, renew and provide directories for Digital Signature Certificates. According to Section 24 of the Information Technology Act 2000, "Certifying Authority" means a person who has been granted a license to issue Digital Signature Certificates.

What is the role of CCA?

The Controller of Certifying Authorities (CCA) is a Government of India undertaking that license and regulate the working of Certifying Authorities. The CCA certifies the public keys of CAs, which enables users in the cyberspace to verify that a given certificate is issued by a licensed CA. For this purpose, CCA operates, the Root Certifying Authority of India (RCAI). The CCA also maintains the National Repository of Digital Signature Certificate (NRDC), which contains all the certificates issued by all the CAs in the country.

Where can I use Digital Signature Certificates?

You can use Digital Signature Certificates for the following:

  1. For sending and receiving digitally signed and encrypted emails .
  2. For carrying out secure web-based transactions, or to identify other participants of web-based transactions.
  3. In eTendering, eProcurement
  4. For signing documents like MSWord, MSExcel and PDFs.
  5. With MCA and Income Tax

EPFO is using these signature for signing of claims digitally, after that no need to sign claim physically.

From Where I Can Purchase the DSC

You may check the following websites:

Digital Signatures - CCA ppt

www.safescrypt.com

www.nic.in

www.idrbtca.org.in

www.tcs-ca.tcs.co.in

www.mtnltrustline.com

www.ncodesolutions.com

www.e-Mudhra.com