A digital signature is for signing documents without Paper and Pen.

A Digital Signature gives the receiver reason to believe the message was sent by the claimed sender. Digital signatures are equivalent to traditional handwritten signatures in many respects, but properly implemented digital signatures are more difficult to forge than the handwritten type. Digital signature schemes, in the sense used here, are cryptographically based and must be implemented properly to be effective. Digital signatures can also provide non-repudiation, meaning that the signer cannot successfully claim they did not sign a message, while also claiming their private key remains secret.

Further, some non-repudiation schemes offer a timestamp for the digital signature, so that even if the private key is exposed, the signature is valid. Digitally signed messages may be anything representable as a bit string: examples include electronic mail, contracts, or a message sent via some other cryptographic protocol.

A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, software, or digital document. It’s the digital equivalent of a handwritten signature or stamped seal, but it offers far more inherent security.

Digital signatures can provide evidence of origin, identity, and status of electronic documents, transactions, or digital messages. Signers can also use them to acknowledge informed consent.

Digital signatures are considered legally binding in the same way as traditional handwritten document signatures.

Digital signatures are based on public-key cryptography, also known as asymmetric cryptography. Using a public key algorithm, such as RSA (Rivest-Shamir-Adleman), two keys are generated, creating a mathematically linked pair of keys, one private and one public.

Digital signatures work through public-key cryptography’s two mutually authenticating cryptographic keys. The individual who creates the digital signature uses a private key to encrypt signature-related data, while the only way to decrypt that data is with the signer’s public key.


  • Authenticity: Digital Signature Certificates are helpful in authenticating the personal information details of the individual holder when conducting business online.
  • Reduced cost and time: Instead of signing the hard copy documents physically and scanning them to send them via e-mail, you can digitally sign the PDF files and send them much more quickly.
  • No need to be present physically: The Digital Signature certificate holder does not have to be physically present to conduct or authorize a business
  • Data integrity: Documents that are signed digitally cannot be altered or edited after signing, which makes the data safe and secure.
  • Verification: The government agencies often ask for these certificates to cross-check and verify the business transaction.
  •  Assurance: Digitally signed documents give confidence to the receiver to be assured of the signer’s authenticity. They get assured about the reliability of documents and can take action on the basis of it.


You could buy certificates with a validity of up to three years. (The validity is controlled by law, and you cannot buy certificates more than three years and less than One-year validity)


  • One can approach any one of the Licensed CAs for getting a Digital Signature Certificate.
  • Digital Signature Certificate (DSC) Applicants can directly approach Certifying Authorities (CAs) with original supporting documents, and self-attested copies will be sufficient in this case
  • DSCs can also be obtained, wherever offered by Certifying Authority, using Aadhar eKYC based authentication, and supporting documents are not required in this case.
  • DSCs can be obtained from Team Udyog Buddy, after providing relevant details to us via WhatsApp at +91 9301789019


Digital signatures are based on Public Key Infrastructure. By this mechanism, two keys are generated, a Public Key and Private Key. The private key is kept by the signer and it should be kept securely. On the other hand, the receiver must have the public key to decrypt the message.


Digital Signature Certificates (DSC) are the digital equivalent (that is electronic format) of physical or paper certificates. Certificates serve as proof of identity of an individual for a certain purpose; for example, a driver’s license identifies someone who can legally drive in a particular country.

Likewise, a digital certificate can be presented electronically to prove one’s identity, to access information or services on the Internet, or to sign certain documents digitally.

Digital Signature Certificates or DSC or Digital Signature are being adopted by various government agencies and now is a statutory requirement in various applications.

At Udyog Buddy, our team of professionals will help you seamlessly register your DSC  with hand-holding support and affordable price. Apply now and get a Quote – https://udyogbuddy.com/contact-page/

Write to us at [email protected] or connect through WhatsApp at +91 9301789019 for more details.