Digital signature

Digital signatures are like electronic “fingerprints.” In the form of a coded message, the digital signature securely associates a signer with a document in a recorded transaction. Digital signatures use a standard, accepted format, called Public Key Infrastructure (PKI), to provide the highest levels of security and universal acceptance. They are a specific signature technology implementation of electronic signature (E-Signature).

Digital Signature Look Like:-

Since the heart of a digital signature is the PKI certificate, which is software code, the digital signature itself is not inherently visible. However, document platforms may provide easily recognizable proof that a document has been digitally signed. This representation and the certificate details shown varies by document type and processing platform. Additionally, digital signatures can appear on a document in the same way as signatures are applied on a physical document and can include an image of your physical signature, date, location, and official seal.

Digital signatures can also be invisible, though the digital certificate remains valid. Invisible digital signatures are useful when the type of document typically does not display the image of a physical signature, like a photograph. The document’s properties may disclose the information about the digital certificate, the issuing CA, and an indication of the document’s authenticity and integrity.

If a digital signature is invalid for any reason, documents display a warning that the digital signature is not to be trusted.

Required Documents for Digital Signature

Documents Required for Indian Nationals:-

In case the applicant is an Indian National, please submit the following documents for identity and address proof:

  1. Identity Proof
  2. Passport
  3. PAN Card of the Applicant
  4. Driving Licence
  5. Post Office ID Card
  6. Bank Account Passbook containing the photograph and signed by an individual with attestation by the concerned Bank official
  7. Photo ID card issued by the Ministry of Home Affairs of Centre/State Governments
  8. Any Government-issued photo ID card bearing the signatures of the individual
  9. Address Proof
  10. AADHAAR Card
  11. Voter ID Card
  12. Driving Licence (DL)/Registration Certificate (RC)
  13. Water Bill (Not older than 3 months).
  14. Electricity Bill (Not older than 3 months)
  15. Latest Bank Statements signed by the bank (Not older than 3 Months)
  16. Service Tax/VAT Tax/Sales Tax registration certificate
  17. Property Tax/ Corporation/ Municipal Corporation Receipt

Documents Required for Foreign Nationals

In case the applicant is a Foreign National, please submit the following documents for identity and address proof:

  1. Identity Proof
  2. Attested copy of Applicant Passport
  3. Attested copy of VISA (If the applicant is out of a foreign country).
  4. Attested copy of Resident Permit certificate (If the applicant is in India)
  5. Address Proof
  6. Attested copy of Applicant Passport
  7. Attested copy of any other Government issued Address Proof

The identity and address proof of foreign nationals must be attested by the following authorities:

  • Embassy of Native Country (If applicant is not a citizen of India)
  • Apostilised by Native Country, after Public Notary (if the country is in Hague Convention)
  • Consularised by Native Country, after Public Notary (if the country is not in Hague Convention)

Users of Digital Signature

The following are some of the many industries that use digital signatures.

  • Healthcare:-Companies working in healthcare are legally required to protect consumer data and, therefore, use digital signatures.
  • Financial services:-Companies providing financial services are the prime users of digital signatures as they prioritize data security.
  • Manufacturing:-Manufacturing​ companies use digital signatures to speed up the delivery of essential documents while preserving their integrity.

Difference between a Digital signature and an Electronic signature?

The broad category of electronic signatures (E-Signatures) encompasses many types of electronic signatures. The category includes digital signatures, which are a specific technology implementation of electronic signatures. Both digital signatures and other E-Signature solutions allow you to sign documents and authenticate the signer. However, there are differences in purpose, technical implementation, geographical use, and legal and cultural acceptance of digital signatures versus other types of E-Signatures.

In particular, the use of digital signature technology for E-Signatures varies significantly between countries that follow open, technology-neutral E-Signature laws, including the United States, United Kingdom, Canada, and Australia, and those that follow tiered E-Signature models that prefer locally defined standards that are based on digital signature technology, including many countries in the European Union, South America, and Asia. In addition, some industries also support specific standards that are based on digital signature technology.

FAQs

Qus:-What happens if either the sender or receiver change the file after it has been digitally signed?

As the hash value for the file is unique, any change to the file creates a different hash value. As a result, when the receiver’s computer compares the hash to validate the integrity of the data, the difference in the hash values would reveal the file had been altered. Thus, the digital signature would be shown as invalid.

Qus:-What is  digital signature certificate authority?

For each digital signature transaction, we require a public and private key. Those keys should be protected to avoid tampering of digitally signed documents. Certificate authorities are the industry-trusted organizations that are widely recognized for ensuring key security and digital certificates.

Qus:-Can I have 2 digital signature?

Yes, a document can have multiple Digital Signatures.

Qus:-Who is eligible for digital signature?

Who issues the Digital Signature Certificate? A licensed Certifying Authority (CA) issues the digital signature. Certifying Authority (CA) means a person who has been granted a license to issue a digital signature certificate under Section 24 of the Indian IT-Act 2000.

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