A Digital Signature is a cryptographic electronic signature used to verify the identity of the signer and confirm that a digital document has not been altered after it was signed. It is created using a private key and verified using the corresponding public key through Public Key Infrastructure (PKI). In India, Digital Signatures are legally recognized under the Information Technology Act, 2000 and are widely used for government filings, contracts, compliance, and secure business transactions.
Digital signature involves encryptions and certificates. A signature on the electronic message may be typed text or photograph.
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