A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature, where the prerequisites are satisfied, gives a recipient very strong reason to believe that the message was created by a known sender (authentication), and that the message was not altered in transit (integrity).
Digital signatures are often used to implement electronic signatures, which include any electronic data that carries the intent of a signature, but not all electronic signatures use digital signatures.
Digital Signature (DSC) is a physical signature in an electronic format. Digital Signatures are used in India for online transactions such as Filing Annual Return, Company or LLP Incorporation, Income Tax E-Filing, E-Tenders, etc.
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