relating to signature

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Vishnu Agarwal

Vishnu Agarwal (Querist)
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05 August 2008

what is the digital signature?

Vishnu Agarwal

Vishnu Agarwal (Querist)
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05 August 2008

What is the advantage of digital signature?

Vishnu Agarwal

Vishnu Agarwal (Querist)
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05 August 2008

When it is required?

Vishnu Agarwal

Vishnu Agarwal (Querist)
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05 August 2008

reply as early as possible

CA Rajesh S

CA Rajesh S (Expert)
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05 August 2008 A digital signature (not to be confused with a digital certificate) is an electronic signature that can be used to authenticate the identity of the sender of a message or the signer of a document, and possibly to ensure that the original content of the message or document that has been sent is unchanged. Digital signatures are easily transportable, cannot be imitated by someone else, and can be automatically time-stamped. The ability to ensure that the original signed message arrived means that the sender cannot easily repudiate it later.
A digital signature can be used with any kind of message, whether it is encrypted or not, simply so that the receiver can be sure of the sender's identity and that the message arrived intact. A digital certificate contains the digital signature of the certificate-issuing authority so that anyone can verify that the certificate is real.

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