Question

What is the concept of digital signature?

Answer 1

A digital signature (not to be confused with a digital certificate) is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document.

Answer 2

$\bold\blue{\underline{\underline{Digital\:Signature:-}}}$

→Alternatively referred to as digitally signed, a digital signature is a mathematical scheme used to verify the authenticity of a digital document or message.

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→They are used when determining authenticity and avoiding tampering are important, such as in financial transactions.

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→Digital signatures are often used as a means to implement electronic signatures that are encrypted which allows for both authentication and non-repudiation (the signer cannot deny signing a document while claiming his/her private key has not been compromised).

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