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Question

Digital signature.

A
A digital code that can be attached to an electronically transmitted message that uniquely identifies the sender
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B
It is a scanned code in digital form
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C
It is signature done using digital device
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D
None of the above
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Solution

The correct option is A A digital code that can be attached to an electronically transmitted message that uniquely identifies the sender

Digital signature A digital code that can be attached to an electronically transmitted message that uniquely identifies the sender.

A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document.

A digital code that can be attached to an electronically transmitted message that uniquely identifies the sender. Like a written signature, the purpose of a digital signature is to guarantee that the individual sending the message really is who he or she claims to be.

A digital certificate, an electronic document that contains the digital signature of the issuing certificate authority, binds together a public key with an identity and can be used to verify that a public key belongs to a particular person or entity.

Digital signatures are the public-key primitives of message authentication. In the physical world, it is common to use handwritten signatures on handwritten or typed messages. They are used to bind signatory to the message. Similarly, a digital signature is a technique that binds a person/entity to the digital data.

Learn the difference between a digital and electronic signature. ... An electronic signature is an electronic symbol attached to a contract or other record, used by a person with an intent to sign. In contrast, digital signatures guarantee that an electronic document is authentic.


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