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Application Security Engineer
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Application Security Engineer
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30s · 0 pts
What is a digital signature and how does it prove origin and integrity?
1
A scanned image of a handwritten signature embedded in the document to mark it as officially approved.
2
A shared secret password appended to the file that the receiver compares to confirm the sender's identity.
3
The whole message encrypted with the recipient's public key so only the recipient can decrypt and read it.
4
The message hash signed with the sender's private key and checked with their public key on the other end.
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