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All issuesVolume 301, Issue 2IT NewsEncryption

How To Use A Public Key And Private Key In Digital Signatures

SearchSecurity, April 12th, 2023

Ensuring authenticity of online communications is critical to conduct business. Learn how to use a public key and private key in digital signatures to manage electronic documents.

A person's handwritten signature is relatively unique, so when someone signs a paper document, the signature verifies the signer. But how do you sign an electronic document? This is where a digital signature comes in.

Like a John Hancock on a contractual agreement or a notary seal on a legal document, a digital signature marks the authenticity of a digital message, document or software. Like its physical counterpart, the purpose of a digital signature is to verify the document and that the sender is who they claim to be.

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