digital signature

American  

noun

Digital Technology.

1. an encrypted digital code appended to an electronic document to verify that it was created by a known source and has not been altered.

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digital signature British  

noun

1. computing electronic proof of a person's identity involving the use of encryption; used to authenticate documents

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Etymology

Origin of digital signature

First recorded in 1975–80

Example Sentences

Starting Wednesday, newly issued driver’s license and identification cards will include additional features, including a first-in-the-nation digital signature, according to the Department of Motor Vehicles.

From Los Angeles Times

After spending nearly two hours with the local Chase branch manager, Maloney realized that he, too, was a victim of the bank’s lax procedures: He said the branch manager told him that Chase had allowed someone to obtain an account online in his company’s name in March 2023 with nothing more than a digital signature and an employer identification number, but no personal identification.

From Salon

Hash matching is where media is given a unique digital signature which can be checked against hashes belonging to known content - in this case, databases of known CSAM.

From BBC

The first issue of 10,000 NFTs featuring Brady carrying his digital signature and priced at up to $100 each instantly sold out, DraftKings announced.

From Los Angeles Times

Instead, the application included only a typed note and copy of a digital signature, rather than an official document.

From Los Angeles Times