digital signature
digital signature
A digital signature is an encoded signage which is used instead of an actual handwritten signature. It provides authenticity and security to a message in an online document. A message can be any kind of data; an electronic mail, a contract, an online form, etc. You can also add a digital signature to messages encoded with protocols that are more complicated. Digital signatures are mainly useful for programs on the Internet which transfers data local machines, requiring to confirm its identity to any third party concerned.
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