On the other hand, a digital signature is a more specific type of electronic signature, using data encryption to prove the identity of both the person signing the document and the person receiving the signature. According to the Electronic Signature & Records Association (ESRA), an electronic signature is “an electronic sound, symbol or process that is attached to or logically associated with a record and executed or adopted by a person with the intent to sign the record.” As you can tell, this is a pretty general definition, including a lot of types of “signature” beyond just the cursive written name we associate with the concept of signing. But actually, the same way that a square is a type of rectangle, a digital signature is a specific form of electronic signature. ![]() You might assume that a digital signature and an electronic signature are the same thing. ![]() In essence, digital signatures are used to ensure the authenticity of a digital document. ![]() The same way that a written signature on a piece of paper is used as a form of verification of the identity and intent of the signer, a digital signature serves that same purpose for a digital message or document. A digital signature is pretty much exactly what it sounds like: a digital form of signature.
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