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Signature of Benjamin Franklin. Signature of Empress Farah Pahlavi of Iran in Persian Handwriting.. The traditional function of a signature is to permanently affix to a document a person's uniquely personal, undeniable self-identification as physical evidence of that person's personal witness and certification of the content of all, or a specified part, of the document.
A digital signature is an authentication mechanism that enables the creator of the message to attach a code that acts as a signature. The Digital Signature Algorithm (DSA), developed by the National Institute of Standards and Technology , is one of many examples of a signing algorithm.
Digital authentication, or e-authentication, may be used synonymously when referring to the authentication process that confirms or certifies a person's identity and works. When used in conjunction with an electronic signature , it can provide evidence of whether data received has been tampered with after being signed by its original sender.
Autograph collecting is the practice of collecting autographs of famous persons. Some of the most popular categories of autograph subjects are politicians, military soldiers, athletes, movie stars, artists, social and religious leaders, scientists, astronauts, and authors.
Signature recognition is an example of behavioral biometrics that identifies a person based on their handwriting. It can be operated in two different ways: It can be operated in two different ways: Static: In this mode, users write their signature on paper, and after the writing is complete, it is digitized through an optical scanner or a ...
In Central and Eastern Europe, however, as in East Asia, a signature alone is considered insufficient to authenticate a document of any kind in business, and all managers, as well as many book-keepers and other employees, have personal seals [citation needed], normally just containing text, with their name and their position. These are applied ...
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The two best-known types of public key cryptography are digital signature and public-key encryption: In a digital signature system, a sender can use a private key together with a message to create a signature. Anyone with the corresponding public key can verify whether the signature matches the message, but a forger who does not know the ...