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An electronic signature, or e-signature, is data that is logically associated with other data and which is used by the signatory to sign the associated data. [1] [2] [3] This type of signature has the same legal standing as a handwritten signature as long as it adheres to the requirements of the specific regulation under which it was created (e.g., eIDAS in the European Union, NIST-DSS in the ...
A digital signature scheme typically consists of three algorithms: A key generation algorithm that selects a private key uniformly at random from a set of possible private keys.
A file signature is data used to identify or verify the content of a file. Such signatures are also known as magic numbers or magic bytes.. Many file formats are not intended to be read as text.
Yang Tengbo (Chinese: 杨腾波, [1] born () 21 March 1974), also known as Chris Yang, is a Chinese businessman. He was barred from the United Kingdom by the Home Office in 2023 following accusations that he was using his relationship with Prince Andrew, Duke of York to spy for the Chinese government in the United Kingdom.
Date/Time Thumbnail Dimensions User Comment; current: 00:31, 9 March 2009: 420 × 65 (11 KB): Ichwan Palongengi {{Information |Description={{en|1=The signature of Sukarno, first president of the Republic of Indonesia}} {{id|1=Tanda tangan Presiden Soekarno, presiden Indonesia yang pertama}} |Source=Own work by uploader |Author=[[User:Ichwan Palongengi|Ichwan Palong
What might be considered the oldest "autograph" is a Sumerian clay table from about 3100 BC which includes the name of the scribe Gar.Ama. No ancient written autographs have been found, and the earliest one known for a major historical figure is that of El Cid from 1098.
In cryptography, a ring signature is a type of digital signature that can be performed by any member of a set of users that each have keys.Therefore, a message signed with a ring signature is endorsed by someone in a particular set of people.
Blind signature schemes see a great deal of use in applications where sender privacy is important. This includes various "digital cash" schemes and voting protocols.For example, the integrity of some electronic voting system may require that each ballot be certified by an election authority before it can be accepted for counting; this allows the authority to check the credentials of the voter ...