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An email signature block example, using a female variant of the Alan Smithee pseudonym.. A signature block (often abbreviated as signature, sig block, sig file, .sig, dot sig, siggy, or just sig) is a personalized block of text automatically appended at the bottom of an email message, Usenet article, or forum post.
Signature use that is intentionally and persistently disruptive may lead to blocks. When editing a page , main namespace pages (which are all Wikipedia articles) should not be signed, because the content is a shared work, based on the contributions of many people, and one editor should not be singled out or "credited" above others.
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 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. If such a file is accidentally viewed as a text file, its contents will be unintelligible.
Seals can serve as identification with signatures because they are more difficult to forge than a signature, and only the owner has access to his own seal. Seals are also often used on Chinese calligraphy works and Chinese paintings , usually imprinted in such works in the order (from top to bottom) of name seal, leisure seal(s), then studio seal.
Signature block, text automatically appended at the bottom of electronic messages; Electronic signature, a digital form of identity or intent validation; File signature, data used to identify or verify the contents of a file; Type signature, a definition of the inputs and outputs for a function or method; XML Signature, a W3C recommendation
.sig, a signature block in e-mail; sig as a loanword may refer to: Sig. (Italian), abbreviation of Signore; Sig., patient instructions in a medical prescription; SIG (capitalized) may refer to: Fernando Luis Ribas Dominicci Airport San Juan, Puerto Rico, IATA code; SIG (band), a Finnish band
Alice signs a message—"Hello Bob!"—by appending a signature computed from the message and her private key. Bob receives both the message and signature. He uses Alice's public key to verify the authenticity of the signed message. A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A ...