A signature is a hand-written, stylized version of someone's name. For other uses, see Signature (disambiguation). ...

Look up Signature in Wiktionary, the free dictionary.

Signature may also mean: Wikipedia does not have an article with this exact name. ... Wiktionary is a Wikimedia Foundation project intended to be a free wiki dictionary (hence: Wiktionary) (including thesaurus and lexicon) in every language. ...

In computers

• Signature block, text automatically appended at the bottom of an e-mail message, Usenet article, or forum post.
• Method signature, in computer programming, especially object-oriented programming, how a method is commonly identified.
• Type signature, defines the inputs and outputs for a function or method.

A signature block (often abbreviated as signature, sig block, sig file, or just sig) is a block of text automatically appended at the bottom of an e-mail message, Usenet article, or forum post. ... This article or section should be merged with type signature In computer programming, especially object-oriented programming, a method is commonly identified by its unique method signature. ... A type signature defines the inputs and outputs for a function or method. ...

In cryptography

• Blind signature, digital signature in which the content of a message is disguised.
• Digital signature (or public-key digital signature), a method for authenticating information.
• Digital Signature Algorithm, a United States Federal Government standard.
• Electronic signature, a signature imputed to a text via one or more of several electronic means, or cryptographic means to add non-repudiation and message integrity features to a document.
• ElGamal Signature scheme, based on the difficulty of computing discrete logarithms
• Key signature (cryptography), the result of applying a hash function on a key.
• XML Signature, a W3C recommendation that defines an XML syntax.

In cryptography, a blind signature is a form of digital signature in which the content of a message is disguised (blinded) before it is signed. ... Digital signature (or public-key digital signature) is an encryption scheme for authenticating digital information that should not be confused with ordinary physical signatures on paper or with an electronic signature, but implemented using techniques from the field of public-key cryptography. ... The Digital Signature Algorithm (DSA) is a United States Federal Government standard for digital signatures. ... In recent years, the terms electronic signature and digital signature have come into widespread, and somewhat confused, use. ... The ElGamal Signature scheme is a digital signature scheme which is based on the difficulty of computing discrete logarithms. ... XML Signature (also called XMLDsig) is a W3C recommendation that defines an XML syntax for digital signatures. ...

In music

• Signature song, the one song that a popular and well-established artist is identified with.
• Key signature, a series of sharp or flat symbols placed on the staff, designating notes that are to be played one semitone higher or lower.
• Time signature, a notational device used to specify how many beats are in each bar and which note value constitutes one beat.
• Signature (news music), a news music and station image package compsoed by Stephen Arnold.

A signature song is the one song (or, in some cases, one of a few songs) that a popular and well-established singer, or band, is most closely identified with, even though they have had success with a variety of songs. ... In musical notation, a key signature is a series of sharp symbols or flat symbols placed on the staff, designating notes that are to be played one semitone higher or lower unless otherwise noted with an accidental. ... The time signature (also known as meter signature) is a notational device used in Western musical notation to specify how many beats are in each bar and which note value (minim (half-note), crotchet (quarter-note), quaver (eighth-note), and so on) constitutes one beat. ... Signature is a television news music package composed by Stephen Arnold. ... Stephen Arnold is an internationally recognized composer of music for films, television, and commercial productions. ...

In science

• Spectral signature, the specific combination of reflected and absorbed electromagnetic (EM) radiation at varying wavelengths which can uniquely identify an object.
• Signature change, in relativity.
• Signature (mathematics)
• Isotopic signature, a characteristic set of ratios of stable or unstable isotopes.
• Signature (physics), refers to the form of a metric tensor. The sign of the diagonal components constitutes its "signature".

Spectral signatures are the specific combination of reflected and absorbed electromagnetic (EM) radiation at varying wavelengths which can uniquely identify an object. ... In mathematics, signature can refer to The signature of a permutation is ±1 according to whether it is an even/odd permutation. ... An isotopic signature (also isotopic fingerprint) is a ratio of stable or unstable isotopes of particular elements found in an investigated material. ...

Other

• In bookbinding, a large sheet of paper printed with several pages, which, when folded, is intended to form four or more leaves in the finished book
• A signature mark, a mark at the bottom of signatures to assist the bookbinder.
• Doctrine of signatures, in Christian European metaphysics.
• Diabolical signature, in demonology, the signature of a devil, demon or similar spirit, usually in order to sign your soul away.
• Signature Records, a mid-20th century United States-based record label.
• Signatures, a restaurant formerly owned by Washington lobbyist Jack Abramoff.
• Signature Theatres is a movie theatre chain in California, Hawaii, and Montana operated by Regal Entertainment Group.