authenticity of signature

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• Killian documents authenticity issues — During the Killian documents controversy in 2004, the authenticity of the documents themselves was disputed by a variety of individuals and groups. Proof of authenticity is not possible without original documents, and since CBS used only faxed… …   Wikipedia

• Digital signature — This article is about secure cryptographic signatures. For simple signatures in digital form, see Electronic signature. A digital signature or digital signature scheme is a mathematical scheme for demonstrating the authenticity of a digital… …   Wikipedia

• Quantum digital signature — A Quantum Digital Signature (QDS) refers to the quantum mechanical equivalent of either a classical digital signature or, more generally, a handwritten signature on a paper document. Like a handwritten signature, a digital signature is used to… …   Wikipedia

• Mozart symphonies of spurious or doubtful authenticity — Mozart, pictured in 1770 aged 13 This list of Mozart symphonies of spurious or doubtful authenticity contains 39 symphonic works where an initial attribution to Wolfgang Amadeus Mozart has subsequently been proved spurious, or is the subject of… …   Wikipedia

• Electronic signature — The term electronic signature has several meanings. Among the more expansive is that given by US law, influenced by ABA committee white papers and the uniform law promulgated by the National Conference of Commissioners on Uniform State Laws… …   Wikipedia

• ElGamal signature scheme — The ElGamal signature scheme is a digital signature scheme which is based on the difficulty of computing discrete logarithms. It was described by Taher ElGamal in 1984 (see T. ElGamal, A public key cryptosystem and a signature scheme based on… …   Wikipedia

• digital signature — See: electronic signature Category: Business, LLCs & Corporations → Self Employed Consultants & Contractors Nolo’s Plain English Law Dictionary. Gerald N. Hill, Kathleen Thompson Hill. 2009 …   Law dictionary

• electronic signature — An item of data incorporated into or associated with an electronically transmitted document or contract for use in establishing the authenticity of the communication. Under the Electronic Communications Act (2000) electronic signatures are… …   Big dictionary of business and management

• specimen signature — /spɛsəmən ˈsɪgnətʃə/ (say spesuhmuhn signuhchuh) noun a sample signature held by an organisation such as a bank to enable them to check the authenticity of signed cheques or documents …  

• certify — cer•ti•fy [[t]ˈsɜr təˌfaɪ[/t]] v. t. fied, fy•ing 1) to attest as certain; confirm: He certified the truth of her claim[/ex] 2) to testify to or vouch for in writing 3) to guarantee; endorse: to certify a document with an official seal[/ex] 4)… …   From formal English to slang

• Killian documents controversy — Further information: Killian documents authenticity issues and George W. Bush military service controversy Charles Johnson s animated GIF image comparing what CBS claimed to be a 1973 era typewritten memo with a 2004 era Microsoft Word… …   Wikipedia