verified a signature

См. также в других словарях:

• Signature operator — Let X be a 4k dimensional compact Riemannian manifold. The signature operator is a elliptic differential operator defined on a subspace of the space of differential forms on X , whose analytic index is the same as the topological signature of the …   Wikipedia

• Blind signature — In cryptography, a blind signature, as introduced by David Chaum [David Chaum, Blind signatures for untraceable payments, Advances in Cryptology Crypto 82, Springer Verlag (1983), 199 203.] , is a form of digital signature in which the content 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

• XML Signature — (also called XMLDsig , XML DSig , XML Sig ) is a W3C recommendation that defines an XML syntax for digital signatures. Functionally, it has much in common with PKCS#7 but is more extensible and geared towards signing XML documents. It is used by… …   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

• 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

• Schnorr signature — In cryptography, a Schnorr signature is a digital signature produced by the Schnorr signature algorithm. Its security is based on the intractability of certain discrete logarithm problems. It is considered the simplest digital signature scheme to …   Wikipedia

• Designated verifier signature — A designated verifier signature is a signature scheme in which signatures can only be verified by a single designated verifier who is chosen by the signer. Designated verifier signatures were first proposed in 1996 by Jakobsson Sako, Kazue Sako,… …   Wikipedia

• Apostille convention — Convention of 5 October 1961 Abolishing the Requirement of Legalisation for Foreign Public Documents …   Wikipedia

• First-order logic — is a formal logical system used in mathematics, philosophy, linguistics, and computer science. It goes by many names, including: first order predicate calculus, the lower predicate calculus, quantification theory, and predicate logic (a less… …   Wikipedia

• Domain Name System Security Extensions — Internet protocol suite Application layer BGP DHCP DNS FTP HTTP …   Wikipedia