digital signature scheme

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• 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

• Merkle signature scheme — The Merkle signature scheme is a digital signature scheme based on hash trees (also called Merkle trees) and one time signatures such as the Lamport signature scheme. It was developed by Ralph Merkle in the late 70s and is an alternative to… …   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

• GGH signature scheme — The Goldreich Goldwasser Halevi (GGH) signature scheme is a digital signature scheme proposed in 1995 and published in 1997, based on solving the closest vector problem (CVP) in a lattice. The signer demonstrates knowledge of a good basis for the …   Wikipedia

• Digital Signature Algorithm — The Digital Signature Algorithm (DSA) is a United States Federal Government standard or FIPS for digital signatures. It was proposed by the National Institute of Standards and Technology (NIST) in August 1991 for use in their Digital Signature… …   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

• Digital credential — Digital credentials are the digital equivalent of paper based credentials. Just as a paper based credential could be a passport, a Driver s license, a membership certificate or some kind of ticket to obtain some service, such as a cinema ticket… …   Wikipedia

• Signature (disambiguation) — A signature is a hand written, stylized version of someone s name.Signature may also mean: NOTOC In computers*Signature block, text automatically appended at the bottom of an e mail message, Usenet article, or forum post. *Method signature, in… …   Wikipedia

• Lamport signature — In cryptography, a Lamport signature or Lamport one time signature scheme is a method for constructing a digital signature. Lamport signatures can be built from any cryptographically secure one way function; usually a cryptographic hash function… …   Wikipedia

• Pointcheval-Stern signature algorithm — In cryptography, the Pointcheval Stern signature algorithm is a digital signature scheme based on the closely related ElGamal signature scheme. It changes the ElGamal scheme slightly to produce an algorithm which has been proven secure in a… …   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