symmetric scheme

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• Symmetric space — In differential geometry, representation theory and harmonic analysis, a symmetric space is a smooth manifold whose group of symmetries contains an inversion symmetry about every point. There are two ways to make this precise. In Riemannian… …   Wikipedia

• Hilbert scheme — In algebraic geometry, a branch of mathematics, a Hilbert scheme is a scheme that is the parameter space for the closed subschemes of some projective space (or a more general scheme), refining the Chow variety. The Hilbert scheme is a disjoint… …   Wikipedia

• Integrated Encryption Scheme — (IES) is a hybrid encryption scheme which provides semantic security against an adversary who is allowed to use chosen plaintext and chosen ciphertext attacks. The security of the scheme is based on the Diffie–Hellman problem. Two incarnations of …   Wikipedia

• Association scheme — In mathematics, association schemes are structures that appear in many different forms in the fields of combinatorics and statistics.DefinitionRecall that a binary relation R on a set X can be thought of as subset of X imes X. A k class… …   Wikipedia

• Madison Symmetric Torus — Infobox Magnetic Fusion Device name = Madison Symmetric Torus dev type=Reversed field pinch loc=Madison, Wisconsin, USA rad maj = 1.50 m rad min = 52 cm aspect = 2.88|The Madison Symmetric Torus (MST) is a reversed field pinch (RFP) physics… …   Wikipedia

• Blom's scheme — is a cryptographical symmetric threshold key exchange protocol.A trusted party gives each of the n participants a secret key and a public identifier, which enables any two participants to independently create a shared key for securely… …   Wikipedia

• Efficient Probabilistic Public-Key Encryption Scheme — EPOC (Efficient Probabilistic Public Key Encryption) is a probabilistic public key encryption scheme.EPOC was developed in 1999 by T. Okamoto, S. Uchiyama and E. Fujisaki of NTT Labs in Japan. It is based on the random oracle model, in which a… …   Wikipedia

• Automorphisms of the symmetric and alternating groups — In group theory, a branch of mathematics, the automorphisms and outer automorphisms of the symmetric groups and alternating groups are both standard examples of these automorphisms, and objects of study in their own right, particularly the… …   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

• Boneh/Franklin scheme — The Boneh/Franklin scheme is an Identity based encryption system proposed by Dan Boneh and Matthew K. Franklin in 2001 [Dan Boneh, Matthew K. Franklin, Identity Based Encryption from the Weil Pairing Advances in Cryptology Proceedings of CRYPTO… …   Wikipedia

• Public-key cryptography — In an asymmetric key encryption scheme, anyone can encrypt messages using the public key, but only the holder of the paired private key can decrypt. Security depends on the secrecy of that private key …   Wikipedia