traditional cryptography

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• Cryptography — Secret code redirects here. For the Aya Kamiki album, see Secret Code. Symmetric key cryptography, where the same key is used both for encryption and decryption …   Wikipedia

• Cryptography in Japan — There is not much cryptological history in Japan prior to the twentieth century, only a few simple codes were used and there seems to have been no practice of cryptanalysis at all.There seems to be almost no cryptology in Japan before the Warring …   Wikipedia

• Financial cryptography — (FC) is the use of cryptography in applications in which financial loss could result from subversion of the message system.Cryptographers think of the field as originating in the work of Dr David Chaum who invented the blinded signature. This… …   Wikipedia

• Quantum cryptography — Quantum cryptography, or quantum key distribution (QKD), uses quantum mechanics to guarantee secure communication. It enables two parties to produce a shared random bit string known only to them, which can be used as a key to encrypt and decrypt… …   Wikipedia

• Transient-key cryptography — is a form of public key cryptography wherein keypairs are generated and assigned to brief intervals of time instead of to individuals or organizations. In a transient key system, private keys are used briefly and then destroyed, which is why it… …   Wikipedia

• Multiple channel cryptography — Infobox block cipher name = MCC designers = Richard Ervasti publish date = 2008 ndash;02 key size = variable block size = variable structure = SPN rounds = 2 cryptanalysis = Multiple channel cryptography (MCC) is an emerging approach to block… …   Wikipedia

• IEEE P1363 — is an Institute of Electrical and Electronics Engineers (IEEE) standardization project for public key cryptography. It includes specifications for: Traditional public key cryptography (IEEE Std 1363 2000 and 1363a 2004) Lattice based public key… …   Wikipedia

• Cryptanalysis — Close up of the rotors in a Fialka cipher machine Cryptanalysis (from the Greek kryptós, hidden , and analýein, to loosen or to untie ) is the study of methods for obtaining the meaning of encrypted information, without access to the secret… …   Wikipedia

• crypt (Unix) — In Unix computing, crypt is the name of both a utility program and a C programming function. Though both are used for encrypting data, they are otherwise essentially unrelated. To distinguish between the two, writers often refer to the utility… …   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

• 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