LEX (cipher)

LEX is a stream cipher based on the round transformation of AES. LEX provides the same key agility and short message block performance as AES while handling longer messages faster than AES. In addition, it has the same hardware and software flexibility as AES, and hardware implementations of LEX can share resources with AES implementations.

A new revision of LEX protects against a slide attack found in an earlier version.

External links

eSTREAM page on LEX

Stream ciphers

Widely used ciphers

eSTREAM Portfolio

Software	HC-256 Rabbit Salsa20 SOSEMANUK

Hardware	Grain MICKEY Trivium

Other ciphers

Theory

Attacks

Cryptography

History of cryptography Cryptanalysis Outline of cryptography

Symmetric-key algorithm Block cipher Stream cipher Public-key cryptography Cryptographic hash function Message authentication code Random numbers Steganography

Category Portal WikiProject

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