Empirical Verification of Twofish Key Uniqueness Properties


Published: Apr 02, 2000 Updated: Apr 02, 2000 Section: Network Security Library :: Cryptography Author: D. Whiting Printable Version Adjust font size: 1 2 3 4 5

Twofish is a 128-bit block cipher submitted as an AES candidate. Each distinct Twofish key generates a unique sequence of subkeys Ki, and each round function F is unique for a distinct value of the S bits used to generate the S-boxes. Thus, no two distinct keys result in an identical sequence of round functions.

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