Differential cryptanalysis of Lucifer
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Related-key cryptanalysis of 3-WAY, Biham-DES, CAST, DES-X, NewDES, RC2, and TEA
ICICS '97 Proceedings of the First International Conference on Information and Communication Security
A New Approach to Block Cipher Design
Fast Software Encryption, Cambridge Security Workshop
Reinventing the Travois: Encryption/MAC in 30 ROM Bytes
FSE '97 Proceedings of the 4th International Workshop on Fast Software Encryption
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Twofish is a new block cipher with a 128 bit block, and a key length of 128, 192, or 256 bits, which has been submitted as an AES candidate. In this paper, we briefly review the structure of Twofish, and then discuss the key schedule of Twofish, and its resistance to attack. We close with some open questions on the security of Twofish's key schedule.