LOKI—a cryptographic primitive for authentication and secrecy applications
AUSCRYPT '90 Proceedings of the international conference on cryptology on Advances in cryptology
Differential cryptanalysis of the data encryption standard
Differential cryptanalysis of the data encryption standard
Differential cryptanalysis of Lucifer
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Improving Resistance to Differential Cryptanalysis and the Redesign of LOKI
ASIACRYPT '91 Proceedings of the International Conference on the Theory and Applications of Cryptology: Advances in Cryptology
ASIACRYPT '92 Proceedings of the Workshop on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
The Design of the ICE Encryption Algorithm
FSE '97 Proceedings of the 4th International Workshop on Fast Software Encryption
Impossible Differential Cryptanalysis of Zodiac
FSE '01 Revised Papers from the 8th International Workshop on Fast Software Encryption
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ICE is a 64-bit block cipher presented at the Fast Software Encryption Workshop in January 1997. It introduced the concept of a keyed permutation to improve the resistance against differential and linear cryptanalysis. In this paper we will show however that we can use low Hamming weighted differences to perform a practical, key dependent, differential attack on ICE. The main conclusion is that the keyed permutation is not as effective as it was conjectured to be.