Linear Cryptanalysis of Light-Weight Block Cipher ICEBERG

摘要

ICEBERG is proposed by Standaert in FSE 2004 for reconfigurable hardware implementations. ICEBERG is a fast involutional SPN block cipher and all its components allow very efficient combinations of encryption or decryption. ICEBERG uses 64-bit block size and 128-bit key and the round number is 16. In this paper, we identify the 6-round linear approximation of ICEBERG. Then we present an attack on 7 round of ICEBERG.