Known Plaintext Attack for Stream Cipher MAG Algorithm
Chenhui Jin · Jisuanji gongcheng · 2010
Aiming at the different characteristics of initialization process and the key stream generation of My Array Generator(MAG) algorithm,this paper gives two kinds of forward inversion attack algorithm based on known plaintext assumption.For the 80 bit and 128 bit keys,it can recover 40 bit and 32 bit key respectively with 128 consecutive known key stream byte and the computing complexity O(214).Simulation results show that the average attack time is about 9 min,and the attack success rate is 1.