A Proposal on a Multiple-Cycle Binary Sequence Generator with a ST-LFSR
Hoon Jae Lee, Hee-Bong Choi · Journal of the Korea Industrial Information Systems Research · 2002
The number of keystream cycle sequences has been proposed as a characteristic of binary sequence generators for cryptographic applications, but in general most binary sequence generators have the only one-cycle sequence. In this paper, we propose a switching-tap LFSR as a basic function of a multiple-cycle binary sequence generator and the improved Rueppel's multiple-cycle generator. Finally we analyze its period, linear complexity, and the number of its keystream cycle sequences.