bivium

n.

二道体区；

Attacking Bivium with MiniSat
Attacking Bivium Using SAT Solvers
Attacking Bivium Using SAT Solvers
Bivium as a Mixed-Integer Linear Programming Problem
Optimising Gröbner Bases on Bivium
Optimising Gr\"obner bases on Bivium.
Attacking Bivium and Trivium with the Characteristic Set Method
Attacking Bivium and Trivium with the characteristic set method
Comparing and optimising two generic attacks on bivium
Improved Algebraic Cryptanalysis of QUAD, Bivium and Trivium via Graph Partitioning on Equation Systems