def generate_shikata_block(state, length, cutoff)
    # Declare logical registers
    key_reg = Rex::Poly::LogicalRegister::X86.new('key', 'eax')
    count_reg = Rex::Poly::LogicalRegister::X86.new('count', 'ecx')
    addr_reg  = Rex::Poly::LogicalRegister::X86.new('addr')