computer encryption device造句

He also issued a decree requiring the licensing of computer encryption devices, providing KGB access to all data transmission.
Devices _ including computer encryption devices, firewalls and military radios _ that keep communications from prying eyes and ears were among the most frequently targeted by the foreign interests.
The terrorists'shopping list, the Customs Service says, includes missiles, grenades, grenade launchers and other munitions; aircraft parts; certain computer encryption devices; and components of biological, chemical and nuclear weapons, as well as items that might be used to manufacture or deliver such weapons.
It's difficult to find computer encryption device in a sentence. 用computer encryption device造句挺难的