2.The text discusses computer's principle and method of special information encipher and decipher. The text indicates program example of encipher and decipher and its actual application.
1.Nowadays " end-to-end" encryption—the method of enciphering your messages so that they look garbled to anyone who should intercept them en route—is widely available on apps such as Meta's WhatsApp, Apple's iMessage and Signal.
如今,“端到端”加密——一种对息进行加密方法,使它们在途中被该拦截它们人看起来都是乱码——在 Meta WhatsApp、Apple iMessage 和 Signal 等用程序上广泛使用。机翻