The process of encoding a message so that it can be read only by the sender and the intended recipient. Encryption systems often use two keys, a public key, available to anyone, and a private key that allows only the recipient to decode the message. (See also cryptography.)
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How to use encryption in a sentence
Snowden contacted Poitras in mid-January 2013 after failing to connect with Greenwald due to his lack of encryption.
And then Glenn finally got on encryption, came on a plane to New York, and off we went.
With the Assange movie, there are sequences like the [Vincente] Minnelli-like visual explorations of an encryption system.Can Condon's Freak Show Win Broadway?|Tim Teeman|November 18, 2014|DAILY BEAST
In November 2013, well before U.S. bombs started falling, “ISIS did launch a Web-based encryption tool,” Ahlberg said.ISIS Keeps Getting Better at Dodging U.S. Spies|Shane Harris, Noah Shachtman|November 14, 2014|DAILY BEAST
Instead of a lock and key, you get “strong encryption to protect evidence data in transit and at rest.”Your Arrest Video Is Going Online. Who Will See It?|Jacob Siegel|September 11, 2014|DAILY BEAST