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Live streaming. In August 2015, Facebook began to allow users to live stream video. Streams appear on the News Feed, and users can comment on them in real-time. Live broadcasts are automatically saved as a video post to the streamer's page. The feature was positioned as a competitor to services such as Meerkat and Periscope.
Stream cipher. The operation of the keystream generator in A5/1, an LFSR-based stream cipher used to encrypt mobile phone conversations. A stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher digit stream ( keystream ). In a stream cipher, each plaintext digit is encrypted one at a time with the ...
Keystream. In cryptography, a keystream is a stream of random or pseudorandom characters that are combined with a plaintext message to produce an encrypted message (the ciphertext). The "characters" in the keystream can be bits, bytes, numbers or actual characters like A-Z depending on the usage case. Usually each character in the keystream is ...
Facebook Watch (currently rebranding to Facebook Video) is a video on demand service operated by American company Meta Platforms (previously named Facebook, Inc.). The company announced the service in August 2017 and it was available to all U.S. users that month. Facebook Watch's original video content is produced for the company by others, who ...
training key - (NSA) unclassified key used for instruction and practice exercises. Type 1 key - (NSA) keys used to protect classified information. See Type 1 product. Type 2 key - (NSA) keys used to protect sensitive but unclassified (SBU) information. See Type 2 product. Vernam key - Type of key invented by Gilbert Vernam in 1918. See stream key.
Key highlights include: Messenger chatbots and a new bot engine, open source virtual reality camera, more tools for Facebook apps and Facebook Live, allowing businesses to send sponsored messages to people who have messaged them in the past, more changes around improving rights management for videos, and increased support for React Native from ...
List of Facebook Watch original programming. Facebook Watch is a service that provides streaming of videos hosted by Facebook and access to "Facebook Original" series, shows that receive funding from Facebook. The service officially launched as Facebook Watch on August 10, 2017. For short-form videos, Facebook originally had a budget of roughly ...
Public-key cryptography, or asymmetric cryptography, is the field of cryptographic systems that use pairs of related keys. Each key pair consists of a public key and a corresponding private key. [1] [2] Key pairs are generated with cryptographic algorithms based on mathematical problems termed one-way functions.