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Signal (software) Signal is an open-source, encrypted messaging service for instant messaging, voice calls, and video calls. [14][15] The instant messaging function includes sending text, voice notes, images, videos, and other files. [16] Communication may be one-to-one between users or may involve group messaging.
Signal refers to both the process and the result of transmission of data over some media accomplished by embedding some variation. Signals are important in multiple subject fields including signal processing, information theory and biology. In signal processing, a signal is a function that conveys information about a phenomenon. [1]
The Signal Technology Foundation, commonly known as the Signal Foundation, [2] [3] is an American non-profit organization founded in 2018 by Moxie Marlinspike and Brian Acton. [4] Its mission is to "protect free expression and enable secure global communication through open source privacy technology ."
The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging conversations. [2] The protocol was developed by Open Whisper Systems in 2013 [ 2 ] and was introduced in the open-source TextSecure app, which later became Signal .
Signal (Korean: ์๊ทธ๋) is a South Korean television series written by Kim Eun-hee, directed by Kim Won-seok, and starring Lee Je-hoon, Kim Hye-soo, and Cho Jin-woong. Based on the 2000 film Frequency in premise and inspired by real-life criminal incidents in Korea, [ 1 ] including the Hwaseong serial murders .
moxie.org. Matthew Rosenfeld, better known by the pseudonym Moxie Marlinspike, is an American entrepreneur, cryptographer, and computer security researcher. [1][3] Marlinspike is the creator of Signal, co-founder of the Signal Technology Foundation, and served as the first CEO of Signal Messenger LLC. He is also a co-author of the Signal ...
They are a limited form of inter-process communication (IPC), typically used in Unix, Unix-like, and other POSIX -compliant operating systems. A signal is an asynchronous notification sent to a process or to a specific thread within the same process to notify it of an event. Common uses of signals are to interrupt, suspend, terminate or kill a ...
SIGNAL (programming language), a synchronous programming language. Signal (messaging app), an end-to-end encrypted voice calling, video calling and instant messaging application. Signal Protocol, a cryptographic protocol used by the Signal application. Signal (IPC), a form of inter-process communication used in Unix and related operating systems.