Signal M1 Support. [2] The protocol was developed by Open Whisper Systems in 2013 [2] an
[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. . To use the Signal desktop app, Signal must first be installed on your phone. org/install from your phone. All Signal-to-Signal communication is private and end-to-end encrypted. State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. Signal users can send private messages and make secure calls to other Signal users anywhere in the world for free over the internet. We can't read your messages or listen to your calls, and no one else can either. Download Signal for Android, iOS, Linux, macOS, and Windows. Download Signal for Android, iOS, Linux, macOS, and Windows. Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger. "Signal", Signal logos, and other trademarks are trademarks or registered trademarks of Signal Technology Foundation in the United States and other countries (more info here). 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. Or visit signal. Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private. Jan 12, 2026 ยท Signal is a messaging app with privacy at its core.
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