Group calls have no authentication currently, meaning that non-room participants can also join the calls. Group voice and video calls are not E2EE, and use Jitsi, but this is expected to change with Native Group VoIP Signalling. Profile pictures, reactions, and nicknames are not encrypted. Messages and files shared in private rooms (those which require an invite) are by default E2EE as are one to one voice and video calls.
Signal Configuration and Hardening SimpleX Chat ¶Įlement is the reference client for the Matrix protocol, an open standard for secure decentralized real-time communication. We have some additional tips on configuring and hardening your Signal installation: The specification for the Signal protocol can be found in their documentation. The protocol was independently audited in 2016. Signal requires your phone number as a personal identifier. Sealed Sender is only enabled for people in your contacts list, but can be enabled for all recipients with the increased risk of receiving spam. The sender address is encrypted along with the message body, and only the recipient address is visible to the server. Signal has minimal metadata when Sealed Sender is enabled. The server has no record of your group memberships, group titles, group avatars, or group attributes. Personal profiles are also encrypted and only shared with contacts you chat with. Contact lists are encrypted using your Signal PIN and the server does not have access to them. The app provides instant messaging, as well as voice and video calling.Īll communications are E2EE.
Signal is a mobile app developed by Signal Messenger LLC.
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