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Wire offers end-to-end encrypted messaging, file-sharing, video and voice calls, and guest rooms for external communication. [15]The app allows group calling with up to twenty-five participants and video conferences support up to 12 people.
End-to-end encryption (E2EE) is a method of implementing a secure communication system where only communicating users can participate. No one else, including the system provider, telecom providers , Internet providers or malicious actors , can access the cryptographic keys needed to read or send messages.
Off-the-record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations. OTR uses a combination of AES symmetric-key algorithm with 128 bits key length, the Diffie–Hellman key exchange with 1536 bits group size, and the SHA-1 hash function.
Unified Communications (UC) is a marketing buzzword describing the integration of real-time, enterprise, communication services such as instant messaging (chat), presence information, voice (including IP telephony), mobility features (including extension mobility and single number reach), audio, web & video conferencing, fixed-mobile ...
Element (formerly Riot and Vector [13]) is a free and open-source software instant messaging client implementing the Matrix protocol. [14]Element supports end-to-end encryption, [15] private and public groups, sharing of files between users, voice and video calls, and other collaborative features with help of bots and widgets.
Messaging Layer Security (MLS) is a security layer for end-to-end encrypting messages. It is maintained by the MLS working group of the Internet Engineering Task Force, and is designed to provide an efficient and practical security mechanism for groups as large as 50,000 and for those who access chat systems from multiple devices.
Introducing end-to-end encryption on Facebook would be like “consciously turning a blind eye to child abuse”, the head of the National Crime Agency (NCA) has said.
A mechanical ratchet. The Double Ratchet Algorithm features properties that have been commonly available in end-to-end encryption systems for a long time: encryption of contents on the entire way of transport as well as authentication of the remote peer and protection against manipulation of messages.