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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.
Jami (formerly GNU Ring, SFLphone) is a SIP-compatible distributed peer-to-peer softphone and SIP-based instant messenger for Linux, Microsoft Windows, macOS, iOS, and Android. Jami was developed and maintained by the Canadian company Savoir-faire Linux , [ 5 ] [ 6 ] and with the help of a global community of users and contributors, Jami ...
Examples of such messaging services include: Skype, Facebook Messenger, Google Hangouts (subsequently Google Chat), Telegram, ICQ, Element, Slack, Discord, etc. Users have more options as usernames or email addresses can be used as user identifiers, besides phone numbers. Unlike the phone-based model, user accounts on a multi-device model are ...
In 2008, Facebook Chat launched, which evolved into Facebook Messenger in 2011 and allows users to message each other via the Facebook site. Twitter followed suit and introduced direct messages to their site in 2013. [citation needed] Today, private messaging is a staple of established social media platforms and more recently-developed ...
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.
Around 2011, AIM started to lose popularity rapidly, partly due to the quick rise of Gmail and its built-in real-time Google Chat instant messenger integration in 2011 and because many people migrated to SMS or iMessages text messaging and later, social networking websites and apps for instant messaging, in particular, Facebook Messenger, which was released as a standalone application the same ...
The group chat protocol is a combination of a pairwise double ratchet and multicast encryption. [18] In addition to the properties provided by the one-to-one protocol, the group chat protocol provides speaker consistency, out-of-order resilience, dropped message resilience, computational equality, trust equality, subgroup messaging, as well as ...
MSNP (Windows Live Messenger, etc.) Microsoft: 1999 Jul Proprietary: Email address (Microsoft account) Yes No No Only for certified robots No Centralistic Yes Yes Yes Yes Yes Yes No ? MSNP (Windows Live Messenger, etc.) MTProto Telegram Messenger LLP 2013 Aug Open standard: Phone number (e.g. +15550123), nickname (e.g. @example) Yes Yes