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MSNP (Windows Live Messenger, etc.) MTProto Telegram Messenger LLP 2013 Aug Open standard: Phone number (e.g. +15550123), nickname (e.g. @example) Yes Yes No end-to-end encryption for group chats Yes No Yes Yes, contact blocking Yes Yes [13] Yes Yes Yes No ? MTProto Mumble: Thorvald Natvig 1999 Jul Open standard: Username Yes Yes No
Yahoo! Messenger (sometimes abbreviated Y!M) was an instant messaging client and associated protocol created and formerly operated by Yahoo!.Yahoo! Messenger was provided free of charge and could be downloaded and used with a generic "Yahoo ID", which also allowed access to other Yahoo! services, such as Yahoo!
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.
Off-the-Record Messaging (OTR) is an extension of XMPP enabling encryption of messages and data. It has since been replaced by a better extension, multi-end-to-multi-end encryption (OMEMO, XEP-0384) end-to-end encryption between users. This gives a higher level of security, by encrypting all data from the source client and decrypting again at ...
Yahoo! Messenger added video capabilities in 2001; [32] by 2005, such features were built-in also in AIM, MSN Messenger, and Skype. [33] There were a reported 100 million users of instant messaging in 2001. [34] As of 2003, AIM was the globally most popular instant messenger with 195 million users and exchanges of 1.6 billion messages daily. [2]
The landscape for instant messaging involves cross-platform instant messaging clients that can handle one or multiple protocols. [1] Clients that use the same protocol can typically federate and talk to one another.
Gaim 2.0.0 beta 6 running under GNOME 2.16.0. The program was originally written by Mark Spencer, an Auburn University sophomore, as an emulation of AOL's IM program AOL Instant Messenger on Linux using the GTK+ toolkit. [6] The earliest archived release was on December 31, 1998. [7] It was named GAIM (GTK+ AOL Instant Messenger) accordingly.
In cryptography, the Double Ratchet Algorithm (previously referred to as the Axolotl Ratchet [2] [3]) is a key management algorithm that was developed by Trevor Perrin and Moxie Marlinspike in 2013. It can be used as part of a cryptographic protocol to provide end-to-end encryption for instant messaging .