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[ | [https://otr.cypherpunks.ca/ Off-the-Record Messaging], commonly referred to as '''OTR''', is a cryptographic protocol that provides strong encryption for instant messaging conversations. OTR uses a combination of the AES symmetric-key algorithm, the Diffie–Hellman key exchange, and the SHA-1 hash function. In addition to authentication and encryption, OTR provides perfect forward secrecy and malleable encryption. | ||
== Strengths == | == Strengths == | ||
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* [http://adium.im/ Adium] (Mac OS X) | * [http://adium.im/ Adium] (Mac OS X) | ||
* [http://bitlbee.org/ BitlBee] (Cross-platform) | * [http://bitlbee.org/ BitlBee] (Cross-platform) | ||
* [http://icanblink.com/ Blink Cocoa](Cross-platform) | |||
* [http://centerim.org/ CenterIM] (Unix-like) | * [http://centerim.org/ CenterIM] (Unix-like) | ||
* [http://climm.org/ climm] (Unix-like) | * [http://climm.org/ climm] (Unix-like) | ||
* [https://guardianproject.info/apps/ | * [https://guardianproject.info/apps/chatsecure/ ChatSecure (formerly Gibberbot)] (Android, iPhone, Mac, Linux or PC) | ||
* [http://jitsi.org/ Jitsi] (Cross-platform) | * [http://jitsi.org/ Jitsi (formerly SIP Communicator)] (Cross-platform) | ||
* [http://mcabber.com/ MCabber] (Unix-like) | * [http://mcabber.com/ MCabber] (Unix-like) | ||
* [http://phoenixviewer.com/ Phoenix Viewer], a Second Life client (Cross-platform) | * [http://phoenixviewer.com/ Phoenix Viewer], a Second Life client (Cross-platform) | ||
* [http:// | * [http://www.profanity.im/ Profanity]: [http://www.profanity.im/otr.html OTR page] | ||
* [http://psi-plus.com/ Psi+] (Cross-platform) | |||
* [http://www.xabber.org/ Xabber] (Android) | |||
* [http://yaxim.org/ yaxim] (Android) | |||
=== Plugin === | === Plugin === | ||
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* [http://irssi.org/ irssi] (Cross-platform) with [http://irssi-otr.tuxfamily.org/ irssi-otr] | * [http://irssi.org/ irssi] (Cross-platform) with [http://irssi-otr.tuxfamily.org/ irssi-otr] | ||
* [http://kopete.kde.org/ Kopete] (Unix-like) with [http://kopete-otr.follefuder.org/ Kopete Off-the-Record plugin] | * [http://kopete.kde.org/ Kopete] (Unix-like) with [http://kopete-otr.follefuder.org/ Kopete Off-the-Record plugin] | ||
* [http://miranda-im.org/ Miranda IM] (Microsoft Windows) with [https://code.google.com/p/mirotr/ MirOTR - OTR for Miranda IM | * [http://miranda-im.org/ Miranda IM] (Microsoft Windows) with [https://code.google.com/p/mirotr/ MirOTR - OTR for Miranda IM] | ||
* [http://pidgin.im/ Pidgin] (Cross-platform) with [ | * [http://miranda-ng.org/ Miranda NG] (Microsoft Windows) with [http://wiki.miranda-ng.org/index.php?title=Plugin:MirOTR MirOTR - OTR for Miranda NG] | ||
* [http:// | * [http://pidgin.im/ Pidgin (formely Gaim)] (Cross-platform) with [https://otr.cypherpunks.ca/#downloads OTR plugin for Pidgin] | ||
* [http://poez.io/ Poezio] with [http://poez.io/doc/plugins/otr.html pure-python-otr] | |||
* [http://salut-a-toi.org Salut à Toi] with plugin_sec_otr.py (installed by default) | |||
* [http://www.trillian.im/ Trillian] (Microsoft Windows) with [http://trillianotr.kittyfox.net/ Trillian OTR] | * [http://www.trillian.im/ Trillian] (Microsoft Windows) with [http://trillianotr.kittyfox.net/ Trillian OTR] | ||
* [http://weechat.flashtux.org/ WeeChat] (Cross-platform) with [http://irssi-otr.tuxfamily.org/ weechat-otr] | * [http://weechat.flashtux.org/ WeeChat] (Cross-platform) with [http://irssi-otr.tuxfamily.org/ weechat-otr] | ||
* [http:// | * [http://xchat.org/ XChat] (Cross-platform) with [http://irssi-otr.tuxfamily.org/ xchat-otr] | ||
=== Work in Progress === | === Work in Progress === | ||
* [http://telepathy.freedesktop.org/ Telepathy Gabble]: https://gitorious.org/jprvita-repos/telepathy-gabble/commits/otr | * [http://telepathy.freedesktop.org/ Telepathy Gabble]: [https://gitorious.org/jprvita-repos/telepathy-gabble/commits/otr code] : [http://blogs.gnome.org/xclaesse/2014/05/04/otr-in-empathy/ article] | ||
== External links == | == External links == | ||
* [ | * [https://otr.cypherpunks.ca/ Homepage] | ||
* [ | * [https://www.otr.im/ OTR.im - Whispering Off The Record] | ||
* [https://otr.cypherpunks.ca/software.php OTR-Enabled Software] | |||
* [https://otr.cypherpunks.ca/Protocol-v3-4.0.0.html Off-the-Record Messaging Protocol version 3] | |||
* [https://otr.cypherpunks.ca/Protocol-v2-3.1.0.html Off-the-Record Messaging Protocol version 2] |
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