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Off-the-Record Messaging protocol

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. In addition to authentication and encryption, OTR provides forward…

History, Client support & Overview

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Developer
OTR Development Team
License
LGPL v2.1+
Operating system
Cross-platform
Stable release
4.1.1 / 9 March 2016; 10 years ago (2016-03-09)
Type
Software Library
Written in
C

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Overview

History

Implementation

Authentication

Limitations

Client support

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Map overview Semantic statistics

Off-the-Record Messaging protocol

Nodes79
Edges78
Triples7
Avg. degree1.97
Density0.025316
Components1

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Off-the-Record Messaging protocol

Top relations

Developer · 1
Off-the-Record Messaging protocol → OTR Development Team
License · 1
Off-the-Record Messaging protocol → LGPL v2.1+
Operating system · 1
Off-the-Record Messaging protocol → Cross-platform
Stable release · 1
Off-the-Record Messaging protocol → 4.1.1 / 9 March 2016; 10 years ago (2016-03-09)
Type · 1
Off-the-Record Messaging protocol → Software Library
Website · 1
Off-the-Record Messaging protocol → otr.cypherpunks.ca/index.php#downloads
Written in · 1
Off-the-Record Messaging protocol → C

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Important terminology

otr protocol conversations version messaging support off-the-record authentication key ian goldberg communication encryption instant used client published participants xmpp introduced

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Off-the-Record Messaging protocolDeveloperOTR Development Team1.00infobox
Off-the-Record Messaging protocolLicenseLGPL v2.1+1.00infobox
Off-the-Record Messaging protocolOperating systemCross-platform1.00infobox
Off-the-Record Messaging protocolStable release4.1.1 / 9 March 2016; 10 years ago (2016-03-09)1.00infobox
Off-the-Record Messaging protocolTypeSoftware Library1.00infobox
Off-the-Record Messaging protocolWebsiteotr.cypherpunks.ca/index.php#downloads1.00infobox
Off-the-Record Messaging protocolWritten inC1.00infobox

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