Date of Publication :7th June 2015

Abstract: In this paper we have discussed about the encryption of the instant messaging service using the “Off The Record” method(OTR) method technique. The primary motivation behind the protocol was providing deniable authentication for the conversation participants while keeping conversations confidential, like a private conversation in real life. An urge to provide OTR as secure messaging tools in several messaging application has been shown in the research paper.

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