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// Package otr3 implements the Off The Record protocol as specified in:
// https://otr.cypherpunks.ca/Protocol-v3-4.0.0.html
//
// Introduction
//
// Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing:
// Encryption
// Authentication
// Deniability
// Perfect forward secrecy
//
//
// Getting Started
//
// OTR library provides a Conversation API for Receiving and Sending messages
// import "otr3"
//
// c := &otr3.Conversation{}
//
// // You will need to prepare a long-term PrivateKey for otr conversation handshakes.
// var priv *otr3.DSAPrivateKey
// priv.Generate(rand.Reader)
// c.SetOurKeys([]otr3.PrivateKey{priv})
//
// // set the Policies.
// c.Policies.RequireEncryption()
// c.Policies.AllowV2()
// c.Policies.AllowV3()
// c.Policies.SendWhitespaceTag()
// c.Policies.WhitespaceStartAKE()
//
// // You can also setup a debug mode
// c.SetDebug(true)
//
// // Use Send and Receive for messages exchange
// toSend, err := c.Send(otr3.ValidMessage("hello"))
// plain, toSend, err := c.Receive(toSend[0])
//
// // Use Authenticate to start a SMP process
// toSend, err := c.StartAuthenticate([]byte{"My pet's name?"},[]byte{"Gopher"})
// toSend, err := c.ProvideAuthenticationSecret([]byte{"Gopher"})
package otr3
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