| 词条 | Conversations (software) | ||
| 释义 |
| name = Conversations | logo = Conversations (Instant Messenger) Logo.svg | logo alt = Logo | screenshot = | caption = | screenshot alt = | collapsible = | author = | developer = Daniel Gultsch | released = {{Start date and age|2014|||df=yes/no}} | discontinued = | latest release version = {{LSR}} | latest preview version = {{LPR}} | programming language = Java | operating system = Android 4.4 or later | platform = | size = 7.4 MB | language = | language count = | language footnote = | genre = instant messaging | licence = GPL (free software) | alexa = | website = {{URL|https://conversations.im/}} | standard = | AsOf = }} Conversations is a free instant messaging client for Android. It supports the exchange of encrypted text and picture messages. It is largely based on accepted open standards like the Extensible Messaging and Presence Protocol (XMPP) and Transport Layer Security (TLS). Development is focused on secure communication and implementation of XMPP extensions that are important for mobile usage. Specialist publications praised the decentralized and open transmission network and simple, intuitive usage with a workflow that is familiar from other applications. It is regarded as a serious attempt to improve the usability of XMPP-based messaging to a competitive level. The source code of the software is managed on GitHub and governed by the terms of version 3 of the GNU General Public License (GPL). Conversations can be installed from F-Droid in exchange for a donation, from the Google Play store for a small fee. Google counted over 50,000 installations as of 2018.[2] HistoryOn 24 January 2014, first code was submitted to the public repository.[3] The first official version 0.1 was published on 24 March 2014[4] when encrypted messengers for mobile devices gained a lot of popularity in the wake of the Snowden disclosures (June 2013–) and Facebook's acquisition of WhatsApp (February 2014).[5] It soon garnered some positive reviews.[7] In spring 2014 it was included into Google Play and starting with version 0.1.3 from 6 April 2014 into the alternative Android software repository F-Droid.[8] Since version 0.2 from 12 May picture messages (file transfers, as plain-text data or OpenPGP-encrypted) are supported, as of version 0.4 (June 30) also OTR-encrypted.[9]{{sps|date=January 2016}}[10] Version 1.0 followed on 1 February 2015.[11] Andreas Straub participated in the Google Summer of Code 2015 on behalf of Conversations.[12][13] This produced drafts for a new end-to-end encryption standard (OMEMO) that were submitted to the XMPP Standards Foundation (XSF) for standardisation.[14][15] In October 2015 the ChatSecure project announced that it is going to base the Android version of its messenger on the Conversations core and to be working on an iOS implementation of OMEMO.[16] On March 23, 2018, Conversations 2.0.0 was published. This version removed support for OTR encryption and enabled OMEMO by default (except in public MUCs). Version 2.3.0 which was published in September 2018 introduced support for TLS 1.3. FunctionalityConversations provides native support (i.e. without plugin) for end-to-end encryption (E2E) as well as point-to-point encryption. Conversations talks to XMPP servers using Transport Layer Security (TLS) and for E2E encryption there are OpenPGP and OMEMO to choose from. It allows several clients/devices to be signed into one account simultaneously (using XMPP) and also delivering messages to several clients (synchronization) using the protocol extension "Message Carbons" (XEP-0280) and Axolotl encryption. The design of the user interface strongly reminds of the Gmail app and Google+ Hangouts.[7] Files can be sent, with optional encryption. Sent images are shown inline with text messages in the conversation view.[9]{{sps|date=January 2016}} Being an XMPP client, Conversations inherently provides interoperability with other XMPP (client) software and isn't bound to server infrastructure of the manufacturer either.
Overview of implemented XEPsConversations masters the following XEP's, short for XMPP Extension Protocol, the official extensions of the XMPP protocol:[1]
See also
References1. ^{{cite web |url=https://github.com/siacs/Conversations/blob/master/docs/XEPs.md |title=Conversations/docs/XEPs.md |date=September 18, 2016 |website=GitHub |publisher= |pages=1 |format= |access-date=January 6, 2017 }} [2][3][4][5][6][7][8][9][10][11][12][13][14][15]2. ^1 {{Cite web|author=Gultsch, Daniel|title = Conversations (Jabber / XMPP)|url = https://play.google.com/store/apps/details?id=eu.siacs.conversations|accessdate = 2018-04-22|publisher = Google Inc.|website = Google Play}} 3. ^1 2 {{Cite web|author = Ehlert, David|title = Conversations – WhatsApp Alternative #9: XMPP im Google Style|url = http://www.n-droid.de/conversations-whatsapp-alternative-9-xmpp-im-google-style.html|date = 2014-03-25|accessdate = 2016-01-19|language = de|publisher = N-Droid Magazin}} 4. ^1 2 {{Cite web|title = Update zum Beitrag: Conversations: Neuer Jabber/XMPP Client für Android|url = http://netbunker.de/2014/05/14/update-zum-beitrag-conversations-neuer-jabberxmpp-client-fuer-android/|accessdate = 2016-01-20|language=de|website = Netbunker|author = Thom, Daniel|type=Blog|date = 2014-05-14}} 5. ^1 {{Cite web|author = Gultsch, Daniel|title = initial commit|url = https://github.com/siacs/Conversations/commit/35f8ab58f4b6f97f02031b056d2a5f6f993672cf|date = 2014-01-24|website = GitHub|accessdate = 2016-01-19|publisher = Conversations}} 6. ^1 {{Cite web|author = Gultsch, Daniel|title = Release 0.1|url = https://github.com/siacs/Conversations/releases/tag/0.1|date = 2014-03-24|website=GitHub|accessdate = 2016-01-19|publisher = Conversations}} 7. ^1 {{cite web|title=How Secure is TextSecure? |last1=Frosch |first1=Tilman |last2=Mainka |first2=Christian |last3=Bader |first3=Christoph |last4=Bergsma |first4=Florian |last5=Schwenk |first5=Jörg |last6=Holz |first6=Thorsten |publisher=Horst Görtz Institute for IT Security, Ruhr University Bochum |url=https://eprint.iacr.org/2014/904.pdf |format=PDF |website= Cryptology ePrint Archive|accessdate=}} 8. ^1 {{Cite web|author=F-Droid maintainers|title = eu.siacs.conversations|date = 2014-04-13|url = https://f-droid.org/wiki/?title=eu.siacs.conversations&diff=next&oldid=44260|accessdate = 2016-01-19|website = F-Droid wiki|type=Wiki}} 9. ^1 {{Cite web|url = https://github.com/siacs/Conversations/blob/master/CHANGELOG.md|title = Changelog|author = Gultsch, Daniel|website=GitHub|publisher = Conversations|date = |accessdate = 2016-01-20}} 10. ^1 {{Cite web|author = Gultsch, Daniel|title = Release 1.0|url = https://github.com/siacs/Conversations/releases/tag/1.0|website=GitHub|date = 2015-02-01|accessdate = 2016-01-19|publisher = Conversations}} 11. ^1 {{Cite web|title = Summer of Code 2015|url = http://wiki.xmpp.org/web/Summer_of_Code_2015#axolotl_support_for_Conversations|type=Wiki|accessdate = 2016-01-19|website = XMPP Wiki}} 12. ^1 {{Cite web|title = Project details: Axolotl support for Conversations|url = https://www.google-melange.com/gsoc/project/details/google/gsoc2015/strb/5750085036015616|accessdate = 2016-01-19|website = Google Summer of Code 2015 site}} 13. ^1 {{cite web|first = Andreas |last=Straub|title = OMEMO Encryption|url = https://xmpp.org/extensions/inbox/omemo.html|date = 25 October 2015|accessdate= 4 January 2016|work = XMPP Standards Foundation website}} 14. ^1 {{cite web|first = Daniel |last= Gultsch|title = OMEMO Encrypted Jingle File Transfer|url = https://xmpp.org/extensions/inbox/omemo-filetransfer.html|date = 2 September 2015|accessdate= 4 January 2016|website = XMPP Standards Foundation website}} 15. ^1 {{Cite web|url = https://chatsecure.org/blog/chatsecure-conversations-zom/|title = ChatSecure, Conversations and Zom|author = Ballinger, Chris|website = ChatSecure blog|type= Blog|publisher= ChatSecure|date = 2015-10-02|accessdate = 2016-01-19}} }} External links
3 : Android (operating system) software|Free and open-source Android software|Free XMPP clients |
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