Difference between revisions of "Gajim"

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[[Category:Internet Applications (English)]]
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[[Category:Internet Applications]]
[[Category:Security (English)]]
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[[Category:Security]]
== Gajim and OTR ==
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'''OTR''' (off-the-record) encryption is strong end-to-end encryption protocol for instant messaging ([http://www.cypherpunks.ca/otr/ read more]). OTR hasn't any XMPP XEP, because OTR is of cross-protocol nature.  
 
'''OTR''' (off-the-record) encryption is strong end-to-end encryption protocol for instant messaging ([http://www.cypherpunks.ca/otr/ read more]). OTR hasn't any XMPP XEP, because OTR is of cross-protocol nature.  
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Since version 0.15, Gajim has powerful plugin system. The [http://trac-plugins.gajim.org/wiki/OffTheRecordPlugin gotr] plugin is used to provide OTR encryption, and it depends on ''python-potr'', the modern OTR protocol implementation written on python by Kjell Bradden.
 
Since version 0.15, Gajim has powerful plugin system. The [http://trac-plugins.gajim.org/wiki/OffTheRecordPlugin gotr] plugin is used to provide OTR encryption, and it depends on ''python-potr'', the modern OTR protocol implementation written on python by Kjell Bradden.
  
=== Installation ===
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== Installation ==
 
To install the plugin follow these simple steps:
 
To install the plugin follow these simple steps:
  
# Install/update to lastest version of Gajim. Be sure, that version >= 0.15. If 0.15 version is not available, install [https://aur.archlinux.org/packages.php?ID=27152 aur:gajim-hg];
 
 
# Install [https://aur.archlinux.org/packages.php?ID=56560 aur:pure-python-otr-git];
 
# Install [https://aur.archlinux.org/packages.php?ID=56560 aur:pure-python-otr-git];
 
# Install/update the gajim plugins from hg.
 
# Install/update the gajim plugins from hg.
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# [Re]Start gajim;
 
# [Re]Start gajim;
  
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== Configuration ==
 
At first time, you also need to activate OTR plugin:
 
At first time, you also need to activate OTR plugin:
 
# Go to menu Edit => Modules;
 
# Go to menu Edit => Modules;
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# Close dialogs to save the changes.
 
# Close dialogs to save the changes.
  
=== Troubleshooting ===
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== Troubleshooting ==
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'''Q''': "Off-the-record encryption" is not shown in ''Modules''.
  
'''Q''': "Off-the-record encryption" is not shown in ''Modules''.<br/>
 
 
'''A''': Be sure, that ''~/.local/share/gajim/plugins/gotr/'' is not empty and '''python-potr''' installed on latest version.
 
'''A''': Be sure, that ''~/.local/share/gajim/plugins/gotr/'' is not empty and '''python-potr''' installed on latest version.
  
'''Q''': There are no ''Modules'' item in gajim menu.<br/>
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'''Q''': There are no ''Modules'' item in gajim menu.
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'''A''': Go to Help => About. The gajim version should be 0.15 or something like 0.14.0.1-b9cb32f5badd, where "b9cb32f5badd" is any commit id, if gajim-hg is used. If not, update gajim as said earlier.
 
'''A''': Go to Help => About. The gajim version should be 0.15 or something like 0.14.0.1-b9cb32f5badd, where "b9cb32f5badd" is any commit id, if gajim-hg is used. If not, update gajim as said earlier.
 
== Gajim <= 0.13 ==
 
 
Note: [http://hg.gajim.org/gajim/shortlog/c43a1b01d54d gajim's otr-branch] is unmaintained and obsoleted by gajim's plugin system (read above).
 
 
You can use [https://aur.archlinux.org/packages.php?ID=38813 aur:gajim-otr-hg] PKGBUILD to build OTR-compatible 0.13 version of gajim. Main issues are:
 
 
* Received otr-encrypted messages with HTML markup will be rendered raw, unformatted, with HTML tags;
 
 
The OTR setting will be located in the last tab of gajim parameters (Ctrl+P) -> Off-the-record encryption. At first time, you need to generate own key on this tab using "Generate" button (this will take some time).
 

Revision as of 03:10, 28 November 2012


OTR (off-the-record) encryption is strong end-to-end encryption protocol for instant messaging (read more). OTR hasn't any XMPP XEP, because OTR is of cross-protocol nature.

And Gajim is a powerful XMPP-client without OTR support out-of-the-box.

Gajim >= 0.15 (or gajim-hg)

Since version 0.15, Gajim has powerful plugin system. The gotr plugin is used to provide OTR encryption, and it depends on python-potr, the modern OTR protocol implementation written on python by Kjell Bradden.

Installation

To install the plugin follow these simple steps:

  1. Install aur:pure-python-otr-git;
  2. Install/update the gajim plugins from hg.
    1. To go through next steps, you need mercurial (a popular DVCS) installed:
      $ sudo pacman -S mercurial
    2. Go to gajim plugins directory:
      $ mkdir -p ~/.local/share/gajim/plugins/; cd ~/.local/share/gajim/plugins/
    3. (at first time) Download all plugins:
      $ hg clone http://hg.gajim.org/gajim-plugins/ .
    4. (at next times) Update plugins to newer versions:
      $ hg pull; hg up; rm -f */*.pyo
  3. [Re]Start gajim;

Configuration

At first time, you also need to activate OTR plugin:

  1. Go to menu Edit => Modules;
  2. Activate the "Off-the-record encryption" plugin;
  3. Click on plugin settings button;
  4. Generate your OTR key using "Generate key";
  5. Take a look on other settings;
  6. Close dialogs to save the changes.

Troubleshooting

Q: "Off-the-record encryption" is not shown in Modules.

A: Be sure, that ~/.local/share/gajim/plugins/gotr/ is not empty and python-potr installed on latest version.

Q: There are no Modules item in gajim menu.

A: Go to Help => About. The gajim version should be 0.15 or something like 0.14.0.1-b9cb32f5badd, where "b9cb32f5badd" is any commit id, if gajim-hg is used. If not, update gajim as said earlier.