Cryptocat
Cryptocat 2.1.23
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(2) 4.5

Encrypt instant messages with Open-Source security.   Free
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Cryptocat is free software that aims to provide an open, accessible instant-messaging environment that encrypts your conversations and works right in your browser.

Cryptocat is an Open-Source experiment - the goal is to provide the easiest, most accessible way to chat while maintaining your privacy online, because we believe in Internet privacy.

There are separate plugin downloads for Safari, Chrome, and Firefox: see the Related Links section below.
What's New
Version 2.1.23:
  • Since we are currently unable to actively maintain it, Tor integration has been removed from Cryptocat for Mac.
  • Fixed a bug that could, in limited circumstances, mistakenly show unauthenticated participants as authenticated.
  • Fixed two non-time-invariant MAC comparisons.
  • Fixed a bug that could allow an attacker to stall a Cryptocat conversation.
  • Fixed a bug that prevented audio notifications from playing in Firefox on Linux.
  • Many small improvements and tweaks to the code and user interface.
  • Many translations have been updated.
Version 2.1.23:
  • Since we are currently unable to actively maintain it, Tor integration has been removed from Cryptocat for Mac.
  • Fixed a bug that could, in limited circumstances, mistakenly show unauthenticated participants as authenticated.
  • Fixed two non-time-invariant MAC comparisons.
  • Fixed a bug that could allow an attacker to stall a Cryptocat more...
Requirements
  • Intel, 64-bit processor
  • OS X 10.7 or later





MacUpdate - Cryptocat



Cryptocat User Discussion (Write a Review)
ver. 2.x:
(2)
Your rating: Now say why...
Overall:
(2)

sort: smiles | time
burypromote
+1

+659
Cowicide commented on 02 Apr 2014
WARNING: New report shows Cryptocat has too many design flaws as to be safe to use:

http://isecpartners.github.io/publications/iSEC_Cryptocat_iOS.pdf

Check out 1.3 Findings Summary

The practical security of CryptoCat on all platforms, at time of review, is currently equivalent to a standard XMPP client without OTR and falls short of the security provided by an XMPP client with OTR.
[Version 2.1.20]

2 Replies

burypromote
+1

+328
Umaromc replied on 15 Apr 2014
Also not listed in the MU listing is the removal of Tor support for Mac because no one maintains it.
burypromote

-6
BluenoteMac replied on 15 Apr 2014
All the issues in this report have been fixed:
https://blog.crypto.cat/2014/04/recent-audits-and-coming-improvements/
burypromote

+659
Cowicide commented on 17 Jul 2013
warning: http://arstechnica.com/security/2013/07/bad-kitty-rooky-mistake-in-cryptocat-chat-app-makes-cracking-a-snap/
[Version 2.1.12]

2 Replies

burypromote
-5

-6
BluenoteMac replied on 05 Sep 2013
This was fixed months ago...
burypromote
+5

+659
Cowicide replied on 05 Sep 2013
BluenoteMac, I posted this back in July. Look at the date of my post. It was a valid warning and the fact that the developers made such a blunder with something that purports privacy should give anyone pause in the future as well. This is the kind of stuff that gets activists jailed, tortured and killed.

Sorry if you can't handle the truth or look at dates of posts.
There are currently no troubleshooting comments. If you are experiencing a problem with this app, please post a comment.



NorahP1903 rated on 14 Feb 2014

[Version 2.1.20]



-6

BluenoteMac rated on 17 Jun 2013

[Version 2.1.2]


Downloads:807
Version Downloads:18
Type:Internet : Chat
License:Free
Date:14 Apr 2014
Platform:Intel 64 / OS X
Price:Free0.00
Overall (Version 2.x):
Features:
Ease of Use:
Value:
Stability:
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Cryptocat is free software that aims to provide an open, accessible instant-messaging environment that encrypts your conversations and works right in your browser.

Cryptocat is an Open-Source experiment - the goal is to provide the easiest, most accessible way to chat while maintaining your privacy online, because we believe in Internet privacy.

There are separate plugin downloads for Safari, Chrome, and Firefox: see the Related Links section below.


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