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http://www.macupdate.com/download/48376/id613116229%3Fmt%3D12
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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 2.2.2:
  • Encrypted file transfer is now back in Cryptocat after being temporarily disabled pending review. Note that encrypted file transfer is not available over the Encrypted Facebook Chat feature.
  • Updated Ukrainian translation.
  • Small bug fixes.

Requirements

  • OS X 10.7 or later

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Cryptocat User Discussion

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Cowicide Member IconComment+1131
Cowicide
+2

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.

Reply2 replies
Version 2.1.20
Umaromc
+1

Also not listed in the MU listing is the removal of Tor support for Mac because no one maintains it.

BluenoteMac
+1

All the issues in this report have been fixed:
https://blog.crypto.cat/2014/04/recent-audits-and-coming-improvements/

Cowicide Member IconComment+1131
Cowicide
+3

warning: http://arstechnica.com/security/2013/07/bad-kitty-rooky-mistake-in-cryptocat-chat-app-makes-cracking-a-snap/

Reply2 replies
Version 2.1.12
BluenoteMac
+2

This was fixed months ago...

Cowicide
+7

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.

user icon+0
NorahP1903
Version 2.1.20
user icon+8
BluenoteMac
Version 2.1.2
> 5 2

Ratings

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Current Version (2.x)
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Details

Downloads 972
Version Downloads 83
Type Internet / Chat
License Free
Date 17 Jun 2014
Platform Intel 64 / OS X
Price Free