An update to Firefox is due to be released later this week. Now more than a year later, Cryptocat has significantly advanced the field of browser crypto, he said with obvious pride. No code from Facebook is loaded or executed within Cryptocat, and the login procedure happens in a sandboxed window, Kobeissi wrote.Ĭryptocat version 2.2 is available for Chrome, Safari and Opera. "Such an approach would have made encrypted chats over Facebook even more immediate, but would have immersed Cryptocat into Facebook's network and runtime environment in a way that didn't satisfy our security precautions," he wrote.Ĭryptocat connects to Facebook as an XMPP client over its outbound BOSH relay. If one party does not have Cryptocat installed, the two people may chat, but the text will not be encrypted.Ĭryptocat opted not to integrate itself directly into the Facebook chat interface to maintain "layers of separation," Kobeissi wrote.
Kobeissi wrote that if a person's Facebook friend logs into the service and is using Cryptocat, the conversation is automatically upgraded to an encrypted one. "The usability benefits of being able to quickly see which friends are online and ready for an encrypted chat remain overly substantial for those users."įacebook will know, however, that the people are using the application due to the use of a Cryptocat relay to transfer the contacts list, he wrote. "There's no harm in Cryptocat using this already-given metadata to allow these users to set up encrypted chats," Kobeissi wrote.
#CRYPTOCAT CHROME ANDROID#
Fortunately, however, the chrome extension and Android application solve this problem, as both types of software are downloaded and kept locally on the client. Users presumably know they're divulging that information already to Facebook by using their service. Cryptocat made the news recently when its lead developer, Nadim Kobeissi, was detained and interrogated one week ago at the US-Canadian border. Cryptocat Fundraiser We've been providing an open source web platform for encrypted communication since 2011. Authorise CryptoCat token (CCAT) contract to transfer your token to our wrapper contract. It is a 2-step process, and requires you to use your Metamask wallet to submit 2 transactions by clicking buttons in steps 1 and then 2 below. The fact that Facebook knows two people are chatting, a type of information known as metadata, should not be a deal breaker, Kobeissi wrote. Click here to view our verified Wrapped CryptoCat contract on Etherscan. But the messages themselves will only say. If two people are using Cryptocat, Facebook will know an exchange occurred between the two users and the time of their chat.
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