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Google: OK world, make our 'End-to-End' crypto tool SPOOK PROOF

Source code released – now you can kick the tyres

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Google has released the source code for an encryption plugin for Chrome that makes the secure sending of email easier.

The web giant said its End-to-End Chrome plugin, currently in alpha development status, will provide a secure method for transmitting data between users, with data encrypted locally in a user's browser and decrypted by the recipient using OpenPGP. The code is provided under the Apache 2.0 licence.

While Google offers limited security for its webmail service Gmail – by forcing HTTPS connections for all communication to and from the web server – the search kingpin said its Chrome plugin will expand protections to other services and allow for message information to be secure from endpoint to endpoint (so long as you're running Chrome with the plugin installed).

In order to assure that the plugin will be reliable for users in sensitive positions (such as activists or human rights workers), the Chocolate Factory is only providing the source code for End-to-End for now. The idea is to have researchers hammer away at the tool to find possible security flaws under Google's bug bounty program.

The advertising goliath is also hoping that research and further work on the plug-in will advance the development of other cryptographic tools for JavaScript.

Google said that once End-to-End is deemed secure enough for everyday use, it will make the plugin available through the Chrome Web Store as a free add-on. In the meantime, it has asked others to please not take the source code and submit it to the store themselves.

In related news, the online ad-slinger has also added a section to its Transparency Report designed to illustrate just how much of the communications its Gmail service handles is secure in transit. The company reports that, because other providers do not always support Transport Layer Security (TLS) encryption, currently as much as 50 per cent of incoming messages and 35 per cent of outgoing mail was transmitted in the clear, even though Gmail itself supports TLS in both directions.

Google noted that in recent months, the number of unencrypted messages has gone down as other email providers have enabled security for their services. The report found that, by comparison, in December of 2013 as little as 29 per cent of outbound email was encrypted, while inbound email was encrypted at a rate of as little as 26 per cent. ®

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