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Old 07-09-2016, 07:47 AM   #1
bolhaw
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Google Chrome will be shielded against quantum attacks

Googl: For the first time, the web giant has just implemented a post-quantum encryption algorithm at its servers to protect users of future quantum computers and their terrible cryptanalysis capabilities.

Quantum computers do exist for now in the experimental stage, but Google is already preparing for their arrival en masse. Because with them will collapse one of the main pillars of Internet security: TLS encryption. Indeed, quantum computers could, if powerful enough, break all asymmetrical encryption algorithms. However, TLS communications are encrypted symmetrically, but they rely on asymmetric algorithms to exchange the encryption key (usually it is the Diffie-Hellman algorithm on elliptic curves is used). In other words, a player that records encrypted communications today may, on the day he will have a quantum computer, break all the encryption keys and read the contents of these communications.

To avoid this disaster, cryptographers begin to develop encryption algorithms resistant to these quantum attacks. Google has just implemented one of these algorithms between Chrome and its servers. Called "New Hope", it was developed in 2015 by a group of four mathematicians. "Their method we seemed to be the exchange of post-quantum key most promising when we did our survey in 2015," said a Google engineer in a blog note.


A bet on the future

Specifically, "New Hope" is added to the algorithm exchange key existing Chrome when a user connects to Google services. A hacker who wants to get the key will have to break both algorithms. This approach does not reduce the current security, it can only improve. Within two years, Google plans to replace New Hope by another algorithm, one that will seem to him the most promising. This trial and error may be surprising, but it makes sense: no one now knows if these algorithms are really effective, since there is no quantum computers. Admittedly, this is a bet on the future, but it is still better than doing nothing.
The post-quantum protection is only available in the Canary version of Chrome. To see if it is activated, you must go to the main menu at the top right, click on "More tools" and select "Development Tools". A panel will then open. The "Security" tab shows which algorithms are used. One that could protect against quantum attacks called "CECPQ1".

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks

Google Chrome will be shielded against quantum attacks
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Old 07-09-2016, 08:16 AM   #2
gitdark4
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nice post
google chrome is best browser
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Old 07-10-2016, 12:31 AM   #3
trannienchan
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thanks for your post!
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