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Old 03-30-2012, 01:47 PM   #1
tashk
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Question Public WiFi / Traffic Encrypted?

Hello,

when I connect my K4NT to an open (public) and unencrypted Wifi network in order to download documents that were previously sent to my Kindle email address, will the traffic between Amazon's server and my Kindle be encrypted?

In other words, would it be possible for an adversary to read/access my documents by capturing the unencrypted data packets sent within this Wifi network?

Thank you!
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Old 03-30-2012, 04:34 PM   #2
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An "adversary"? Goodness, how dramatic!

No, it's not encrypted, and you shouldn't send anything sensitive.
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Old 05-10-2012, 08:30 AM   #3
tashk
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Harry, thank you for your reply.

Quote:
Originally Posted by HarryT View Post
An "adversary"? Goodness, how dramatic!
Thanks again; I always try to add drama and suspense wherever I go. For instance, I have spent the last six weeks in my secret lair, capturing and analyzing the Kindle's WiFi traffic.

By now I'm fairly confident that data transferred between Amazon's servers and my Kindle is actually encrypted: When the Kindle downloads a book or document from Amazon, it sends and receives encrypted httpS data packets, as opposed to the unencrypted http packets caused by the Kindle's web browser. In other words, I can use my notebook to see the web pages accessed by the Kindle's browser, yet I cannot see the books sent by Amazon's servers.

However, since I'm relatively new to WiFi traffic analysis, it is quite possible that my interpretation of what I have seen is flawed. Surely someone else, preferably someone less incompetent than myself, must have analyzed the Kindle's WiFi behavior before and be able to confirm or contradict my findings?

Is there any official documentation or statement regarding the Kindle's public WiFi security?
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