[tor-talk] canvas fingerprinting

[krishna e bera]

On 14-06-02 12:26 PM, Gerardus Hendricks wrote:
> On 6/2/14 3:59 PM, David Rajchenbach-Teller wrote:
>> I'm curious, how does this fingerprinting technique work?
> 
> Like this:
> 
> http://www.w2spconf.com/2012/papers/w2sp12-final4.pdf

What if all the HTML5 and CSS3 calls to read back any data in Javascript
returned null or some 5xx (not allowed) error code?
Web pages should be a write-only media just like print.  It would seem
reasonable for a browser in "privacy mode" to implement it that way.