This is how Dropbox controls and censors the files it shares ...

This is how Dropbox controls and censors the files it shares …

March 31, 2014

Dropbox

The hash function is an algorithm that provides a unique identifier based on the input. The hash consists of a string of characters that can be used to know that a file is exactly the same as another, as long as you already have a copy to compare it. In this case, the copy to compare it is the one that appears in the link affected by the claim of the copyright holder. Every time you upload a file to Dropbox (or any other cloud storage service), a hash is generated. The company then encrypts the file to keep it out of the reach of hackers and the employees themselves. Dropbox maintains a blacklist that collects the hash identifiers of all files for which it has received complaints of copyright infringement. It uses it to legally block access to these files, even if they are shared through different links.

This blocking system is not exclusive to Dropbox, but the vast majority of services that offer personal space in the cloud have it in place. It is the way to benefit from the safeguard clause offered by the law. Under an exception to the DMCA, the company is spared copyright infringement lawsuits by implementing a notice and removal procedure. That way, even if the users of your storage service infringe copyright, the company will not be responsible.

via This is how Dropbox controls and censors the files you share – tuexperto.com.

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