How lava lamp randomness is aiding encryption


One company has harnessed the randomness of 100 lava lamps to ensure the constant and secure encryption of data.

Randomness is an essential factor in encryption, and encryption is the key to keeping data safe. With this in mind, Cloudflare constructed ‘The Wall of Entropy’ to help capture this randomness.

Our reality is totally unpredictable, which is exactly the material that experts need to encrypt our data securely. So, Cloudflare had the brilliant idea of harnessing real-world objects to extract this random and chaotic data.

Cloudflare, an American company that provides a range of cybersecurity solutions, has a wall of 100 lava lamps that harness the power of randomness to keep your data as safe as possible.

A camera mounted to the ceiling captures images of the “lava” moving throughout the day and night at regular intervals. This data is then sent to Cloudflare servers and transformed into impenetrable code.

The images captured by the camera are stored by computers in a series of numbers. Each pixel has its own numerical value, making each image a string of random numbers that Cloudflare servers use as a baseline for creating encryption keys, the Cloudflare website states.

But why is randomness an essential part of the process? Well, if certain values are used repetitively or if the values appear in a specific order, threat actors may be able to pick up on this pattern and have a much easier time guessing the key used to decrypt the data – then your data is open and accessible.

You might be thinking, aren’t computers more reliable than 100 lava lamps to secure our data? Well, computers cannot generate the randomness needed to aid encryption as computers run on logic, or so Cloudflare states, which means that a computer usually has a predictable output.

That’s exactly why Cloudflare has harnessed the randomness of lava lamps, an object that is never the same twice.


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