Monday, November 24, 2014

crypto keys, cold storage, etc...

Stainless Steel Fermentation Tanks at a popular winery in Northern California - Nikon D80
In the room where I took this photograph, the ambient light reflects off of the stainless steel vats creating a specular highlight known as an anisotropic reflection.

 Cold storage in the context of Internet jargon refers to the storage of cryptographic keys (private key) on some type of physical medium that is not connected to the Internet and is not susceptible to external electric fields.  A Faraday cage placed below the surface of the ground could be a choice.  Since cryptographic keys can be copied, the keys are stored at multiple geographic locations for redundancy in case of natural disaster.

For an explanation of private keys, key parirs, and symmetric vs asymmetric systems, please see my paper on Public Key Cryptography.

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