IBM takes a big new step in cryptography: practical homomorphic encryption

A posting from Naked Security  about IBM takes a big new step in cryptography: practical homomorphic encryption:

IBM just released an open source software package called HELib. The HE stands for homomorphic encryption. Although it doesn’t sound terribly sexy or impressive, HELib is actually an interesting and important milestone in cryptography.

HE is also a surprisingly relevant topic right now, with our ever-increasing attraction to cloud computing. Bear with me, and I’ll try to explain. Imagine that I am your cloud provider, and I keep databases online for you. Imagine also that I am a security-conscious vendor, so I keep all your data encrypted, both when I serve it up to you, and when I save it to disk.

That’s about as good as it gets these days from a cloud security perspective.


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