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Drudge Retort: The Other Side of the News
Sunday, August 02, 2020

Fully Homomorphic Encryption (FHE) allows computation of still-encrypted data, without sharing the secrets....

FHE is a type of encryption that allows direct mathematical operations on the encrypted data. Upon decryption, the results will be correct. For example, you might encrypt 2, 3, and 7 and send the three encrypted values to a third party. If you then ask the third party to add the first and second values, then multiply the result by the third value and return the result to you, you can then decrypt that result -- and get 35.

You don't ever have to share a key with the third party doing the computation; the data remains encrypted with a key the third party never received. So, while the third party performed the operations you asked it to, it never knew the values of either the inputs or the output.

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Interesting.
As the article hinted at: "Secret outsourcing." Should be useful in cloud computing resources as a 1A application.

#1 | Posted by GOnoles92 at 2020-08-02 08:52 PM | Reply

I like the sound of that. Of course it will cost a fortune in the real world. Wonder which letter agencies have a back door.

#2 | Posted by GalaxiePete at 2020-08-03 06:42 PM | Reply

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