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What is Fully Homomorphic Encryption? Tying this back to the central topic of this article, fully homomorphic encryption (FHE) is a specific data encryption method that enables people to perform computations on encrypted data without revealing the raw data. Theoretically, the analysis and calculations performed on the encrypted data should produce results identical to those performed on the raw data. With FHE, we establish a 1:1 connection between data in the encrypted data set corresponding to data in the raw data set. The core component preservation, in this case, is the ability to perform any calculation on the data of either set and yield the same results.

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