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Over the years, numerous researchers faced significant challenges in creating an efficient FHE algorithm. However, with advancements in technology and mathematical methods, and the relentless efforts of the cryptographic community, FHE has transitioned from theory to practice.
Today, FHE is utilized in a range of applications, from cloud computing to medical research, ensuring that sensitive data is processed securely.
How Does FHE Work?
At the core of FHE are complex mathematical algorithms and principles. The primary idea is that data can be encrypted in such a way that computations can be directly performed on the encrypted data.
The result of these computations remains encrypted, and when decrypted, it matches the result of computations performed on the original unencrypted data.