COSIC seminar - Efficiently processing complex-valued... by Ilia Iliashenko

Описание к видео COSIC seminar - Efficiently processing complex-valued... by Ilia Iliashenko

COSIC seminar - Efficiently processing complex-valued data in homomorphic encryption - Ilia Iliashenko (KU Leuven)

We introduce a new homomorphic encryption scheme that is natively capable of computing with complex numbers. This is done by generalizing recent work of Chen, Laine, Player and Xia, who modified the Fan-Vercauteren scheme by replacing the integral plaintext modulus t by a linear polynomial X-b. Our generalization studies plaintext moduli of the form X^m + b.
Our construction significantly reduces the noise growth in comparison to the original FV scheme, so much deeper arithmetic circuits can be homomorphically executed.

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