Patent · US Active

Homomorphic encryption operation accelerator, and operating method of homomorphic encryption operation accelerator

US12362904B2 · kind B2 · utility

0Cited by
1References
17Claims
0Family size

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Key dates

Filing dateOct 18, 2022
Grant dateJul 15, 2025
Priority date
Expiry dateApr 18, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2209/125
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method of operating a homomorphic encryption operation accelerator includes performing a number theoretic transform (NTT) operation on each of first homomorphic ciphertext and second homomorphic ciphertext, and performing a base conversion operation by adding a partial sum using a first value of the NTT operation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.