Privacy computing method based on homomorphic encryption
US12309255B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 17, 2023 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Nov 17, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0618
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a privacy computing method based on homomorphic encryption, which includes steps as follows. The ciphertext data is received, where the ciphertext data has a floating-point homomorphic encryption data structure, and the floating-point homomorphic encryption data structure of the ciphertext data includes the ciphertext mantissa, exponent parameter and gain parameter. The gain parameter sets the precision of the floating point corresponding to the ciphertext mantissa. The exponent parameter is adapted to multiplication or division. The artificial intelligence model performs operations on the ciphertext data to return the ciphertext result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.