From: PP-DDP: a privacy-preserving outsourcing framework for solving the double digest problem
Privacy-preserving technologies | SMPC | DP | HE | OPE | PP-DDP |
---|---|---|---|---|---|
Additive homomorphism | Yes | No | Yes | No | Yes |
Order-preserving | No | No | No | Yes | Yes |
Computational cost | High | Low | High | Low | Low |
DDP applicability | No | No | No | No | Yes |