Homomorphic encryption lets a computing service operate on encrypted data, but the client must first encode and encrypt its inputs. That client-side step is the target of a new arXiv preprint, which proposes a combined streaming FPGA architecture for CKKS encoding and encryption.
The central idea is to share hardware between the floating-point encoding and modular encryption stages. According to the abstract, this sharing reduces area but requires something further; the sentence is cut off in the source, so the exact trade-off is not fully visible. No experimental results or comparisons are reported in the abstract.
Because only one source is available, there are no disagreements to note. The work is presented as an architecture proposal, and the abstract does not include performance numbers or a comparison with prior designs.