Obfuscated reversible circuits can do CCA2 encryption, and even leak into FE/HE territory if you squint hard enough.
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01 02 HANNS: Low-Storage Non-Interactive Approximate Private Nearest Neighbor Search with Sublinear Comparison Complexity eprint.iacr.orgSublinear encrypted comparisons for PNN search, by clustering and homomorphic PQ, because fully homomorphic pain needed pruning.03 Boolean functions get partitioned by inner products, then analyzed for slice complexity, GSW-style homomorphic eval, and crypto metrics.04 CHIP: Efficient Homomorphic Encryption-Based CNN Batch Inference Using Channel-Interleaved Packing with Small Rotation Key Set eprint.iacr.orgHE CNN inference paper: channel-interleaved packing and a small rotation-key set, trimming the usual encrypted-conv tax.05 Degree-Constrained Interval Optimization for Minimax Polynomial Approximation in Homomorphic Encryption arxiv.orgHow do you pick the approximation interval for HE minimax polynomials without getting wrecked by out-of-range inputs?06 Can browser-side Paillier, split tally roles, and Solana logs make e-voting less terrible?07 LibFHE: A Numba-Based CUDA-Python Library for Non-RNS CKKS-BGV Fully Homomorphic Encryption on GPUs arxiv.orgNon-RNS CKKS-BGV on GPUs, apparently via Numba, and the paper claims C++-library-level performance without the C++.08 PSOs as fast as PSI: Efficient Private Set Operations from Batch Homomorphic OKVS Decoding eprint.iacr.orgPSOs at PSI speed, by swapping curve tricks for RLWE OKVS decoding and batching the whole mess.09 Paper on prefix scans for noncommutative monoids in bit-reversed HE slots, cutting rotations to the theoretical minimum.10 Secure and Efficient Federated Learning with Adaptive Differential Privacy and Verifiable Homomorphic Aggregation eprint.iacr.orgHEAD-FL: federated learning with round-adaptive DP and verifiable homomorphic aggregation, because fixed noise was too honest.11 RotPIR: Sublinear Single-Server PIR with Efficient Pre-Processing via Oblivious Homomorphic Rotation eprint.iacr.orgRotPIR paper on sublinear single-server PIR with FHE preprocessing via oblivious rotation, because one server was too easy.12 The annoying case is (Z/p^2Z)^2 with H=pG; the paper proves bounds on transversal difference sets and conjectures the exact value.13 HADES: Privacy-Preserving Federated Learning via Selective Feature Encryption and Hybrid Model Fusion arxiv.orgFederated learning, now with selective feature encryption instead of the usual full-HE tax, plus a plaintext model and fusion.14 HE-DAP: Homomorphic Encryption-based Dynamic Adaptive Parameter Optimization for Statistical Computation arxiv.orgHE-DAP auto-tunes homomorphic inverse-square-root parameters, shaving time in Lattigo and HEaaN without wrecking precision.15 WHET is an architecture-aware FHE accelerator paper that cuts memory traffic and bootstrapping latency, because DRAM was the real bottlen...16 Anonymous E-Voting on Hyperledger Fabric: Practical Mitigation of the Verification Paradox and Coercion Resistance eprint.iacr.orgA Fabric 2.5 e-voting prototype, adding nullifiers, ZK ballots, panic passwords, and PDC to the usual verifiability mess.