Pivot: Proactive and Verifiable Threshold Oblivious Pseudorandom Functions From Isogeny Group Actions arxiv.org
Dealerless proactive threshold VOPRF from isogeny group actions, with share refresh, blame, erasure, and resharing.
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01 02 Lattice-based silent threshold crypto for DNF policies and TFHE, because apparently setup can be made annoying in bulk.03 Shrinks reconstruction factors and modulus growth in threshold FHE over cyclotomic rings, with implementations that scale.04 Proving Threshold Regev PKE from Adaptive Hint-MLWE: Efficient, Non-interactive, and CCA Secure eprint.iacr.orgPaper proving threshold Regev PKE under MLWE with noninteractive, CCA-secure decryption, because folklore was getting expensive.05 Some parties get fixed shares, and the threshold security story still survives, allegedly, for overlapping DKGs.06 MOSAIC-FL, a micro-service based privacy-preserving framework with application to genomics arxiv.orgMicroservices plus threshold CKKS for federated genomics, with an FSM for sync and threat detection, because plain FL wasn't enough.