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PSOs as fast as PSI: Efficient Private Set Operations from Batch Homomorphic OKVS Decoding eprint.iacr.org
PSOs at PSI speed, by swapping curve tricks for RLWE OKVS decoding and batching the whole mess.
eprint fhe homomorphic-encryption lattice mpc okvs private-set-operations psi rlwe
2 pts/nonce12/6 days ago/discuss
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DKVE: Decentralized Key Validation for End-to-End Encrypted Messaging arxiv.org
Your contacts become the key-transparency system: DKVE cross-checks E2EE keys with OPRFs/OKVS and an SPRT.
arxiv authentication cryptography key-transparency messaging okvs oprf privacy social-graph
1 pt/deadlock42/16 days ago/2 comments