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InfoResearchPeer-reviewed
Leakage-Resilient Multi-Party Signatures for Industrial IoT via Cryptographic Reverse Firewalls
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Summary
The authors propose MCRF, a multi-party digital signature scheme for Industrial IoT environments that adds Cryptographic Reverse Firewalls to resist insider attacks and data exfiltration. MCRF uses a commitment-based mechanism to optimize signing, with an input-side CRF that sanitizes messages and an output-side CRF that re-randomizes signatures without compromising correctness. The source claims strong leakage resistance with minimal computational and communication overhead.