eprint.iacr.orgpaperSwiftAuth: Conditional Privacy-Preserving UAV Authentication with Multi-Source Credential Aggregation and Non-Interactive Authorization
The paper proposes a traceable and aggregatable tagged witness signature (TA-TWS) and builds SwiftAuth on it, a conditional privacy-preserving anonymous authentication framework for UAVs and other dynamic terminals. Issuers can create authorization components while users are offline. Several credentials compress into one constant-size proof, verifiers can batch-verify across users, and a regulatory trapdoor lets authorities trace misbehaving users. TA-TWS is proven unforgeable and witness-hiding, and benchmarks with the MIRACL Core library on constrained devices and Aliyun servers show it is practical.
TL;DR SwiftAuth is a UAV anonymous-authentication scheme built on a new traceable, aggregatable tagged witness signature. It offers asynchronous credential issuance, constant-size credential aggregation, batch verification and regulator tracing, with proofs of unforgeability and witness hiding.
Organisations named here
- regulatory trapdoor
- SwiftAuth
- TA-TWS
Technologies named here
- TA-TWS
- MIRACL Core cryptographic library
- MIRACL Core
Techniques named here
- Anonymous authentication with conditional privacy
- Asynchronous credential distribution
- Verifier-side batch verification across users
- Tagged witness signature
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