Decentralized Traceable Attribute-Based Signatures

Provided by: University of Brighton
Topic: Security
Format: PDF
Attribute-based signatures allow a signer owning a set of attributes to anonymously sign a message w.r.t. some signing policy. A recipient of the signature is convinced that a signer with a set of attributes satisfying the signing policy has indeed produced the signature without learning the identity of the signer or which set of attributes was used in the signing. Traceable attribute-based signatures add anonymity revocation mechanisms to attribute-based signatures whereby a special tracing authority equipped with a secret key is capable of revealing the identity of the signer.

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