Jun 13, 2018 · A linkable group signature scheme contains four entities: user, registration manager, auditing manager and supervision manager. The user first ...
Abusing anonymity has become a severe threat for anonymous communication system. Auditing and further tracing the identity of illegal users become an urgent ...
A scheme based on linkable group signatures provides both traceability of user identity and the auditability of transaction content 21 . The linkable property ...
Jan 7, 2021 · In this paper, we present DOGS, a privacy-preserving Blockchain-supported group signature scheme with a distributed Opening functionality. In.
The general framework is constructed by using basic cryptography modules of blind signature, public key encryption, trapdoor indicative commitment and signature ...
The general framework is constructed by using basic cryptography modules of blind signature, public key encryption, trapdoor indicative commitment and signature ...
In this paper, we propose a linkable group signature mechanism to simultaneously achieve the functions of anonymity, auditing and tracing for communication ...
People also ask
What is a group signature?
A group signature is a public-key primitive that enables members of a group to create signatures on behalf of the group without revealing their real identities.
Different from a normal ring signature, a linkable ring signature allows any verifier to detect if two sig- natures are generated by the same signer or not. ...
Missing: Auditing Communication.
(1) Anonymity, or signer indistinguishability. (2) Linkability: That two signatures by the same signer can be linked. (3) Spontaneity: No group secret, ...