Ring signatures

Ring signatures

A Conditional Privacy Framework for Crowd-Assisted Community Policing

Published in Khan Pathan Al-Sakib, Crowd-Assisted Networking and Computing, 2018

Definition 5.Ring signature, a cryptographic primitive, is a type of digital signature that can be performed by any member of a group of users that each have keys. Ring signatures are primarily used for anonymous authentication of a user as a member of a group, thereby protecting the user’s individual identity.

Implementing blockchain in information systems: a review

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Journal Information

Published in Enterprise Information Systems, 2022

Yang Lu

In ring signatures, the signer first selects some other members, and then uses the public keys of the other members and the signer’s own public key to form a public key ring. The signer uses his private key and the public key on the public key ring to sign. Each transaction input person uses some public keys of unrelated users to generate a ring signature. Other members of the ring may not know whether they are contained in it or not. Ring signatures allow users to be hidden among a group of users. The verifier can determine that the signer is one of the ring members, but the signer’s identity is unknown. The ring where the signer is located constitutes an anonymous set (Rivest, Shamir, and Tauman 2006; Lu 2019a).

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