A Survey of Group Signature Technique, its Applications and Attacks
Aayush Agarwal, Rekha Saraswat · 2013
Group Signature scheme allows members of a group to sign messages on behalf of the group, such that the resulting signature does not reveal the identity of the signer. Signatures can be verified with respect to a single group public key. In case of dispute, only a designated group manager, because of their special property, is able to open signatures, and thus reveal the signer's identity. Its applications are widespread used, especially in e-commerce such as e-cash, e-voting and e-auction. This paper incorporate the detailed study of group signature definition, concept and the main contributions in this field such as applications of group signature that tells where we can use this technique. It starts with overview, concept, properties, keys used, application, challenges, and attack of group signature and a comparative analysis of some group signature techniques.