A Method for Revocation in Group Signature Schemes
Mathematica Moravica, Tome 7 (2003) no. 1.

Voir la notice de l'article dans eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

A group signature scheme allows any group member to sign on behalf of the group in an anonymous and unlinkable fashion. In the event of a dispute, a designated trusted entity can reveal the identity of the signer. In this paper we propose a revocation method for group signatures based on the group signature scheme from [12]. This method requires no time periods and offers constant length signatures.
Mots-clés : Group signature scheme, revocation of group members, Okamoto-Shiraishi assumption 
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Constantin Popescu. A Method for Revocation in Group Signature Schemes. Mathematica Moravica, Tome 7 (2003) no. 1. https://geodesic-test.mathdoc.fr/item/MM3_2003_7_1_a7/