Security Analysis of Several Group Signature Schemes


At Eurocrypt’91, Chaum and van Heyst introduced the concept of group signature. In such a scheme, each group member is allowed to sign messages on behalf of a group anonymously. However, in case of later disputes, a designated group manager can open a group signature and identify the signer. In recent years, researchers have proposed a number of new group… (More)
DOI: 10.1007/978-3-540-24582-7_19