Universal Ring Signatures in the Standard Model

ePrint Report: Universal Ring Signatures in the Standard Model

Pedro Branco, Nico Döttling, Stella Wohnig

Ring signatures allow a user to sign messages on behalf of an ad hoc set of users - a ring - while hiding her identity. The original motivation for ring signatures was whistleblowing [Rivest et al. ASIACRYPT'01]: a high government employee can anonymously leak sensitive information while certifying that it comes from a reliable source, namely by signing the leak. However, essentially all known ring …

eprint report ring signatures