Anonymous, Timed and Revocable Proxy Signatures

ePrint Report: Anonymous, Timed and Revocable Proxy Signatures

Ghada Almashaqbeh, Anca Nitulescu

A proxy signature enables a party to delegate her signing power to another. This is useful in practice to achieve goals related to robustness, crowd-sourcing, and workload sharing. Such applications usually require delegation to satisfy several properties, including time bounds, anonymity, revocability, and policy enforcement. Despite the large amount of work on proxy signatures in the literature, none of the existing schemes satisfy all these properties; even there …

anonymity anonymous applications crowd eprint report goals party power practice proxy report robustness sharing signature signatures signing workload