Non-Interactive Blind Signatures for Random Messages

ePrint Report: Non-Interactive Blind Signatures for Random Messages

Lucjan Hanzlik

Blind signatures allow a signer to issue signatures on messages chosen by the signature recipient. The main property is that the recipient's message is hidden from the signer. There are many applications, including Chaum's e-cash system and Privacy Pass, where no special distribution of the signed message is required, and the message can be random. Interestingly, existing notions do not consider this practical use case separately.


In this paper, we …

applications cash distribution eprint report hidden issue main message messages non privacy random report signature signatures special system