voting by m of n digital signature?

Florian Weimer fw at deneb.enyo.de
Fri Nov 14 17:16:14 EST 2008


* James A. Donald:

> Is there a way of constructing a digital signature so
> that the signature proves that at least m possessors of
> secret keys corresponding to n public keys signed, for n
> a dozen or less, without revealing how many more than m,
> or which ones signed?

What about this?

  Christian Cachin, Asad Samar
  Secure Distributed DNS
  <http://www.zurich.ibm.com/security/dti/#dnsrepl>

Or do you require that potential signers must not be able to prove
that they signed?

---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo at metzdowd.com



More information about the cryptography mailing list