Gregory Maxwell [ARCHIVE] on Nostr: 📅 Original date posted:2011-08-24 🗒️ Summary of this message: An RSA-like ...
📅 Original date posted:2011-08-24
🗒️ Summary of this message: An RSA-like scheme for m-out-of-n signatures could be added using shares of the key on a curve, but it doesn't solve the malware problem.
📝 Original message:On Wed, Aug 24, 2011 at 3:05 PM, Christian Decker
<decker.christian at gmail.com> wrote:
> we could add an rsa-like scheme which allows m-out-of-n signatures. It works
> by distributing shares of the key which are points on a curve having the
> actual key as 0-value. It does not require special length for the key so if
> ecdsa allows something similar there need not be anything changed.
This works fine for ECC. But it requires that the composite key
signer has simultaneous access to all the key-parts, so it doesn't
solve the "my PC has malware" problem.
🗒️ Summary of this message: An RSA-like scheme for m-out-of-n signatures could be added using shares of the key on a curve, but it doesn't solve the malware problem.
📝 Original message:On Wed, Aug 24, 2011 at 3:05 PM, Christian Decker
<decker.christian at gmail.com> wrote:
> we could add an rsa-like scheme which allows m-out-of-n signatures. It works
> by distributing shares of the key which are points on a curve having the
> actual key as 0-value. It does not require special length for the key so if
> ecdsa allows something similar there need not be anything changed.
This works fine for ECC. But it requires that the composite key
signer has simultaneous access to all the key-parts, so it doesn't
solve the "my PC has malware" problem.