📅 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.
Gregory Maxwell [ARCHIVE] /
npub1f2…crwet
2023-06-07 02:18:45
in reply to nevent1q…agp6
Author Public Key
npub1f2nvlx49er5c7sqa43src6ssyp6snd4qwvtkwm5avc2l84cs84esecrwetPublished at
2023-06-07 02:18:45Event JSON
{
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"pubkey": "4aa6cf9aa5c8e98f401dac603c6a10207509b6a07317676e9d6615f3d7103d73",
"created_at": 1686104325,
"kind": 1,
"tags": [
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"content": "📅 Original date posted:2011-08-24\n🗒️ 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.\n📝 Original message:On Wed, Aug 24, 2011 at 3:05 PM, Christian Decker\n\u003cdecker.christian at gmail.com\u003e wrote:\n\u003e we could add an rsa-like scheme which allows m-out-of-n signatures. It works\n\u003e by distributing shares of the key which are points on a curve having the\n\u003e actual key as 0-value. It does not require special length for the key so if\n\u003e ecdsa allows something similar there need not be anything changed.\n\nThis works fine for ECC. But it requires that the composite key\nsigner has simultaneous access to all the key-parts, so it doesn't\nsolve the \"my PC has malware\" problem.",
"sig": "1a2a0a53ca2e122da0d14878d4a6290e7d660667be6549e1a4c27e20f168e41b52e76ee79b3a9eadc833301cd4826c813efc6b69bd9bcfb288c7a9f9f8d498fe"
}