📅 Original date posted:2013-06-19
📝 Original message:This maybe simpler and trivially compatible with existing type2 public keys
(ones that are multiples of a parent public key): send an ECDSA signature of
the multiplier, and as we know you can compute ("recover") the parent public
key from an the ECDSA signature made using it.
Adam
On Wed, Jun 19, 2013 at 05:28:15PM +0200, Adam Back wrote:
>[q-th root with unknown no discrete log artefact]
>
>If it was a concern I guess you could require a proof of knowledge of
>discrete log. ie as well as public key parent, multiplier the address must
>include ECDSA sig or Schnorr proof of knowledge (which both demonstrate
>knowledge of the discrete log of Q to base G.)
Adam Back [ARCHIVE] /
npub1ac…lswfj
2023-06-07 15:03:31
in reply to nevent1q…n6zk
Author Public Key
npub1ac86vemj7ce5z8jyxt39rna3tvwql6xd30ha3vxcd6esysp23d9qrlswfjPublished at
2023-06-07 15:03:31Event JSON
{
"id": "f67b28f715f707115028dd9d41f9c4c82a2e58f6b7e6fef89fea70773d50805d",
"pubkey": "ee0fa66772f633411e4432e251cfb15b1c0fe8cd8befd8b0d86eb302402a8b4a",
"created_at": 1686150211,
"kind": 1,
"tags": [
[
"e",
"60c63b2d935c09c2d6c618c7776de45a3225391d6d5c2bbb728d2b54da18fc56",
"",
"root"
],
[
"e",
"8af604415516f27c1332132279665f819b5ce0f4a17fbc892a51f4af88286676",
"",
"reply"
],
[
"p",
"ee0fa66772f633411e4432e251cfb15b1c0fe8cd8befd8b0d86eb302402a8b4a"
]
],
"content": "📅 Original date posted:2013-06-19\n📝 Original message:This maybe simpler and trivially compatible with existing type2 public keys\n(ones that are multiples of a parent public key): send an ECDSA signature of\nthe multiplier, and as we know you can compute (\"recover\") the parent public\nkey from an the ECDSA signature made using it.\n\nAdam\n\nOn Wed, Jun 19, 2013 at 05:28:15PM +0200, Adam Back wrote:\n\u003e[q-th root with unknown no discrete log artefact]\n\u003e\n\u003eIf it was a concern I guess you could require a proof of knowledge of\n\u003ediscrete log. ie as well as public key parent, multiplier the address must\n\u003einclude ECDSA sig or Schnorr proof of knowledge (which both demonstrate\n\u003eknowledge of the discrete log of Q to base G.)",
"sig": "1ee732c9fcc0dac00b46caa09bd3f8e690da9fa9b1ce7ac83ef4c0ff8d534f36521fc077f1a382e2e0cb9ea3881507398b3d0513db43c931fc33357807b532f6"
}