š
Original date posted:2017-09-22
š Original message:You generally know the witness size to within a few bytes right before signing. Why would you not? You know the size of ECDSA signatures. You can be told the size of a hash preimage by the other party. It takes some contriving to come up with a scheme where one party has variable-length signatures of their chosing
> On Sep 22, 2017, at 2:32 PM, Sergio Demian Lerner <sergio.d.lerner at gmail.com> wrote:
>
> But generally before one signs a transaction one does not know the signature size (which may be variable). One can only estimate the maximum size.
Mark Friedenbach [ARCHIVE] /
npub1r3ā¦48d0u
2023-06-07 18:05:39
in reply to nevent1qā¦4ulz
Author Public Key
npub1r3san9v5njl6798hvauyu9ntm6r9c7u8s0t65wls58gpfdcvqp5sa48d0uPublished at
2023-06-07 18:05:39Event JSON
{
"id": "bf1550acf5eafb4a1e246f6747fcf93e0703fc7285731ad579a2c8e96f55c164",
"pubkey": "1c61d995949cbfaf14f767784e166bde865c7b8783d7aa3bf0a1d014b70c0069",
"created_at": 1686161139,
"kind": 1,
"tags": [
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],
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],
"content": "š
Original date posted:2017-09-22\nš Original message:You generally know the witness size to within a few bytes right before signing. Why would you not? You know the size of ECDSA signatures. You can be told the size of a hash preimage by the other party. It takes some contriving to come up with a scheme where one party has variable-length signatures of their chosing\n\n\u003e On Sep 22, 2017, at 2:32 PM, Sergio Demian Lerner \u003csergio.d.lerner at gmail.com\u003e wrote:\n\u003e \n\u003e But generally before one signs a transaction one does not know the signature size (which may be variable). One can only estimate the maximum size.",
"sig": "71906d5ed1db303abff66c17b816fc4fb5a56918b4abb6afa40467454f2a5763c8f1b61a592afa6ec5c50b13a2bd932bc6d6e5713904aca6128d5ede2507e0a0"
}