📅 Original date posted:2018-12-02
📝 Original message:
ZmnSCPxj <ZmnSCPxj at protonmail.com> writes:
>> 128-bit seed in
>> open_channel2 could be added, with sorting by SHA(seed | <marshal of
>> input> | <marshal of witness>) and SHA(seed | <marshal of output>)?
>
> `open_channel2` contains a good amount of entropy --- temporary channel ID, various basepoints.
> Would not hashing `open_channel2` to get this `seed` be sufficient?
Good point. Something we already have to remember would be ideal, so
any of the basepoints would work, and is not exposed onchain.
seed = revocation_basepoint of open_channel2?
Cheers,
Rusty.
Rusty Russell [ARCHIVE] /
npub1zw…hkhpx
2023-06-09 12:53:16
in reply to nevent1q…jp0w
Author Public Key
npub1zw7cc8z78v6s3grujfvcv3ckpvg6kr0w7nz9yzvwyglyg0qu5sjsqhkhpxPublished at
2023-06-09 12:53:16Event JSON
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"content": "📅 Original date posted:2018-12-02\n📝 Original message:\nZmnSCPxj \u003cZmnSCPxj at protonmail.com\u003e writes:\n\u003e\u003e 128-bit seed in\n\u003e\u003e open_channel2 could be added, with sorting by SHA(seed | \u003cmarshal of\n\u003e\u003e input\u003e | \u003cmarshal of witness\u003e) and SHA(seed | \u003cmarshal of output\u003e)?\n\u003e\n\u003e `open_channel2` contains a good amount of entropy --- temporary channel ID, various basepoints.\n\u003e Would not hashing `open_channel2` to get this `seed` be sufficient?\n\nGood point. Something we already have to remember would be ideal, so\nany of the basepoints would work, and is not exposed onchain.\n\nseed = revocation_basepoint of open_channel2?\n\nCheers,\nRusty.",
"sig": "d13484e6c320408832c7126383ef8c058080878b29a7df429d4842c5bbab318bf14cb6510b1c5fe15754566e7ed75f2880748c12a7694d31476379ade2a9b6fa"
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