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Fix tweaked MuSig adaptor extraction - #1344

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NicolasDorier merged 1 commit into
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fix/musig-tweaked-adaptor-extraction
Sep 30, 2026
Merged

NicolasDorier merged 1 commit into
masterfrom
fix/musig-tweaked-adaptor-extraction

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Summary

  • Include the aggregate key tweak contribution when reconstructing the MuSig pre-signature for adaptor extraction
  • Add regression coverage for extraction across tweaked and untweaked adaptor sessions

Testing

  • dotnet test NBitcoin.Tests/NBitcoin.Tests.csproj --no-restore --framework net10.0 --filter "FullyQualifiedName~Secp256k1Tests.musig_MusigTest"

@NicolasDorier
NicolasDorier merged commit 535fec0 into master Sep 30, 2026
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@NicolasDorier
NicolasDorier deleted the fix/musig-tweaked-adaptor-extraction branch September 30, 2026 03:57
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