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btcec/schnorr/musig2: always pass in priv key for early nonce gen

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This helps mitigate an issue discovered in musig2 under certain
scenarios:
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-October/021000.html.
This commit is contained in:
Olaoluwa Osuntokun 2022-10-25 16:33:21 -07:00
parent 323871ff16
commit eef9fbc5c9
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GPG key ID: 3BBD59E99B280306
1 changed files with 3 additions and 1 deletions
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4
btcec/schnorr/musig2/context.go
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@ -239,7 +239,9 @@ func NewContext(signingKey *btcec.PrivateKey, shouldSort bool,
// are known.
if opts.earlyNonce {
var err error
ctx.sessionNonce, err = GenNonces()
ctx.sessionNonce, err = GenNonces(
WithNonceSecretKeyAux(signingKey),
)
if err != nil {
return nil, err
}