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Informational 15 Bitcoin

lnwallet: regenerate test vectors with BIP-340 HTLC signatures

Public commit record

What the developer wrote

Authored by Olaoluwa Osuntokun

83/100 · Strong
lnwallet: regenerate test vectors with BIP-340 HTLC signatures

Regenerate the test vector JSON with HTLC second-level transaction
signatures that use BIP-340 standard nonce derivation (zero auxrand)
instead of RFC6979. This makes the HTLC signatures reproducible across
different Schnorr implementations. The commitment transaction MuSig2
signatures are unchanged.
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context✓ Mentions testing or verification
The short version

What changed, and why it matters

This commit only updates test data in a single JSON file. It changes the example signatures used in automated tests so they are generated with a standard BIP-340 nonce method instead of an older RFC6979 method. No production wallet code, protocol logic, or user-facing behavior is changed. There is no security vulnerability here.

Recommended action

No action required. This is a benign test-vector regeneration. Reviewers may optionally verify the new vectors are correctly produced by the stated BIP-340 nonce derivation, but no security response is warranted.

Security signals we found

No strong security signals were identified.

Risk score

Why this scored 15/100

Our methodology →
Potential impact 0/30
Exploitability 0/25
Stealth signal 0/15
Affected reach 0/15
Confidence 10/10
Evidence quality 5/5
Human-validated context

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