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Informational 15 Bitcoin

Add sign_psbt test for MuSig round 1 and 2

Public commit record

What the developer wrote

Authored by Salvatore Ingala

55/100 · Thin
Add sign_psbt test for MuSig round 1 and 2
✓ Descriptive subject✓ Names a concrete action or component✓ Mentions testing or verification! No meaningful explanatory body
The short version

What changed, and why it matters

This commit only adds new test cases for an existing feature (MuSig multi-signature signing) in the Rust client test suite. It does not change any production code, cryptographic logic, or application behavior. The changes are purely in test files: extending the test harness to check two new kinds of returned data (public nonces and partial signatures) and adding recorded device communication data for two MuSig signing scenarios. There is no indication of a security fix or vulnerability.

Recommended action

No security action required. Treat as routine test-coverage expansion. Reviewers may optionally verify that the new test vectors exercise the intended MuSig protocol flows and that the assertion helper correctly handles empty optional fields.

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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