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Low 27 Bitcoin

fix btc sign message

Public commit record

What the developer wrote

Authored by ww3512687

28/100 · Opaque
fix btc sign message
✓ Subject identifies a change! No meaningful explanatory body
The short version

What changed, and why it matters

This commit fixes how the Keystone hardware wallet handles Bitcoin 'sign message' QR codes. Previously, many malformed or unsupported message formats were reported as 'unsupported transaction,' which could mislead users. The change introduces a clearer 'Invalid Message' error and adds a new Japanese font glyph. It is primarily a user-experience and error-handling improvement, not a fix for a known exploit.

Recommended action

Treat as a routine UX/localization fix. Review the sign-message parser to ensure the new InvalidMessage path cannot be used to hide a more serious failure mode, and verify that downstream UI code handles the new error code safely. No urgent security action is indicated by the diff alone.

Security signals we found

01

Error-code refactoring for malformed Bitcoin sign-message QR input

02

New user-facing error string 'sign message has invalid characters'

03

No cryptographic, parsing-bypass, or memory-safety fix visible in the diff

04

Font asset update for Japanese localization

Risk score

Why this scored 27/100

Our methodology →
Potential impact 5/30
Exploitability 5/25
Stealth signal 3/15
Affected reach 5/15
Confidence 6/10
Evidence quality 3/5
Human-validated context

Community notes

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