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Informational 15 Bitcoin

chore(python): remove `magic` and `code_length` fields from `LegacyFirmware` struct

Public commit record

What the developer wrote

Authored by M1nd3r

62/100 · Adequate
chore(python): remove `magic` and `code_length` fields from `LegacyFirmware` struct

[no changelog]
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
The short version

What changed, and why it matters

This is a small internal cleanup in the Python helper library that handles Trezor One firmware files. It removes two exposed fields ('magic' and 'code_length') from a Python class and renames them to private internal names ('_magic' and '_code_length'). The actual binary parsing behavior is unchanged: the 'TRZR' magic bytes are still required, and the code length is still computed and embedded exactly as before. There is no security fix or vulnerability here.

Recommended action

No security action needed. Treat as a normal refactoring commit.

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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