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Informational 15 Bitcoin

fix(core): fix tropic int pin

TZ57f717ee View source ↗
Public commit record

What the developer wrote

Authored by Ondřej Vejpustek

88/100 · Strong
fix(core): fix tropic int pin

[no changelog]

It was fixed according to:
https://github.com/trezor/trezor-hardware/blob/master/electronics/trezor_safe_7/ts7_main_rev_d_sch.pdf
This pin has not been used so far.
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context✓ Links an issue, advisory, or supporting reference
The short version

What changed, and why it matters

This commit corrects the wrong GPIO pin assignment for the interrupt line of the Tropic01 secure chip on Trezor T3W1 hardware revisions A, B, and C. Previously the interrupt pin was set to the same pin as the power-control line, which does not match the hardware schematic. The commit message says this interrupt pin has not been used so far, so the practical security impact appears low.

Recommended action

No immediate action required beyond normal review. If the Tropic01 interrupt line becomes used in future firmware, verify that the corrected GPIO mapping is consistently applied and that interrupt handlers and power-control logic do not conflict.

Security signals we found

01

Incorrect hardware pin mapping for a secure-element interrupt line

02

Fix references an external hardware schematic rather than a security advisory

Risk score

Why this scored 15/100

Our methodology →
Potential impact 2/30
Exploitability 1/25
Stealth signal 1/15
Affected reach 2/15
Confidence 6/10
Evidence quality 3/5
Human-validated context

Community notes

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The AI analysis stands alone for now. Submit a note if you can add evidence or important context.

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