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Informational 15 Bitcoin

test(core): test both `AuthenticateDevice` flows

Public commit record

What the developer wrote

Authored by Roman Zeyde

82/100 · Strong
test(core): test both `AuthenticateDevice` flows

Also, de-duplicate `challenge` parametrization using a fixture.

[no changelog]
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body✓ Mentions testing or verification
The short version

What changed, and why it matters

This commit only adds and reorganizes automated tests for the device-authentication feature on Trezor hardware wallets. It does not change the firmware code that runs on the device, so it cannot introduce a security vulnerability or fix one in the shipped product. The changes make the test suite exercise both the Optiga and Tropic authentication flows, test chunking sizes, and verify that invalid requests are rejected with proper error messages.

Recommended action

No security action required; treat as routine test maintenance. Reviewers may verify that the new tests pass in CI and that the UI fixture hashes are correctly regenerated.

Security signals we found

01

No firmware code changes

02

Test-only commit

03

Adds negative test cases for AuthenticateDevice/GetAuthenticityProofChunk error handling

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Expands coverage of both Optiga and Tropic device-authentication flows

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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