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Informational 22 Monero

Migrate and enhance BitBox integration with updated library (#3765)

Public commit record

What the developer wrote

Authored by Konstantin Ullrich

91/100 · Strong
Migrate and enhance BitBox integration with updated library (#3765)

* feat: migrate Bitbox integration to updated bitbox_flutter library

- Replaced `BitboxManager` with `BitboxConnection` across services and files.
- Updated `pubspec.yaml` to use the new bitbox_flutter library via Git dependency.
- Refactored Bitbox service classes (`BitcoinBitboxService`, `LitecoinBitboxService`, and `EVMChainBitboxService`) to align with the updated library's API.
- Adjusted DI and ViewModels to support the new connection manager logic.
- Improved modularity with helper methods for Bitbox functionality like signing and address derivation.

* feat: add BitBox initialization and channel hash verification steps in connection process

* feat: add channel hash verification UI for BitBox pairing process

* refactor: remove BitBox Flutter build scripts and Docker integration

* feat: add BLE support for BitBox devices and refactor BitBox hardware wallet handling

* feat: improve bitbox connection handling

* refactor: simplify BitboxViewModel initialization and cleanup unused reactions

* `chore: remove BitBox build steps from CI workflows`

* feat: enhance hardware wallet UI and allow BitBox BLE only on ios

* refactor: improve BitBox connection logic and remove debug prints

* refactor: replace `SvgPicture` with `CakeImageWidget` for hardware wallet manufacturer images

* chore: update BitBox Flutter dependency URLs and commit refs

* feat: add conditional inclusion of BitBox hardware wallet option for mobile devices
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context✓ Mentions testing or verification✓ Links an issue, advisory, or supporting reference
The short version

What changed, and why it matters

This commit updates Cake Wallet's integration with BitBox hardware wallets. It swaps an older local library for a newer one fetched from GitHub, rewrites the connection code to support both USB and Bluetooth (BLE), and adds a user-facing pairing-code confirmation screen. The changes are mostly a feature/refactor rather than a clear security fix, but they touch sensitive areas: how the app talks to a hardware wallet, verifies the pairing channel, and signs cryptocurrency transactions.

Recommended action

Review the new bitbox_flutter dependency source (cake-tech/bitbox_flutter at the pinned ref) for supply-chain integrity, verify that channel-hash verification cannot be bypassed programmatically, and audit the BLE pairing/scanning flow for man-in-the-middle risks. Because the diff does not show the new library's implementation, treat this as a partial patch requiring follow-up review.

Security signals we found

01

Hardware wallet signing path refactored

02

Channel hash verification UI added for BitBox pairing

03

BLE transport introduced for hardware wallet communication

04

Dependency source changed from local path to external Git repository

05

CI build steps and Docker integration for BitBox removed

Risk score

Why this scored 22/100

Our methodology →
Potential impact 4/30
Exploitability 3/25
Stealth signal 3/15
Affected reach 5/15
Confidence 5/10
Evidence quality 2/5
Human-validated context

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