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Niklas Dusenlund

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111 commits1 monitored projects29 candidates0 high-risk analyses
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Low 35 AI analysisMessage 68 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Fix LVGL transition style clearing

This commit fixes a bug in how the BitBox02 hardware wallet's user-interface library clears style transitions. Previously, passing 'None' for a transition style would store a null pointer in LVGL's style state, which could later be derefer…

Null-pointer dereference risk in LVGL transition style handling eliminated by removing the local property instead of storing NULLOptional pointer style setters now remove the property on None rather than passing NULL to LVGLTransition descriptor access restricted to crate-private, forcing callers through the LvStyleTransition wrapper
5b6092f4by Niklas Dusenlund+298−1016 files
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Moderate 59 AI analysisMessage 45 · Thin
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Fix some memory handling issues

This commit fixes two memory-handling bugs in the BitBox02 hardware wallet's Rust LVGL UI bindings. First, line widgets were storing point data in dynamically allocated memory attached to the LVGL object and freeing it when the object was …

Memory lifetime mismatch between Rust-owned Vec and C object lifetimePotential use-after-free / double-free in object-attached heap storageMissing terminator validation on C-style sentinel array passed to LVGL
3a7143f4by Niklas Dusenlund+84−263 files
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Informational 15 AI analysisMessage 73 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Add flash data backup scripts

This commit adds two helper scripts for developers to back up and restore BitBox02 flash memory areas using a Segger J-Link debugger. The scripts require physical hardware access and a debugging probe, and they are not part of the firmware…

285fa768by Niklas Dusenlund+383−03 files
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Low 25 AI analysisMessage 78 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Read chunks via typed pointers

This commit changes how the BitBox02 firmware reads sensitive stored data (device name, seed birthdate, encryption keys, BLE identity, etc.). Previously, the firmware copied whole chunks from flash into RAM and then cleared them afterward.…

Removal of RAM zeroization (util_zero/CLEANUP_CHUNK) for many secret-bearing chunk readsDirect flash-mapped typed pointers now used for sensitive fields in production buildsOne hardening fix: device_name copy now uses bounded '%.*s' instead of unbounded '%s'
e21bd6feby Niklas Dusenlund+164−1432 files
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Informational 15 AI analysisMessage 78 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Disable ASLR for unit tests

This commit changes how the project's automated unit tests are run. It disables Address Space Layout Randomization (ASLR) only during testing, when available, by wrapping the test command with setarch -R. ASLR randomizes where programs are…

a8b013ccby Niklas Dusenlund+5−11 file
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Informational 15 AI analysisMessage 45 · Thin
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Disable "readability-implicit-bool-conversion"

This commit changes a code-style configuration file to silence one more clang-tidy warning about implicit conversions to booleans. It does not modify any firmware source code, behavior, or security logic. By itself it is not a vulnerabilit…

788d5894by Niklas Dusenlund+1−01 file
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Informational 14 AI analysisMessage 58 · Thin
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Bootstrap local Cargo config

This commit is a build-system improvement for the BitBox02 hardware wallet firmware. It creates a script that automatically generates local Cargo (Rust build tool) configuration files so that Rust code compiles correctly for the ARM microc…

0e058d7dby Niklas Dusenlund+277−13912 files
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Informational 17 AI analysisMessage 78 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Bump Rust toolchain to 1.96

This commit is a routine maintenance update for the BitBox02 hardware wallet firmware. It upgrades the pinned Rust compiler toolchain from an older version to Rust 1.96.0, updates the project's Docker build container and related developer …

Routine toolchain and dependency upgradeVendored libc updated across many platform bindingsNo first-party security-relevant code changes
55e3dd30by Niklas Dusenlund+14839−13798360 files
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Informational 14 AI analysisMessage 90 · Strong
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Initialize ugui in component tests

This commit fixes a test-only setup problem. The unit tests for on-screen UI components were not initializing the graphics library (ugui) before running. Because label sizing now depends on ugui being set up, the tests could fail or hit de…

Test-only fix with no device firmware changeMentions that ugui null guards are debug assertions, not release-time early returns
83cce2d2by Niklas Dusenlund+19−11 file
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Informational 15 AI analysisMessage 68 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Reuse rotated render for logo

This commit is a simple code cleanup in the BitBox02 hardware wallet's user interface. It removes a duplicate, upside-down version of a small 'rotate' icon and instead flips the existing icon when needed. There is no security change.

e3087d04by Niklas Dusenlund+2−152 files
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Informational 16 AI analysisMessage 68 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Use debug asserts in ugui

This commit changes a small graphics library inside the BitBox02 hardware wallet so that it uses debug-only safety checks instead of always-on null checks. In normal release builds, the old null checks and the new ASSERT calls both effecti…

Removal of defensive null-check returns in favor of debug-only ASSERTNo new validation or hardening introducedRelease build behavior unchanged per commit message
c63cd971by Niklas Dusenlund+48−671 file
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Informational 15 AI analysisMessage 58 · Thin
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Remove transparent putchar API

This commit removes an unused function for drawing transparent characters on the BitBox02 hardware wallet screen. It is a straightforward code cleanup with no security relevance visible in the change.

b808c5c6by Niklas Dusenlund+3−132 files
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Informational 20 AI analysisMessage 78 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Remove inverted ugui text argument

This commit is a user-interface cleanup: it removes a special 'draw text upside-down' flag from the graphics library and instead uses a generic 180-degree rotation helper when the screen is flipped. It does not fix a security vulnerability…

No memory-unsafe patterns introduced: the change removes a boolean parameter and adds a bounded rotation helper with width/height validation.No attacker-controlled data is newly parsed or exposed.No cryptographic, bootloader-verification, or secure-storage code is modified.
323f2061by Niklas Dusenlund+291−20219 files
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Informational 15 AI analysisMessage 35 · Opaque
BB BitBoxBitBox02 firmware BitcoinHardware wallets

cleanup: remove unused crate

This commit simply deletes an unused third-party Rust crate (cmake) from the project's vendored dependencies. It is a cleanup change with no functional code modifications and no apparent security relevance.

c60f1cbdby Niklas Dusenlund+0−173914 files
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Informational 17 AI analysisMessage 68 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

lvgl-sys: remove cmake build

This commit changes how a graphics library (LVGL) is compiled into the BitBox02 firmware build. It removes the CMake-based build and instead compiles the library's C source files directly using Rust's cc crate. It also merges a separate si…

Build-system refactor with dependency removal (cmake crate)Configuration convergence: single lv_conf.h for firmware and graphical simulatorFunctional config changes (color depth, refresh period, log level) are not security fixes
6a279a9bby Niklas Dusenlund+196−15977 files
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Informational 15 AI analysisMessage 60 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

tooling: Move rust tools out of dockerfile

This commit is a routine developer tooling change. It moves the installation of Rust compiler components (such as code formatting, linting, and target platform support) out of the Docker build script and into a standard Rust toolchain conf…

b47b3145by Niklas Dusenlund+6−83 files
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Informational 15 AI analysisMessage 84 · Strong
BB BitBoxBitBox02 firmware BitcoinHardware wallets

build: run vendoring script from src/rust

This commit is a build-script maintenance change. It changes how a Rust dependency-vendoring script is invoked so that the correct Rust compiler version is automatically selected. There is no user-facing feature change and no indication of…

bd3d0f14by Niklas Dusenlund+13−52 files
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Informational 18 AI analysisMessage 76 · Adequate
BB BitBoxBitBox02 firmware BitcoinHardware wallets

clippy: warn for large futures

This change adds a Rust code-quality warning (Clippy lint) that flags async functions whose internal state machines get too large. It is a preventive development tool, not a fix for an existing security bug. The commit does not change any …

Memory-constrained embedded target (BitBox02 hardware wallet)Large async futures can bloat task allocations and stack usagePreventive static-analysis lint, not a runtime mitigation
c9c522f0by Niklas Dusenlund+4−22 files
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Informational 15 AI analysisMessage 28 · Opaque
BB BitBoxBitBox02 firmware BitcoinHardware wallets

assert 9.26.1

This commit only adds two new digital signature files for an already-released firmware version (9.26.1). These signatures are used by independent builders to publicly attest that they reproduced the official firmware exactly from source co…

0b6e2efbby Niklas Dusenlund+0−02 files
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Informational 15 AI analysisMessage 58 · Thin
BB BitBoxBitBox02 firmware BitcoinHardware wallets

Format generated protobufs explicitly

This commit is purely a code-style and build-maintenance change. It makes the Rust code generated from protocol-buffer definitions be formatted by rustfmt automatically and included in style checks. No security-sensitive behavior is change…

f22f12cdby Niklas Dusenlund+36−1603 files
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