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Ilya Artemov

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97 commits2 monitored projects26 candidates1 high-risk analyses
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Ledger Bitcoin appLedger95 commits26 candidates1 high riskElectrumElectrum2 commits0 candidates0 high risk
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Informational 15 AI analysisMessage 50 · Thin
LD LedgerLedger Bitcoin app BitcoinHardware wallets

Aligning the streaming review to the normal one - using "To" for "Adddress"

This commit changes a single label shown on Ledger hardware wallet screens during Bitcoin transaction review. The label 'Address' is renamed to 'To' in the streaming transaction review flow so it matches the regular (non-streaming) review …

0d4a7599by Ilya Artemov+1−11 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

Using also_delete_snapshots parameter

This commit only changes a GitHub Actions CI workflow file. It adds a new optional checkbox that lets maintainers choose to delete outdated test snapshot files when automatically regenerating snapshots during a manual test run. There is no…

b7e86265by Ilya Artemov+6−01 file
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Informational 12 AI analysisMessage 60 · Adequate
LD LedgerLedger Bitcoin app BitcoinHardware wallets

Trustworthy sign_psbt amount/fee display for non-default sighash: integration tests

This commit only adds and updates automated integration tests for the Ledger Bitcoin app. It does not change the app's actual signing code. The tests verify that the device now shows clearer, more trustworthy on-screen amount and fee infor…

No C/device firmware code changesTest-only commit adjusting UI navigation expectationsNew tests assert that negative fees are rejected for default sighash but allowed/relabeled for ANYONECANPAY sighash
bb6a6aadby Ilya Artemov+175−325 files
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

Trustworthy sign_psbt amount/fee display for non-default sighash: unit-tests

This commit only adds new automated unit tests for functions that decide how transaction amounts and fees are displayed on a Ledger device when signing a Bitcoin transaction with non-standard signature hash (sighash) modes. It does not cha…

Commit title references trustworthy amount/fee display for non-default sighash, a historically sensitive area in hardware-wallet signing UITests cover sighash commitment semantics (SIGHASH_NONE, SIGHASH_SINGLE, SIGHASH_ANYONECANPAY combinations) that directly affect what outputs a signature commits toNo functional code changes in this commit; only unit-test additions
d44e34ddby Ilya Artemov+102−01 file
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Moderate 59 AI analysisMessage 50 · Thin
LD LedgerLedger Bitcoin app BitcoinHardware wallets

Trustworthy sign_psbt amount/fee display for non-default sighash: implementation

This commit changes how the Ledger Bitcoin app shows transaction amounts and fees on the device screen when a user signs a transaction that does not use the normal 'sign everything' rule (a so-called non-default sighash). Previously the ap…

UI trust reduction for non-default sighash prevents misleading fee/amount displaySighash classification helpers centralize ANYONECANPAY/NONE/SINGLE semanticsMixed-sighash detection disables coherent amount display
d4525576by Ilya Artemov+451−6612 files
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Informational 15 AI analysisMessage 35 · Opaque
LD LedgerLedger Bitcoin app BitcoinHardware wallets

Adding codecov configuration file

This commit adds a configuration file for Codecov, a service that tracks how much of the project's code is covered by automated tests. It only tells Codecov which folders to ignore and how to label different kinds of test coverage. It does…

cd53dd96by Ilya Artemov+33−01 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

Coverage for functional tests

This commit only adds a new GitHub Actions CI job that runs automated test coverage reports for the Bitcoin app. It does not change any application code, wallet logic, or security behavior. There is no user-facing or security-relevant chan…

6f96beffby Ilya Artemov+13−01 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

app-bitcoin-new rename to app-bitcoin - let's now use the docker image - already deployed after the push on develop

This commit simply updates a GitHub Actions workflow to use a renamed Docker container image. The old image name contained 'app-bitcoin-new' and the new name contains 'app-bitcoin'. This is a routine repository rename follow-up with no vis…

be18c501by Ilya Artemov+1−11 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

Let's use so far existing app-bitcoin-new docker image

This commit simply updates the GitHub Actions CI workflow to use the correct Docker image name for the newer 'app-bitcoin-new' project instead of the old 'app-bitcoin' image. It is a build/test infrastructure change with no effect on the a…

18599aeaby Ilya Artemov+1−11 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

app-bitcoin-new rename to app-bitcoin

This commit is a simple repository rename from 'app-bitcoin-new' to 'app-bitcoin'. It changes only one line in a GitHub Actions workflow file, updating the Docker container image path used for automated testing. There is no code change, no…

5f68df41by Ilya Artemov+1−11 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

A note added to README.md

This commit only adds a short note to the README.md file explaining that the repository was renamed. There are no code changes, no security fixes, and no functional changes to the Ledger Bitcoin app.

be0f6e90by Ilya Artemov+7−01 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

app-bitcoin-new rename to app-bitcoin

This commit is a simple project rename from 'app-bitcoin-new' to 'app-bitcoin'. It only updates URLs, repository references, and documentation strings across 17 files. There are no code logic changes, no security fixes, and no behavior cha…

3975774bby Ilya Artemov+21−2117 files
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Informational 12 AI analysisMessage 60 · Adequate
LD LedgerLedger Bitcoin app BitcoinHardware wallets

SIGHASH gating: status screen on disabled rejection - tests

This commit only adds a new automated test that checks the on-device error screen shown when a user tries to sign a Bitcoin transaction with a non-standard SIGHASH type while the non-standard SIGHASH setting is disabled. It does not change…

Test-only changeVerifies existing rejection of non-standard SIGHASH when setting disabledNo modification to signing/gating code
ef9d1eccby Ilya Artemov+19−11 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

SIGHASH gating: status screen on disabled rejection

This commit is a user-experience improvement, not a security fix. When a Bitcoin transaction uses a non-standard sighash and the user has not enabled the 'Allow non-standard sighash' setting, the app already rejected the transaction. Now i…

0e35a24dby Ilya Artemov+28−04 files
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Informational 15 AI analysisMessage 35 · Opaque
LD LedgerLedger Bitcoin app BitcoinHardware wallets

SIGHASH gating: tests_mainnet

This commit only updates a test script that navigates the Ledger device's on-screen dashboard. It adds extra button presses to account for a new 'App settings' menu item that appears before 'App info'. There is no change to the actual Bitc…

b67c7982by Ilya Artemov+4−01 file
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

SIGHASH gating: functional tests

This commit only adds automated functional tests for a new device setting that controls whether non-standard Bitcoin signature hash (sighash) types are allowed. It does not change the app code that runs on the Ledger device, so it cannot i…

Tests for gating of non-standard sighash typesDefault-deny behavior verified for SIGHASH_NONE, SIGHASH_SINGLE, ANYONECANPAY variantsNo modification to device-side signing logic in this commit
cb60be9aby Ilya Artemov+385−03 files
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LD LedgerLedger Bitcoin app BitcoinHardware wallets

SIGHASH gating: unit tests

This commit only adds new automated unit tests for an existing function called classify_sighash. It does not change any production wallet code, fix a bug, or alter behavior. The tests verify that different Bitcoin signature-hash types are …

Tests codify a security-relevant policy decision (safe vs. non-safe vs. unsupported sighash types)No change to production code, attack surface, or cryptographic handlingNo bug fix, bounds check, or input validation change present in diff
d89aa8b5by Ilya Artemov+112−02 files
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Low 48 AI analysisMessage 35 · Opaque
LD LedgerLedger Bitcoin app BitcoinHardware wallets

SIGHASH gating: implementation

This commit adds a user-controlled setting to the Ledger Bitcoin app that blocks non-standard Bitcoin transaction signing modes by default. Previously, these modes were allowed with only a warning. Now the app rejects them unless the user …

Adds default-deny gate for non-standard Bitcoin sighash typesIntroduces persistent NVRAM setting for security-relevant behaviorAdds explicit warning confirmation dialog before enabling risky setting
296bed60by Ilya Artemov+220−116 files
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Low 35 AI analysisMessage 47 · Thin
LD LedgerLedger Bitcoin app BitcoinHardware wallets

fix: TARGET_* constants propagation

This commit fixes a build-configuration problem in Ledger's Bitcoin app. Two source files now explicitly include the SDK header that defines TARGET_* constants (such as TARGET_NANOX, TARGET_STAX, TARGET_FLEX), and the build adds the correc…

Conditional compilation depends on device-specific TARGET_* macrosMissing SDK header could cause silent fallback to default code pathsCompile-time guard added to fail closed if constants are unavailable
56299efaby Ilya Artemov+9−03 files
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Low 30 AI analysisMessage 50 · Thin
EL ElectrumElectrum BitcoinSoftware wallets

Bump minimum required version of ledger_bitcoin (build-time and runtime)

This commit simply raises the minimum required version of the ledger_bitcoin library that Electrum uses to talk to Ledger hardware wallets. It does not by itself fix any specific bug; it is a dependency version bump that may be a follow-up…

Dependency minimum version raised, which can be a response to a security fix in the upstream libraryNo direct code-level security fix is visible in the diffNo vendor security explanation is present in the commit message
44570bfaby Ilya Artemov+2−22 files
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