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PrisionMike

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94 commits1 monitored projects59 candidates0 high-risk analyses
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Informational 15 AI analysisMessage 67 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

test(clear signing): multiple calldata

This commit only adds new automated tests for Trezor's Ethereum 'clear signing' feature. It includes a test case for an Aave multi-call transaction, a matching test data blob, and expected screen snapshots for different device models and l…

0de94b8aby PrisionMike+46−64 files
No security note in commit
Low 30 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): calldata array support

This commit adds support in Trezor's Ethereum clear-signing feature for transactions that contain multiple embedded subcalls (like a multicall). Previously, only a single embedded call could be clearly displayed. The change lets the device…

New input validation added: callee array length must match subcall array lengthType validation enforced: each subcall blob must be bytes, each callee must be a 20-byte addressGraceful degradation preserved: unparseable subcalls fall back to raw hex display rather than failing the whole transaction
0feb0b96by PrisionMike+186−162 files
No security note in commit
Informational 15 AI analysisMessage 72 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

test(clear_signing): add device test for calldata formatter.

This commit only adds a new automated test case for an existing Ethereum transaction display feature. It does not change any production firmware code, so it cannot introduce a security vulnerability or fix one. It is purely a test-data add…

701624d3by PrisionMike+21−02 files
No security note in commit
Low 39 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): support for calldata formatter. - core changes

This commit adds a new Trezor firmware feature called 'clear signing' for nested Ethereum calls. It lets the device understand when a transaction wraps another contract call (like a router or multicall) and tries to show the user readable …

New nested calldata parsing path with explicit depth cap of 1@.to override to callee to prevent token resolution from pointing at the wrapper contract@.from and @.value rejected in nested parse to avoid displaying confidently wrong sender/value
570eb868by PrisionMike+627−503 files
No security note in commit
Informational 23 AI analysisMessage 72 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

test(clear_signing): add enum formatter device test.

This commit is a test-only addition for Trezor's Ethereum 'clear signing' feature. It adds new test cases and makes a small production-code tweak so that enum display-formatters can accept byte values (converted to integers). The change is…

Production code change is a type-handling relaxation in display formatting onlyNo changelog entry; commit is explicitly test-focusedNo vendor security disclosure or advisory referenced
b2d82435by PrisionMike+103−217 files
No security note in commit
Informational 19 AI analysisMessage 82 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

fix(clear_signing): double display of amount.

This commit fixes a user-interface bug in Trezor's Ethereum 'clear signing' flow where the transaction's native ETH amount could be shown twice on the device screen. The old code tried to avoid duplication by checking whether an 'AmountFor…

No cryptographic, authorization, memory-safety, or input-validation changesChange is limited to on-screen display deduplication logicNo changelog entry requested by the vendor ('[no changelog]')
ce2282bdby PrisionMike+14−172 files
No security note in commit
Informational 21 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): Add enum formatter - core

This commit adds a new display formatter for Ethereum clear signing. It lets a transaction descriptor map numeric enum values (like 1 or 2) to human-readable labels (like 'stable' or 'variable') on the Trezor screen. The change is purely a…

New formatter raises InvalidFormatDefinition on unexpected/missing enum values, causing fallback to blind signing rather than displaying an untrusted labelDuplicate enum keys are rejected at descriptor decode timeNon-integer enum values are rejected at format time
4b25321cby PrisionMike+131−42 files
No security note in commit
Low 31 AI analysisMessage 72 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): support sliced paths.

This commit adds a new feature to Trezor's Ethereum 'clear signing' system that lets wallet definitions extract a slice of bytes from a numeric parameter. For example, a 32-byte number that secretly packs an address into its last 20 bytes …

Feature adds ability to display only a byte slice of a larger numeric field, which can prevent UI spoofing when high bits of a packed value carry flags or a different addressNew validation rejects byte-slicing negative signed integersNo changelog entry and commit message frames change as a feature, not a security fix
017cf136by PrisionMike+244−426 files
No security note in commit
Low 32 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): adding some more simple types.

This commit adds support for more Ethereum data types in Trezor's clear signing feature. It introduces parsing for signed 160-bit integers (int160) and fixed-size byte arrays of various lengths (bytes4, bytes8, bytes16, bytes20, bytes32). …

New parser factory functions include explicit bounds and padding validationSigned integer parser checks two's complement sign-extension paddingFixed-bytes parser validates trailing zero padding per Solidity ABI spec
1e146d45by PrisionMike+181−578 files
No security note in commit
Informational 17 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): externalise provider names

This commit adds a new optional 'provider_name' field to the data structure used for Ethereum 'clear signing' on Trezor devices. When a provider name is supplied, the device will show that name instead of the usual recipient address lookup…

New untrusted string field (provider_name) rendered in transaction UIProvider name replaces address-book lookup, potentially hiding true recipientNo visible input validation, length limits, or allowlist in the diff
0a882a4aby PrisionMike+90−236 files
No security note in commit
Informational 19 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): update defs with providers

This commit updates the Trezor Ethereum 'clear signing' feature so that when a known DeFi contract (like 1inch or Uniswap) is recognized, the device screen shows the provider's human-readable name (e.g., '1inch Aggregation Router V6') inst…

UI label change only: no transaction validation logic alteredNo new external inputs parsed; provider_name is hardcoded in definitionsNo memory-unsafe operations or buffer size changes
8698d011by PrisionMike+42−104 files
No security note in commit
Moderate 59 AI analysisMessage 77 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

fix(clear_signing): fix bytes[] and strings[] parsing. [no changelog]

This commit fixes how Trezor firmware parses certain Ethereum transaction data types—specifically arrays of byte blobs (bytes[]) and arrays of strings (string[])—when showing clear signing details on the device screen. Before the fix, the …

Incorrect offset handling in transaction data decoderPotential display of misleading clear-signing informationDouble pointer dereference in dynamic array parsing
6eb57726by PrisionMike+41−91 file
No security note in commit
Moderate 62 AI analysisMessage 100 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

fix(clear_signing): parse arrays of static structs per the ABI spec.

This commit fixes a bug in how Trezor firmware parses Ethereum transaction data for 'clear signing' of complex smart-contract calls. The parser previously misread arrays of simple structs (e.g., lists of token-swap details) because it assu…

Incorrect ABI decoding of arrays of static structs could lead to mis-displayed transaction fields during clear signing.Mis-decoded fields may cause users to approve transactions different from what they see, or trigger blind-signing fallback.Bounds-check improvements and rejection of zero-field tuples reduce denial-of-service / unbounded parse risks.
6cf0c47dby PrisionMike+186−1445 files
No security note in commit
Informational 15 AI analysisMessage 85 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(clear_signing): rename for readability, no behavior change.

This is a pure code cleanup: it replaces hard-coded '32' values with a named constant, renames a class from 'Dynamic' to 'DynamicLeaf' for clarity, and renames a variable for readability. The commit message explicitly says 'no behavior cha…

87ac4b19by PrisionMike+82−552 files
No security note in commit
Informational 13 AI analysisMessage 85 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(clear_signing): remove dead parse_uint256_array and unreachable guards.

This commit removes unused code and unreachable safety checks from the Ethereum clear-signing module. The removed function (parse_uint256_array) was never actually used, and the type-check guards it supported could never be triggered. Ther…

9d516f9fby PrisionMike+4−211 file
No security note in commit
Informational 19 AI analysisMessage 77 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

chore(clear_signing): Remove hardcoded LI.FI definitions [no changelog]

This commit removes built-in, hard-coded display rules for the LI.FI swap/bridge protocol from Trezor's Ethereum 'clear signing' feature. It is a feature cleanup, not a fix for a code vulnerability. The change means Trezor will no longer a…

Removal of hard-coded protocol-specific display definitionsNo changes to transaction parsing, signing, or access-control codeTest fixtures migrated to external-definitions test path
ba9fded8by PrisionMike+945−25806 files
No security note in commit
Informational 15 AI analysisMessage 75 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

tests(clear_signing): add external definition fixtures. [no changelog]

This commit is purely a test-data update for Trezor's Ethereum 'clear signing' feature. It removes old built-in test fixtures and adds new externally-supplied token/chain definition files so the test suite can exercise how the device handl…

No production code changesTest-only fixture addition and removalExternal definition loading helpers are test scaffolding
97eaee6cby PrisionMike+984−87826 files
No security note in commit
Informational 15 AI analysisMessage 100 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

test(ethereum): check function signature at source.

This is a test-only refactoring commit. It changes how Ethereum function signatures are represented in firmware source code (from hex strings converted at runtime to raw byte literals) and updates the corresponding unit test to verify thos…

54c20421by PrisionMike+135−1272 files
No security note in commit
Informational 15 AI analysisMessage 100 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

test(core/ethereum): add EIP-7702 test vectors

This commit only adds a new test data file containing example inputs and expected outputs for Ethereum's EIP-7702 authorization signing feature. It does not change any production firmware code, so it cannot introduce a security vulnerabili…

bf9ca3baby PrisionMike+128−01 file
No security note in commit
Low 27 AI analysisMessage 85 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(clear_signing): ERC-7730 constant (const_value) display fields

This commit adds a new way for Ethereum transaction definitions to include fixed text labels (called 'constant values') that are shown to the user during signing. It does not change how transaction data is parsed or signed, but it expands …

New untrusted input surface: `const_value` string in ERC-7730 display-format definitions is rendered to the user without length or content validation visible in the diff.Display-only data path bypasses calldata parsing, so a malicious or compromised host-side definition could show arbitrary constant text alongside real transaction fields.No input sanitization, escaping, or length limits are added for `const_value` in the changed code.
9e593447by PrisionMike+156−487 files
No security note in commit
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