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Shing Him Ng

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31 commits1 monitored projects7 candidates0 high-risk analyses
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rust-bitcoinRust Bitcoin31 commits7 candidates0 high risk
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Informational 15 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add allowed_duplicates to the file generator script

This commit changes only a fuzz-testing helper shell script. It adds a configuration entry telling an internal lint tool (rbmt) that the crate 'hex-conservative' is allowed to appear as a duplicate dependency in the fuzz workspace. There i…

058eb87aby Shing Him Ng+5−01 file
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Informational 12 AI analysisMessage 38 · Opaque
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add psbt fuzz target

This commit adds a new automated fuzz-testing target for Partially Signed Bitcoin Transactions (PSBTs) in the rust-bitcoin project. It does not change production behavior, fix a bug, or alter any user-facing API. It only adds test infrastr…

New fuzz target for PSBT parsing and manipulationGuard condition around known panic in Psbt::iter_funding_utxo()Arbitrary trait impls for Xpriv and SighashCache gated by arbitrary feature
390582f4by Shing Him Ng+73−05 files
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Informational 19 AI analysisMessage 45 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Implement `Arbitrary` for psbt types

This commit adds optional support for the `arbitrary` crate, a Rust fuzz-testing helper, across several data types in the rust-bitcoin library. It does not change normal runtime behavior; the new code is only compiled when the optional `ar…

Addition of optional third-party dependency (`arbitrary` 1.4.1)Expansion of conditional public API surface via new trait implementationsUse of fallible constructors inside `Arbitrary::arbitrary` with error mapping
37c9fce2by Shing Him Ng+280−117 files
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Informational 15 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Remove outdated doc from `XOnlyPublicKey::from_secp`

This commit simply removes two outdated lines from a code comment. The removed text incorrectly claimed that the function always sets an even parity, but the function actually accepts a parity argument supplied by the caller. There is no c…

277e0dceby Shing Him Ng+0−31 file
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Informational 15 AI analysisMessage 43 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Remove honggfuzz inputs

This commit simply deletes old fuzzing test input files that were used with the honggfuzz tool. The project has switched to a different fuzzer (libfuzzer), so these files are no longer needed. No code changes were made, and there is no sec…

9a1149fdby Shing Him Ng+0−92438 files
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Informational 15 AI analysisMessage 78 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Migrate from Honggfuzz to libfuzzer

This commit is a maintenance change that switches the project's fuzz testing framework from Honggfuzz to libfuzzer (cargo-fuzz). It updates build files, CI configuration, documentation, and fuzz target source files to use the new framework…

35c0b9d3by Shing Him Ng+603−120644 files
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Informational 15 AI analysisMessage 45 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add `arbitrary` to the list of Cargo features

This commit only adds a one-line documentation comment listing the existing `arbitrary` Cargo feature in the crate's documentation. It does not change any code, dependencies, build configuration, or behavior. There is no security relevance.

4ea21cd7by Shing Him Ng+1−01 file
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Low 45 AI analysisMessage 45 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Fix bug in `Psbt::spend_utxo` when missing output

This commit fixes a panic (sudden crash) in a Bitcoin transaction-signing helper. The function `spend_utxo` previously assumed that a referenced transaction output always existed, and used unchecked array indexing. If the output was missin…

Unchecked index into `Vec` replaced with bounds-checked `get`Panic-to-error conversion in transaction signing codeRegression test added for malformed/missing UTXO data
164a9a5aby Shing Him Ng+47−11 file
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Informational 15 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add #[track_caller] to `FutureLeafVersion::from_consensus`

This commit adds a Rust compiler hint called #[track_caller] to an internal helper function. It does not change program behavior, fix a bug, or alter any security boundary. It only improves the quality of panic/error location reporting if …

285c8421by Shing Him Ng+1−01 file
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Low 45 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Fix unreachable error bug during iteration of funding utxos

This commit fixes a bug where a specific PSBT error—'PsbtUtxoOutOfbounds'—was not handled during transaction extraction, causing the program to panic (crash) instead of returning a proper error. The fix makes the code treat this error the …

Fixes a panic/unreachable path in PSBT transaction extractionImproper error handling could lead to denial-of-service via crafted PSBT inputAdds regression test for malformed PSBT with out-of-bounds UTXO reference
a5bd5024by Shing Him Ng+57−11 file
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Moderate 50 AI analysisMessage 73 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Fix decoder bug when ending before decoding prefix

This commit fixes a bug in a Bitcoin data decoder. Previously, if you stopped decoding early—before the full length prefix was read—the decoder would incorrectly report success with an empty result instead of reporting an error. The fix ma…

Incorrect success on truncated/partial inputMissing input validation in decoder finalizationPotential for empty-vector misinterpretation by downstream callers
5d4f9cffby Shing Him Ng+65−01 file
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Informational 15 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add documentation for panics during size calculations

This commit only adds documentation comments explaining that certain size-calculation functions can panic if an arithmetic overflow occurs. It does not change any actual code behavior, fix a bug, or introduce new functionality. There is no…

c3e1bdc1by Shing Him Ng+25−03 files
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Informational 15 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Update `segwit_weight` and `legacy_weight` to use non-deprecated functions

This commit is a routine internal cleanup. It replaces deprecated function names with their newer equivalents in two helper methods that calculate Bitcoin transaction weight. The actual math and behavior remain the same, and the old functi…

0cd384d8by Shing Him Ng+10−43 files
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Informational 15 AI analysisMessage 70 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Remove deprecated constructors from fuzz target

This is a routine maintenance change to a fuzz-testing file. It removes two deprecated test helper functions from a list so that an automated daily fuzzing job stops failing. There is no change to production code, no user-facing behavior, …

a11c0376by Shing Him Ng+1−11 file
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Informational 15 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Update `Weight` and `TxInExt` functions with panic details

This commit only adds documentation comments describing situations where certain functions could panic due to arithmetic overflow. No code behavior was changed, so this is a documentation-only update with no security impact.

fcc34737by Shing Him Ng+20−02 files
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Informational 15 AI analysisMessage 28 · Opaque
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Remove unnecessary check

This commit removes a redundant error-message assertion from three internal fuzz-testing programs. The removed line only printed a nicer message when a deserialization failed; the very next line still checks that the round-trip result matc…

3f20d549by Shing Him Ng+0−33 files
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Informational 15 AI analysisMessage 75 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Move serialization round trip check before object mutation

This commit fixes a fuzz test so that it checks serialization round-trip correctness before modifying the object, rather than after. The change is purely a test logic correction and does not affect production code or introduce any security…

8e7f2d28by Shing Him Ng+4−41 file
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Informational 15 AI analysisMessage 60 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add `arbitrary_witness` and `parse_int` fuzz targets

This commit only adds two new fuzz-testing targets (automated test programs that feed random data to library functions) for the rust-bitcoin project. It does not change any production code, fix a bug, or alter behavior visible to users. Th…

3f20f068by Shing Him Ng+175−04 files
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Informational 15 AI analysisMessage 53 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Bump honggfuzz to 0.5.58

This commit simply updates a fuzz-testing helper library called honggfuzz from version 0.5.57 to 0.5.58. It only changes version numbers and lock-file checksums in files related to fuzz testing. There is no indication this fixes or introdu…

32396969by Shing Him Ng+6−64 files
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Informational 15 AI analysisMessage 55 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Introduce arbitrary_* `bitcoin` fuzz targets

This commit only adds and reorganizes fuzz testing code. Fuzz tests are automated quality-assurance tools that feed random or structured data to library functions to look for crashes or incorrect behavior. No changes are made to the actual…

b19f2d4fby Shing Him Ng+259−1009 files
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