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Martin Habovstiak

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28 commits2 monitored projects5 candidates0 high-risk analyses
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rust-bitcoinRust Bitcoin27 commits5 candidates0 high riskelectrselectrs1 commits0 candidates0 high risk
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Informational 18 AI analysisMessage 78 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add `impl Clone for Box<{custom DST}>`

This commit adds the ability to clone boxed versions of two custom unsized byte-wrapping types used in Bitcoin scripts. Before this change, code that tried to clone a Box<Script> or Box<PushBytes> would fail to compile. The change is a nor…

No security-relevant keywords in commit title or messageNo unsafe code introduced in the diffNo bounds-checking or validation logic changed
9b738a5fby Martin Habovstiak+50−15 files
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Informational 18 AI analysisMessage 68 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Explicitly don't support ficticious architectures

This commit removes a fallback for extremely unusual (and currently non-existent) computer architectures where a memory-size value might be larger than 64 bits. On such hypothetical platforms, the old code would quietly cap the value at th…

Silent saturation of out-of-range length values replaced with explicit unsupported-platform assertionDefensive hardening against hypothetical integer-width mismatchNo existing real architecture is affected
cf21edadby Martin Habovstiak+6−41 file
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Low 26 AI analysisMessage 68 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Avoid len check in `ArrayVec::spare_capacity_mut`

This commit changes an internal helper function in the rust-bitcoin library to skip a length safety check using Rust's `unsafe` keyword. The author argues this is safe because the type already relies on an internal invariant that the lengt…

Introduction of `unsafe` block where none existed beforeUse of `get_unchecked_mut` on a sliceReliance on manually maintained type invariant for soundness
0d9307f2by Martin Habovstiak+2−11 file
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Low 27 AI analysisMessage 80 · Strong
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Call low-level `ArrayVec` methods from high-level

This commit refactors internal helper methods in a fixed-size array type so that the safer, lower-level methods are reused instead of directly touching internal fields. It is a code-quality and safety-clarity improvement rather than a fix …

Refactoring of unsafe-adjacent code to centralize invariant enforcementAddition of SOUNDNESS comments for unsafe `set_len` callsUse of `spare_capacity_mut` and `last` to avoid direct field access
3d04756bby Martin Habovstiak+21−181 file
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Informational 12 AI analysisMessage 68 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Move high-level methods out of safety boundary

This commit is a code cleanup: it moves several helper methods (push, try_push, pop, extend_from_slice) out of a special 'safety_boundary' module into a normal implementation block. The actual behavior of the code does not change, and no s…

512a08f2by Martin Habovstiak+61−591 file
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Low 29 AI analysisMessage 51 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add `ArrayVec::set_len`

This commit adds a new low-level helper function called `set_len` to an internal array-like data structure (`ArrayVec`). It is marked `unsafe` and is intended to let other internal code manipulate the length of the array directly, similar …

New unsafe API with documented safety preconditionsPotential for memory safety violations if safety contract is violated by future callersNo immediate caller introduced in this commit
7073cc5cby Martin Habovstiak+11−01 file
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Informational 15 AI analysisMessage 58 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add `ArrayVec::spare_capacity_mut`

This commit adds a small helper method to an internal array-backed vector type. It simply exposes the unused portion of the underlying array as a mutable slice of uninitialized memory. There is no security issue visible in the change itsel…

ace24982by Martin Habovstiak+5−01 file
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Informational 15 AI analysisMessage 80 · Strong
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add `#[track_caller]` to `ArrayVec::push`

This commit adds a Rust compiler annotation to a helper function so that if it ever causes a program crash due to being full, the error message points at the code that called it rather than the helper itself. It does not change what the pr…

6d8ad233by Martin Habovstiak+1−01 file
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Informational 15 AI analysisMessage 50 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Simplify `ArrayVec::push`

This is a small internal code cleanup in the rust-bitcoin library. A function called `push` that adds items to a fixed-size array was rewritten to call a newer helper function (`try_push`) instead of doing the work directly. The behavior i…

1d32b2bcby Martin Habovstiak+2−41 file
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Informational 19 AI analysisMessage 68 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Replace `bool` in `Encoder` with an enum

This commit is a straightforward code cleanup: it replaces a true/false return value from an encoder's 'advance' method with a clearly-named enum (HasMore/Finished). The behavior of the code is unchanged; it only becomes easier to read and…

9dce71c2by Martin Habovstiak+106−6913 files
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Informational 15 AI analysisMessage 90 · Strong
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Test outcome of encoding, not chunking

This commit is a test-only refactor. It changes how encoding is verified in unit tests: instead of checking the exact byte chunks an encoder produces one at a time, tests now only check the final concatenated byte output. It also deletes t…

3fabfb86by Martin Habovstiak+74−4327 files
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Informational 15 AI analysisMessage 61 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Delete redundant tests

This commit simply removes duplicate unit tests from a Rust Bitcoin encoding library. The deleted tests covered the same compact-size encoding behavior that is already tested elsewhere, so no code logic changed and there is no security imp…

47a3246cby Martin Habovstiak+1−811 file
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Informational 15 AI analysisMessage 78 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add helpers for testing encoders

This commit adds new test-only helper functions that let developers check whether an encoder produces the expected bytes without needing to allocate memory. It also updates existing compact-size tests to use these helpers, making the tests…

09182b2dby Martin Habovstiak+84−713 files
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Informational 15 AI analysisMessage 58 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Remove `Option` from `CompactSizeEncoder`

This is a small internal cleanup in the Rust Bitcoin library. It removes an unnecessary use of Option (a type that can hold either a value or nothing) from a compact-size integer encoder. The change simplifies the code but does not fix a s…

ba03de02by Martin Habovstiak+5−61 file
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Informational 15 AI analysisMessage 78 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Call `*_to_vec` instead of manually looping

This is a small code cleanup in test files only. It replaces hand-written loops with existing helper functions that do the same thing. There is no security issue and no change to production code.

c5b36fa2by Martin Habovstiak+6−161 file
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Informational 15 AI analysisMessage 68 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Replace wildcard import with a single import

This is a trivial code cleanup: a developer replaced a wildcard import (`use super::*`) with a single explicit import (`use super::SerializedSignature`) in a small internal module. It has no security relevance; it only makes the code clear…

8c3c6b2fby Martin Habovstiak+1−11 file
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Informational 15 AI analysisMessage 85 · Strong
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Simplify and extend formatting of `Signature`

This is a small code cleanup in how Taproot signatures are printed or formatted as text/hex. It removes a tiny bit of duplicated logic by reusing an existing serialization helper and adds two new formatting traits (LowerHex and UpperHex). …

abb7ffe9by Martin Habovstiak+14−91 file
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Informational 11 AI analysisMessage 70 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Add failing test for `SerializedSignature` fix

This commit only adds a new unit test for a bug fix that was already applied in the previous commit. It does not change any production code itself. The test verifies that a Taproot signature can be serialized back to the same hex string it…

Commit is purely additive test codeNo production code changesReferences a fix in a previous commit but does not contain it
684d443cby Martin Habovstiak+20−101 file
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Low 44 AI analysisMessage 68 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Fix crash in `SerializedSignature` formatting

This commit fixes a crash when printing or formatting a Taproot serialized signature. The old code assumed every signature was the maximum possible length, but real signatures can be shorter. When a shorter signature was formatted, the cod…

Denial-of-service vector: formatting a shorter SerializedSignature could panicIncorrect buffer-size assumption in hex formatting macroCrash triggered via common traits (Display, LowerHex, UpperHex, Debug, to_hex)
5b989e8aby Martin Habovstiak+16−41 file
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Informational 15 AI analysisMessage 68 · Adequate
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

Simplyfy `impl Display for Magic`

This is a tiny internal code cleanup. It changes how a network 'magic' number is printed on screen so that one formatting routine reuses another identical routine, instead of duplicating the same logic. There is no security relevance.

76364c3bby Martin Habovstiak+1−21 file
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