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Sebastian Falbesoner

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73 commits2 monitored projects23 candidates0 high-risk analyses
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libsecp256k1Bitcoin Core40 commits16 candidates0 high riskBitcoin CoreBitcoin Core33 commits7 candidates0 high risk
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Informational 15 AI analysisMessage 100 · Strong
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

test: introduce NodeSigner, run feature_taproot.py without wallet compiled

This commit only changes Bitcoin Core's internal functional test code. It introduces a small test helper class called NodeSigner so that one specific test (feature_taproot.py) can run even when Bitcoin Core is compiled without its built-in…

91586f70by Sebastian Falbesoner+49−142 files
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Low 36 AI analysisMessage 100 · Strong
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

refactor: introduce `_ecmult_gen_ge` helper (preventing accidental gej leaks)

This is a defensive code cleanup in a Bitcoin cryptography library. It introduces a helper function that wraps a common three-step pattern when multiplying by the generator point, ensuring that temporary sensitive Jacobian coordinate data …

New helper ensures intermediate Jacobian coordinates are always cleared after generator multiplicationCommit message states goal is to prevent accidental gej leaks of secret scalar informationRefactors existing call sites in ECDSA sign, Schnorr sign, pubkey creation, and blinding setup
a3296d5eby Sebastian Falbesoner+14−165 files
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Informational 15 AI analysisMessage 78 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

refactor, key: move `CreateMuSig2PartialSig` to `musig.{h,cpp}` module

This commit is a pure code move: it takes the CreateMuSig2PartialSig function out of the CKey class in key.cpp/key.h and places it in the musig.cpp/musig.h module. The function's logic is unchanged, and the only caller is updated to use th…

8ba5f68bby Sebastian Falbesoner+90−945 files
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Informational 15 AI analysisMessage 55 · Thin
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

doc: correct API docs for ECDSA signing out-params (s/array/signature object/)

This commit only fixes wording in the API documentation comments. It changes the description of a function output parameter from 'pointer to an array' to 'pointer to a signature object' in two header files. No actual code behavior changed,…

40a0d874by Sebastian Falbesoner+2−22 files
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Informational 15 AI analysisMessage 88 · Strong
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

bench: simplify script verification benchmark, generalize signing

This commit is a code cleanup inside a performance benchmark file. It changes how a test script creates a fake Bitcoin transaction and signature for timing purposes only. There is no change to the live Bitcoin network code, wallet handling…

dd93362aby Sebastian Falbesoner+27−261 file
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Informational 19 AI analysisMessage 100 · Strong
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

refactor: remove unnecessary `malloc` result casts

This commit is a straightforward code cleanup: it removes unnecessary type casts in front of memory allocation calls like malloc. In modern C, casting the result of malloc is not needed and is generally discouraged. The change does not alt…

97b3c478by Sebastian Falbesoner+17−173 files
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Informational 15 AI analysisMessage 50 · Thin
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

doc: rpc: fix case typo in `finalizepsbt` help (final_scriptwitness)

This commit fixes a capitalization typo in the help text for the `finalizepsbt` RPC command. The documentation previously referred to `final_scriptWitness` but the actual PSBT field name is `final_scriptwitness` (all lowercase). This is pu…

ff05bebcby Sebastian Falbesoner+1−11 file
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Informational 18 AI analysisMessage 73 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

key: use static context for libsecp256k1 calls where applicable

This commit is a code-quality and performance cleanup, not a security fix. It changes many Bitcoin Core calls to the libsecp256k1 cryptography library so they use a shared, read-only 'static context' instead of a special signing context. T…

Change is framed by the author as an API-correctness/performance optimization, not a security fixNo secret-key material is exposed or mishandled in the diffFunctions still requiring the signing context are explicitly preserved as such
1ff9e929by Sebastian Falbesoner+16−163 files
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