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Thomas

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4 commits1 monitored projects2 candidates0 high-risk analyses
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Low 49 AI analysisMessage 78 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

key: cleanse ChainCode on destruction

This commit is a defensive hardening change for Bitcoin Core's handling of BIP32 'chain codes'—secret-derived values used when creating child keys from a master key. Previously these values were stored as ordinary 256-bit numbers that coul…

memory_cleanse() added to destructor of sensitive cryptographic materialprevents potential information disclosure of BIP32 chain codes via memory scraping or core dumpsdefensive hardening consistent with existing CKey memory-cleansing practice
21a1380cby Thomas+12−94 files
Vendor flagged security relevance
Moderate 51 AI analysisMessage 68 · Adequate
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

crypto: cleanse HMAC stack buffers after use

This commit is a defensive hardening patch for Bitcoin Core's HMAC code. It wipes two temporary memory buffers that previously held sensitive key-derived data after the HMAC operation finishes. The change reduces the risk that leftover key…

cleansing of sensitive stack buffers after cryptographic useHMAC keyed with BIP32 chain code and HKDF PRK mentioned in commit messagememory_cleanse used to prevent potential information disclosure
b3a3f883by Thomas+8−02 files
Vendor flagged security relevance
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