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Muhammad

Public commit activity attributed with strong match confidence. This page describes observable work, not personal trustworthiness.

3 commits2 monitored projects1 candidates0 high-risk analyses
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Projects connected to MuhammadA visual map of monitored and externally discovered repositories.Mdeveloper1Bitcoin Core2rust-bitcoin
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Bitcoin CoreBitcoin Core1 commits1 candidates0 high riskrust-bitcoinRust Bitcoin2 commits0 candidates0 high risk
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Informational 12 AI analysisMessage 55 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

fee_rate: add test for mul_by_weight rounding

This commit only adds a new unit test that checks how a fee rate multiplied by a transaction weight rounds up. It does not change any production code, so it cannot introduce or fix a security vulnerability by itself. It may be related to a…

517705a0by Muhammad+8−01 file
No security note in commit
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Moderate 51 AI analysisMessage 45 · Thin
RB Rust Bitcoinrust-bitcoin BitcoinCryptographic libraries

fee_rate: fix mul_by_weight to use ceil not floor

This commit fixes a rounding bug in a Bitcoin fee calculation. The code previously rounded the fee rate down to the nearest whole number before multiplying by transaction weight, which could cause the calculated fee to be slightly too low.…

Rounding direction changed from floor to ceil in fee computationPotential for computed fee to be slightly below required amount before fixTransaction fee insufficiency can lead to network rejection or delayed confirmation
8c7584caby Muhammad+1−11 file
No security note in commit
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Low 42 AI analysisMessage 81 · Strong
BC Bitcoin CoreBitcoin Core BitcoinSupply chain

key: validate BIP32 seed length in CExtKey::SetSeed

This commit adds a safety check to Bitcoin Core's code that creates master cryptographic keys from a seed. The BIP32 standard says seeds must be 16 to 64 bytes long, but the function previously accepted any length, including empty seeds. T…

Input validation added to cryptographic key derivationNon-compliant BIP32 seed lengths now rejectedDefense-in-depth hardening against weak master keys
2cf9d79dby Muhammad+1−01 file
Vendor flagged security relevance
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