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Fabian Jahr

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66 commits1 monitored projects2 candidates0 high-risk analyses

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Bitcoin CoreBitcoin Core66 commits2 candidates0 high risk

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Moderate 60 AI analysisMessage 60 · Adequate

8 months, 1 week ago

BC Bitcoin CoreBitcoin Core BitcoinSupply chain

musig: Check session id reuse

This commit hardens Bitcoin Core's MuSig2 multi-signature code by refusing to save a second secret nonce under the same session ID. Before the change, an attacker or buggy caller could potentially overwrite a nonce, which in multi-signatur…

nonce-reuse prevention in MuSig2 signingassertion added to enforce single-secnonce-per-session invariantcryptographic signing state integrity hardening

c9519c26by Fabian Jahr+3−11 file

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