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Ken Carpenter

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3 commits1 monitored projects1 candidates0 high-risk analyses
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Passport firmwareFoundation3 commits1 candidates0 high risk
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Moderate 60 AI analysisMessage 50 · Thin
FD FoundationPassport firmware BitcoinHardware wallets

SFT-6378: Fix mnemonic_to_bits() and ct_word_eq() to be constant time.

This commit fixes a timing side-channel weakness in the code that converts a BIP-39 recovery phrase (a list of words) back into the secret digital bits. Before the fix, the code stopped searching the word list as soon as it found a match a…

Timing side-channel mitigation in mnemonic decodingConstant-time string comparison added (`ct_word_eq`)Unconditional full wordlist scan to avoid index-dependent timing
f8311ca7by Ken Carpenter+238−183 files
Vendor flagged security relevance
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Informational 15 AI analysisMessage 35 · Opaque
FD FoundationPassport firmware BitcoinHardware wallets

Remove accidentally added file

This commit simply deletes a README file that described a factory testing feature. No code, firmware, or security controls were changed. The file itself was documentation and appears to have been added by mistake. There is no direct securi…

bbd9a705by Ken Carpenter+0−711 file
No security note in commit
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Informational 15 AI analysisMessage 60 · Adequate
FD FoundationPassport firmware BitcoinHardware wallets

SFT-5988: Keypad test with multiple colors and press/release visualization

This commit adds documentation for a factory test mode and improves the on-screen keypad test so it shows different colors when keys are pressed and released. It is a routine manufacturing/quality-assurance change with no security relevanc…

3c26157cby Ken Carpenter+121−362 files
No security note in commit
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