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Ondřej Vejpustek

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95 commits1 monitored projects34 candidates0 high-risk analyses
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Trezor firmwareTrezor95 commits34 candidates0 high risk
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Low 44 AI analysisMessage 67 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

fix(core/python): fix encoding in authentication challenge

This commit fixes how the Trezor Python library builds an authentication challenge. Previously, the code encoded the length of a header and the length of the challenge as a single byte, which only works for values up to 255. The fix uses a…

Fix in authentication/verification code pathChange from fixed single-byte length prefix to variable-length compact_size encodingPotential for incorrect serialization if challenge/header length exceeds 255 bytes
86b5d99cby Ondřej Vejpustek+3−31 file
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Informational 15 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

chore: create phony target in makefiles

This commit only adds '.PHONY' declarations to many Makefiles. These declarations tell the build system that certain target names are not real files, preventing build mistakes if a file with the same name happens to exist. There is no chan…

40926b8bby Ondřej Vejpustek+110−817 files
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Low 44 AI analysisMessage 72 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(core/embed): make pin verification faster on T3W1

This commit changes how many times a device 'stretches' (repeats and strengthens) the user's PIN before checking it. On T3W1 devices, when a build-time flag called STRETCHED_PIN_COUNT is greater than 1, the code now reduces both Optiga har…

Reduction of PBKDF2/Optiga PIN stretching iterations to 1 under a build-time conditionConditional bypass of production iteration count via STRETCHED_PIN_COUNT macroChange touches security-critical PIN verification and storage code
915d14d3by Ondřej Vejpustek+5−12 files
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