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OpenDisplay
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Phase 1: nonce/replay correctness + unauthenticated-command guard
- #127
#127
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davelee98
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Phase 1: nonce/replay correctness + unauthenticated-command guard
#127
davelee98
wants to merge 9 commits into
OpenDisplay:main
OpenDisplay/Firmware:main
from
davelee98:feat/nonce-replay-and-auth-guard
davelee98/Firmware:feat/nonce-replay-and-auth-guard
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Commits on Jul 26, 2026
fix(nonce): replace 512 B replay value ring with a 32 B sliding bitmap
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fix(nonce): split check from commit; stop counting packet loss as tampering
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fix(pipe): do not answer a nonce-dropped 0x0081 frame with a fatal NACK
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ci: separate host-tests job for the nonce-window state machine
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test: host test for the nonce sliding-window state machine
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fix(nonce): review follow-ups - split log budgets, readable replay log, honest comments
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fix(nonce): answer session-id mismatch with AUTH_REQUIRED, not a fatal NACK
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feat(auth): drop the BLE link after 10 consecutive unauthenticated commands
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fix(auth): drop the BLE link inline on nRF; loop() is starved mid-transfer
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