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12 lines
389 B
Plaintext
12 lines
389 B
Plaintext
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TPM 2 DA (Dictionary Attack) protection triggers on 'unclean' reboots.
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If it has been tripped already:
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echo 5 > /sys/class/tpm/tpm0/ppi/request
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Then reboot to resume normal operation
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To configure DA:
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tpm2_dictionarylockout --setup-parameters --max-tries=4294967295 --clear-lockout
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Further, TPMA_OBJECT_NODA attribute may be useful, see https://github.com/systemd/systemd/issues/20668
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