tpm_updatepcrhash (8) - Linux Man Pages
SYNOPSIStpm_updatepcrhash [-hv] OLD-HASH-FILE PCR-VALUE-FILE NEW_HASH-FILE
This program updates the PCR composite hash in file OLD-HASH-FILE to produce the file NEW-HASH-FILE. The new composite hash is computed from the data in the file PCR-VALUE-FILE, which contains a list of PCR index=value pairs. The format of this file as the same as PCR value file generated by tpm_getpcrhash.
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