tss2_pcrextend - Online Linux Manual PageSection : 1
Updated : APRIL 2019
Source : tpm2−tools
Note : General Commands Manual
NAMEtss2_pcrextend(1) −
SYNOPSIStss2_pcrextend [OPTIONS]
SEE ALSOfapi−config(5) to adjust Fapi parameters like the used cryptographic profile and TCTI or directories for the Fapi metadata storages. fapi−profile(5) to determine the cryptographic algorithms and parameters for all keys and operations of a specific TPM interaction like the name hash algorithm, the asymmetric signature algorithm, scheme and parameters and PCR bank selection.
DESCRIPTIONtss2_pcrextend(1) − This command extends the data into the PCR listed. The parameter logData is extended into the PCR log. If the logData is NULL, only the PCR extend takes place. All PCRs currently active in the TPM are extended.
OPTIONSThese are the available options: • −x, −−pcr=INTEGER: The PCR to extend. • −i, −−data=FILENAME or − (for stdin): The event data to be extended. • −l, −−logData=FILENAME or − (for stdin): Contains a JSON representation of data to be written to the PCR’s event log. Optional parameter.
COMMON OPTIONSThis collection of options are common to all tss2 programs and provide information that many users may expect. • −h, −−help [man|no−man]: Display the tools manpage. By default, it attempts to invoke the manpager for the tool, however, on failure will output a short tool summary. This is the same behavior if the ‟man” option argument is specified, however if explicit ‟man” is requested, the tool will provide errors from man on stderr. If the ‟no−man” option if specified, or the manpager fails, the short options will be output to stdout. To successfully use the manpages feature requires the manpages to be installed or on MANPATH, See man(1) for more details. • −v, −−version: Display version information for this tool, supported tctis and exit.
EXAMPLE
tss2_pcrextend −−pcr=16 −−data=data.file −−logData=logData.file
RETURNS0 on success or 1 on failure.
BUGSGithub Issues (https://github.com/tpm2-software/tpm2-tools/issues)
HELPSee the Mailing List (https://lists.linuxfoundation.org/mailman/listinfo/tpm2) 0
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