tpm_setpresence(8)tpm_setpresence(8)
TPM Management - tpm_setpresenceNAME
tpm_setpresence- change TPM physical presence states or settings
SYNOPSIStpm_setpresence [OPTION]
DESCRIPTIONtpm_setpresence reports the status of the TPM's flags regarding
physical presence. This is the default behavior and also accessible
via the --status option. Requesting a report of this status prompts for
the owner password. The --assert option changes the TPM to the
physically present state. The --clear option changes the TPM to the
not present state. The --lock option locks the TPM to the current
physical presence state for the current boot cycle. The --enable-cmd
option allows the TPM to accept local commands to toggle physical
presence states. The --disable-cmd option prevents the TPM from
accepting local commands to toggle physical presence states. The
--enable-hw option allows the TPM to accept hardware signals to toggle
physical presence states. The --disable-hw option prevents the TPM from
accepting hardware signals to toggle physical presence states. The
--set-lifetime-lock option locks the Command and Hardware enablement
flags in their current state permenantly. This option can never be
undone. The system will attempt to use the owner password to display
the current states before preceding unless the --yes option is given to
answer yes to all questions. All changes are made with the
TSC_Physical Presence API.
-h, --help
Display command usage info.
-v, --version
Display command version info.
-l, --log [none|error|info|debug]
Set logging level.
-u, --unicode
Use TSS UNICODE encoding for passwords to comply with
applications using TSS popup boxes
-a, --assert
Assert that an admin is physically present at the machine.
-c, --clear
Remove the assertion that an admin is physically present at the
machine.
--lock Lock the assertions of physical presence in there current states
until a reboot.
--enable-cmd
Allow use of commands to signal an admin is physically present.
--disable-cmd
Disallow use of commands to signal an admin is physically
present.
--enable-hw
Allow use of hardware signals to signal an admin is physically
present.
--disable-hw
Disallow use of hardware signals to signal an admin is
physically present.
--set-lifetime-lock
Allow no further changes to the flags controling how physical
presence can be signaled. This is PERMANENT.
-y, --yes
Answer yes to all questions. Only applicable with
--set-lifetime-lock.
-z, --well-known
Authenticate using 20 bytes of zeros as owner password (the
default TSS Well Known Secret), instead of prompting for an
owner password.
SEE ALSOtpm_version(1), tpm_setenable(8), tpm_setactive(8), tpm_setownable(8),
tcsd(8)REPORTING BUGS
Report bugs to <trousers-users@lists.sourceforge.net>
TPM Management 2005-05-06 tpm_setpresence(8)
