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Man Pages


Manual Reference Pages  -  TPM_SETACTIVE (8)

TPM Management - tpm_setactive

NAME

tpm_setactive - change TPM active states

CONTENTS

SYNOPSIS

tpm_setactive [OPTION]

DESCRIPTION

tpm_setactive reports the status of the TPM’s flags regarding the active state of the TPM. This is the default behavior and also accessible via the --status option. Requesting a report of this status prompts for the owner password. The --active option changes the TPM to the active state (via the TPM_PhysicalSetDeactivated API). This operation requires evidence of physical presence, is persistent and requires a reboot to take effect. The --inactive option (via the TPM_PhysicalSetDeactivated API) changes the TPM to the inactive state. This operation requires evidence of physical presence, is persistent and requires a reboot to take effect. An inactive TPM is essentially off but still allows for a tpm_takeownership to occur. The --temp option causes deactivation (via the TPM_SetTempDeactivated API) to happen immediately but only endure for the current boot cycle. The --status, --active, --inactive, and --temp options are mutually exclusive and the last one on the command line will be carried out.

-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
-s, --status
  Report the status of flags regarding the TPM active states.
-a, --active
  Make the TPM active. Operation is persistent, requires phyiscal presence to authorize, and a reboot to take effect.
-i, --inactive
  Make the TPM inactive. Operation is persistent, requires phyiscal presence to authorize, and a reboot to take effect.
-t, --temp
  Makes the TPM inactive for the current boot cycle only.
-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 ALSO

tpm_version(1), tpm_setpresence(8), tpm_takeownership(8), tpm_setenable(8), tcsd(8)

REPORTING BUGS

Report bugs to <trousers-users@lists.sourceforge.net>
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TPM Management TPM_SETACTIVE (8) 2005-05-06

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