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tpm_setownable(8)      DragonFly System Manager's Manual     tpm_setownable(8)

                       TPM Management - tpm_setownable


NAME

       tpm_setownable - change whether the TPM allows tpm_takeownership
       operations


SYNOPSIS

       tpm_setownable [OPTION]


DESCRIPTION

       tpm_setownable reports the status of the TPM's flags regarding if the
       TPM can be owned.  This is the default behavior and also accessible via
       the --status option. Requesting a report of this status prompts for the
       owner password.  The --allow option sets the system's TPM to allow
       tpm_takeownership operations (via the TPM_SetOwnerInstall API).  This
       operation requires physical presence.  The --prevent option (via the
       TPM_SetOwnerInstall API) prevents the TPM from accepting
       tpm_takeownership operations.  This operation requires physical
       presence.  These operations are persistent.  tpm_takeownership requires
       the tpm be enabled.

       -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 if the TPM can be owned.

       -a, --allow
              Allow tpm_takeownership operations.

       -p, --prevent
              Prevent tpm_takeownership operations.

       -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_takeownership(8), tpm_setpresence(8),
       tpm_setenable(8), tcsd(8)


REPORTING BUGS

       Report bugs to <trousers-users@lists.sourceforge.net>

TPM Management                    2005-05-06                 tpm_setownable(8)

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