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Man Pages


Manual Reference Pages  -  TPM_SETOWNABLE (8)

TPM Management - tpm_setownable

NAME

tpm_setownable - change whether the TPM allows tpm_takeownership operations

CONTENTS

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>
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TPM Management TPM_SETOWNABLE (8) 2005-05-06

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