crypto/external/cpl/tpm-tools/dist/man/man8/tpm_setownable.8
author yamt <yamt@NetBSD.org>
Tue, 17 Apr 2012 00:01:34 +0000
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.\" Copyright (C) 2005 International Business Machines Corporation
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.TH "tpm_setownable" 8 "2005-05-06"  "TPM Management"
.ce 1
TPM Management - tpm_setownable 
.SH NAME
tpm_setownable \- change whether the TPM allows tpm_takeownership operations 
.SH "SYNOPSIS"
.ad l
.hy 0
.B tpm_setownable
.RB [ OPTION ]

.SH "DESCRIPTION"
.PP
\fBtpm_setownable\fR 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 \fB\-\-status\fR option. Requesting a report of this status prompts for the owner password.  The \fB\-\-allow\fR option sets the system's TPM to allow tpm_takeownership operations  
(via the TPM_SetOwnerInstall API).  This operation requires physical presence.  The \fB\-\-prevent\fR 
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.

.TP
\fB\-h\fR, \fB\-\-help\fR
Display command usage info.
.TP
\fB-v\fR, \fB\-\-version\fR
Display command version info.
.TP
\fB-l\fR, \fB\-\-log\fR [none|error|info|debug]
Set logging level.
.TP
\fB-u\fR, \fB\-\-unicode\fR
Use TSS UNICODE encoding for passwords to comply with applications using TSS popup boxes
.TP
\fB-s\fR, \fB\-\-status\fR
Report the status of flags regarding if the TPM can be owned. 
.TP
\fB-a\fR, \fB\-\-allow\fR
Allow tpm_takeownership operations. 
.TP
\fB-p\fR, \fB\-\-prevent\fR
Prevent tpm_takeownership operations.
.TP
\fB-z\fR, \fB\-\-well-known\fR
Authenticate using 20 bytes of zeros as owner password (the default TSS Well Known Secret), instead of prompting for an owner password. 

.SH "SEE ALSO"
.PP
\fBtpm_version\fR(1), \fBtpm_takeownership\fR(8), \fBtpm_setpresence\fR(8), \fBtpm_setenable\fR(8), \fBtcsd\fR(8)

.SH "REPORTING BUGS"
Report bugs to <trousers-users@lists.sourceforge.net>