.nr HAVE_TCTI_DEV 1
.nr HAVE_TCTI_SOCK 1
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.TH tpm2_nvrelease 8 "DECEMBER 2016" Intel "tpm2.0-tools"
.SH NAME
tpm2_nvrelease\ - release NV index, if any passwd option is missing, assume NULL.
.SH SYNOPSIS
.B tpm2_nvrelease[ COMMON OPTIONS ] [ TCTI OPTIONS ] [ \fB\-\-index\fR|\fB\-\-authHandle\fR|\fB\-\-handlePasswd\fR|\fB\-\-passwdInHex\fR|\fB ]
.PP
release NV index, if any passwd option is missing, assume NULL.
.SH DESCRIPTION
.B tpm2_nvrelease
release NV index, if any passwd option is missing, assume NULL.
.SH OPTIONS
.TP
\fB\-x ,\-\-index\fR
specifies the index of the NV area.
.TP
\fB\-a ,\-\-authHandle\fR
specifies the handle used to authorize:  0x40000001 (TPM_RH_OWNER)   0x4000000C (TPM_RH_PLATFORM) 
.TP
\fB\-P ,\-\-handlePasswd\fR
specifies the password of authHandle.
.TP
\fB\-X ,\-\-passwdInHex\fR
passwords given by any options are hex format
.TP
[\fBCOMMON OPTIONS\fR ]
This collection of options are common to many programs and provide
information that many users may expect.
.TP
\fB\-h,\ \-\-help\fR
Display a manual describing the tool and its usage.
.TP
\fB\-v,\ \-\-version\fR
Display version information for this tool.
.TP
\fB\-V,\ \-\-verbose\fR
Increase the information that the tool prints to the console during its
execution.
.TP
[\fBTCTI OPTIONS\fR ]
This collection of options are used to configure the varous TCTI modules
available.
.TP
\fB\-T,\ \-\-tcti\fR
Select the TCTI used for communication with the next component down the TSS
stack.
In most configurations this will be the TPM but it could be a simulator or
proxy.
Supported TCTIs are
.if (\n[HAVE_TCTI_DEV]) or \fB\*(lqdevice\*(rq\fR
.if (\n[HAVE_TCTI_SOCK]) or \fB\*(lqsocket\*(rq\fR
.if (\n[HAVE_TCTI_TABRMD]) or \fB\*(lqtabrmd\*(rq\fR
\[char46]
.TP
.if (\n[HAVE_TCTI_DEV]) \{
\fB\-d,\ \-\-device-file\fR
Specify the TPM device file for use by the device TCTI. The default is
/dev/tpm0.
\}
.if (\n[HAVE_TCTI_SOCK]) \{
.TP
\fB\-R,\ \-\-socket-address\fR
Specify the domain name or IP address used by the socket TCTI. The default
is 127.0.0.1.
.TP
\fB\-p,\ \-\-socket-port\fR
Specify the port number used by the socket TCTI. The default is 2321.
\}
.TP
\fBENVIRONMENT: TCTI\fR
This collection of environment variables that may be used to configure the
varous TCTI modules available.
The values passed through these variables can be overridden on a per-command
basis using the available command line options.
.TP
\fBTPM2TOOLS_TCTI_NAME\fR
Select the TCTI used for communication with the next component down the TSS
stack.
In most configurations this will be the TPM but it could be a simulator or
proxy.
See '\fBOPTIONS\fR' section for the names of supported TCTIs.
.TP
.if (\n[HAVE_TCTI_DEV]) \{
\fBTPM2TOOLS_DEVICE_FILE\fR
Specify the TPM device file for use by the device TCTI.
\}
.if (\n[HAVE_TCTI_SOCK]) \{
.TP
\fBTPM2TOOLS_SOCKET_ADDRESS\fR
Specify the domain name or IP address used by the socket TCTI.
.TP
\fBTPM2TOOLS_SOCKET_PORT\fR
Specify the port number used by the socket TCTI.
\}
.SH EXAMPLES
.B tpm2_nvrelease
.PP
.nf
.RS
tpm2_nvrelease -x 0x1500016 -a 0x40000001 -P passwd
tpm2_nvrelease -x 0x1500016 -a 0x40000001 -P 1a1b1c -X
.RE
.fi