Provided by: tpm2-tools_2.1.0-1build1_amd64 

NAME
tpm2_takeownership - Inserting authorization values for the ownerAuth, endorsementAuth, and lockoutAuth,
if any passwd option is missing, assume NULL.
SYNOPSIS
tpm2_takeownership[ COMMON OPTIONS ] [ TCTI OPTIONS ] [
--ownerPasswd|--endorsePasswd|--lockPasswd|--oldOwnerPasswd|--oldEndorsePasswd|--oldLockPasswd|--passwdInHex|--clear|
]
Inserting authorization values for the ownerAuth, endorsementAuth, and lockoutAuth, if any passwd option
is missing, assume NULL.
DESCRIPTION
tpm2_takeownership Inserting authorization values for the ownerAuth, endorsementAuth, and lockoutAuth, if
any passwd option is missing, assume NULL.
OPTIONS
-o ,--ownerPasswd
new Owner authorization value (string, optional, default:NULL).
-e ,--endorsePasswd
new Endorsement authorization value (string, optional, default:NULL).
-l ,--lockPasswd
new Lockout authorization value (string, optional, default:NULL).
-O ,--oldOwnerPasswd
old Owner authorization (string, optional, default:NULL).
-E ,--oldEndorsePasswd
old Endorsement authorization (string, optional, default:NULL).
-L ,--oldLockPasswd
old Lockout authorization (string, optional, default:NULL).
-X ,--passwdInHex
passwords given by any options are hex format
-c ,--clear
[-L [-X]] clears the 3 authorizations values with lockout auth.
[COMMON OPTIONS ]
This collection of options are common to many programs and provide information that many users may
expect.
-h, --help
Display a manual describing the tool and its usage.
-v, --version
Display version information for this tool.
-V, --verbose
Increase the information that the tool prints to the console during its execution.
[TCTI OPTIONS ]
This collection of options are used to configure the varous TCTI modules available.
-T, --tcti
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 or
“device” or “socket” .
-d, --device-file
Specify the TPM device file for use by the device TCTI. The default is /dev/tpm0.
-R, --socket-address
Specify the domain name or IP address used by the socket TCTI. The default is 127.0.0.1.
-p, --socket-port
Specify the port number used by the socket TCTI. The default is 2321.
ENVIRONMENT: TCTI
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.
TPM2TOOLS_TCTI_NAME
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 'OPTIONS' section
for the names of supported TCTIs.
TPM2TOOLS_DEVICE_FILE
Specify the TPM device file for use by the device TCTI.
TPM2TOOLS_SOCKET_ADDRESS
Specify the domain name or IP address used by the socket TCTI.
TPM2TOOLS_SOCKET_PORT
Specify the port number used by the socket TCTI.
EXAMPLES
tpm2_takeownership
Set ownerAuth, endorsementAuth and lockoutAuth to emptyAuth:
tpm2_takeownership -c -L old
Set ownerAuth, endorsementAuth and lockoutAuth to a newAuth:
tpm2_takeownership -o new -e new -l new -O old -E old -L old
tpm2_takeownership -o 2a2b2c -e 2a2b2c -l 2a2b2c -O 1a1b1c -E 1a1b1c -L 1a1b1c -X
Intel DECEMBER 2016 tpm2_takeownership(8)