Man pages sections > man8 > tpm2_takeownership

tpm2_takeownership - Inserting authorization values for the ownerAuth,

tpm2_takeownership(8) tpm2.0-tools tpm2_takeownership(8)

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

DECEMBER 2016 Intel