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