Man pages sections > man8 > tpm2_unseal

tpm2_unseal - returns the data in a loaded Sealed Data Object.

tpm2_unseal(8) tpm2.0-tools tpm2_unseal(8)

NAME

tpm2_unseal - returns the data in a loaded Sealed Data Object.

SYNOPSIS

tpm2_unseal[ COMMON OPTIONS ] [ TCTI OPTIONS ] [ --item|--itemContext| --pwdi|--outfile|--passwdInHex| ]
returns the data in a loaded Sealed Data Object.

DESCRIPTION

tpm2_unseal returns the data in a loaded Sealed Data Object.

OPTIONS

-H ,--item
item handle, handle of a loaded data object
-c ,--itemContext
filename for item context
-P ,--pwdi
item handle password, optional
-o ,--outfile
Output file name, containing the unsealed data
-X ,--passwdInHex
passwords given by any options are hex format.
[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_unseal
tpm2_unseal -H 0x81010001 -P abc123 -o <outPutFileName>
tpm2_unseal -c item.context -P abc123 -o <outPutFileName>
tpm2_unseal -H 0x81010001 -P 123abc -X -o <outPutFileName>

DECEMBER 2016 Intel