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>