TPM Management - tpm_sealdata

NAME¶

tpm_sealdata - seal input data to the system's TPM

SYNOPSIS¶

tpm_sealdata [OPTION]

DESCRIPTION¶

tpm_sealdata seals sensitive input data to the SRK of the system's TPM and optionally a PCR configuration. Backup your data, it is unrecoverable from this format if the SRK changes or the specified PCR configuration is unreproducable. The result can be unsealed by functions in libtpm_unseal, such as tpmUnsealFile(3).

-h, --help

Display command usage info.

-v, --version

Display command version info.

-l, --log [none|error|info|debug]

Set logging level.

-i, --infile FILE

File containing input data to seal.

-o, --outfile FILE

Output file. Default is STDOUT.

-p, --pcr NUMBER

Seal data to the current value of the specified pcr. This option can be given NUM_PCRS times. The specified pcr is in the range of 0 to NUM_PCRS-1. NUM_PCRS is at least 16 but may vary by platform.

-z, --well-known

Use TSS_WELL_KNOWN_SECRET (20 zero bytes) as the SRK password. You will not be prompted for the SRK password with this option.

-u, --unicode

Use TSS UNICODE encoding for the SRK password to comply with applications using TSS popup boxes.

 

SEE ALSO¶

tpm_takeownership(8), tpmUnsealFile(3)

REPORTING BUGS¶

Report bugs to <trousers-users@lists.sourceforge.net>