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tpm_sealdata(1)		    General Commands Manual	       tpm_sealdata(1)

			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>

TPM Management			  2005-08-10		       tpm_sealdata(1)

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<https://man.freebsd.org/cgi/man.cgi?query=tpm_sealdata&sektion=1&manpath=FreeBSD+Ports+15.0>

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