tpm_nvread(8) - FreeBSD Ports 15.1.quarterly Manual Pages

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tpm_nvread(8)							   tpm_nvread(8)

NAME
     tpm_nvread

SYNOPSIS
     tpm_nvread [OPTIONS]

DESCRIPTION
     tpm_nvread reads data from an NVRAM area and either displays them or writes
     them into a file. The user must provide the index of the NVRAM area. If the
     user  provided  the  number  of bytes to read then this will be the maximum
     number of bytes that will be read from the NVRAM area, otherwise the  whole
     NVRAM  area  will	be read. Some NVRAM areas only allow read sizes of zero,
     i.e., NVRAM area with index 0. Optionally an offset into the NVRAM area can
     be given where the reading of the data is to start. If the NVRAM  area  has
     permission  bits  set that require owner or NVRAM area authentication, then
     the password must be provided via the password option.

     The following options are supported:

     -h, --help
	 Display command usage info.

     -v, --version
	 Display command version info.

     -l, --log [none|error|info|debug]
	 Set logging level.

     -u, --unicode
	 Use TSS UNICODE encoding for passwords to comply with applications  us-
	 ing TSS popup boxes

     -z, --well-known
	 Use  a secret of all zeros (20 bytes of zeros) as either the NVRAM area
	 or owner secret.

     -p, --password
	 Depending on what type of authentication  is  required  for  the  NVRAM
	 area, this must either be the NVRAM area or owner password.

	 A  password  may  be  directly  provided  for example by using '--pass-
	 word=password' or '-ppassword'. If no password  is  provided  then  the
	 program will prompt the user for the password.

     -i, --index
	 The  index  of  the  NVRAM area.  The parameter may either be a decimal
	 number or a hexadecimal number starting with '0x'.

     -s, --size
	 The number of bytes to read from the NVRAM area.  The parameter may ei-
	 ther be a decimal number or a hexadecimal number starting with '0x'.

     -n, --offset (optional parameter)
	 The offset into the NVRAM area from where to start reading.  The  para-
	 meter	may  either be a decimal number or a hexadecimal number starting
	 with '0x'.

     -f, --filename (optional parameter)
	 The name of a file the read data will be written into. If  no	filename
	 is given the data will be printed to stdout.

SEE ALSO
     tpm_nvdefine(8), tpm_nvinfo(8), tpm_nvrelease(8), tpm_nvwrite(8)

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

TPM Management			   2011-07-11			   tpm_nvread(8)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | REPORTING BUGS

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