xref: /src/crypto/external/cpl/tpm-tools/dist/man/man8/tpm_nvrelease.pod

=head1 NAME

tpm_nvrelease

=head1 SYNOPSIS

B<tpm_nvrelease [OPTIONS]>

=head1 DESCRIPTION

B<tpm_nvrelease> releases an NVRAM area. The user must provide the index
of the NVRAM area. If owner authentication is required then the user must
provide the owner password.

Note that some areas cannot be released since they are permanent. Others
can be release only after a reboot of the system.

The following options are supported:

=over 4

=item B<-h, --help>

Display command usage info.

=item B<-v, --version>

Display command version info.

=item B<-l, --log [none|error|info|debug]>

Set logging level.

=item B<-u, --unicode>

Use TSS UNICODE encoding for passwords to comply with applications
using TSS popup boxes

=item B<-y, --owner-well-known>

Use a secret of all zeros (20 bytes of zeros) as the owner's secret.

=item B<-o, --pwdo>

The owner password.

A password may be directly provided for example by using '--pwdo=password' or
'-opassword'. If no password is provided with this option then the program will
prompt the user for the password.


=item B<-i, --index>

The index of the NVRAM area that is to be released.
The parameter may either be a decimal number or a hexadecimal number starting with '0x'.

=back

=head1 SEE ALSO

B<tpm_nvdefine>(8), B<tpm_nvinfo>(8), B<tpm_nvread>(8), B<tpm_nvwrite>(8)

=head1 REPORTING BUGS

Report bugs to <trousers-users (a] lists.sourceforge.net>