xref: /netbsd-src/crypto/external/cpl/tpm-tools/dist/man/man8/tpm_nvrelease.pod (revision 782713e6c126f1866c6d9cfdee4ceb49483b5828)
1=head1 NAME
2
3tpm_nvrelease
4
5=head1 SYNOPSIS
6
7B<tpm_nvrelease [OPTIONS]>
8
9=head1 DESCRIPTION
10
11B<tpm_nvrelease> releases an NVRAM area. The user must provide the index
12of the NVRAM area. If owner authentication is required then the user must
13provide the owner password.
14
15Note that some areas cannot be released since they are permanent. Others
16can be release only after a reboot of the system.
17
18The following options are supported:
19
20=over 4
21
22=item B<-h, --help>
23
24Display command usage info.
25
26=item B<-v, --version>
27
28Display command version info.
29
30=item B<-l, --log [none|error|info|debug]>
31
32Set logging level.
33
34=item B<-u, --unicode>
35
36Use TSS UNICODE encoding for passwords to comply with applications
37using TSS popup boxes
38
39=item B<-y, --owner-well-known>
40
41Use a secret of all zeros (20 bytes of zeros) as the owner's secret.
42
43=item B<-o, --pwdo>
44
45The owner password.
46
47A password may be directly provided for example by using '--pwdo=password' or
48'-opassword'. If no password is provided with this option then the program will
49prompt the user for the password.
50
51
52=item B<-i, --index>
53
54The index of the NVRAM area that is to be released.
55The parameter may either be a decimal number or a hexadecimal number starting with '0x'.
56
57=back
58
59=head1 SEE ALSO
60
61B<tpm_nvdefine>(8), B<tpm_nvinfo>(8), B<tpm_nvread>(8), B<tpm_nvwrite>(8)
62
63=head1 REPORTING BUGS
64
65Report bugs to <trousers-users@lists.sourceforge.net>
66