04-23-2002
Some clarification is in order from you...
Is this only for your personal passwords? And not for ALL users on all boxes?
And what do you mean by "synchronize" passwords. Are you using the SAME password on every box? That is not a very good standard for security... If your company is hot for security of passwords, they need to look into a product called SecurID. It is a one-time password with algorithm that is good for 4 years per user.
Also, if you have logons for all 15+ boxes, why can't you login to each and change them manully? I know that manual is not always the easiest way, but it may be the best way.
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LEARN ABOUT CENTOS
tpm_changeownerauth
tpm_changeownerauth(8) System Manager's Manual tpm_changeownerauth(8)
TPM Management - tpm_changeownerauth
NAME
tpm_changeownerauth - change the authorization data associated with the owner or SRK
SYNOPSIS
tpm_changeownerauth [OPTION]
DESCRIPTION
tpm_changeownerauth allows for changing the authorization data for the TPM owner or the TPM's Storage Root Key (via the TPM_ChangeAuthOwner
API). This operation prompts for current password, followed by the new password and a confirmation of the new password. The --owner option
changes the TPM owner password and --srk option changes the TPM's SRK password. The --well-known option is used when SRK or owner passwords
need to be changed and current owner password is a secret of zeros, --set-well-known option changes current password to a secret of zeros,
both options do not work by themselves, they must be used with --owner and --srk options to indicate which of these passwords will be
changed.
-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 using TSS popup boxes
-o, --owner
Change the authorization data for the TPM owner.
-s, --srk
Change the authorization data for the TPM's Storage Root Key.
-g, --original_password_unicode
Use TSS UNICODE encoding for original password to comply with applications using TSS popup boxes
-n, --new_password_unicode
Use TSS UNICODE encoding for new password to comply with applications using TSS popup boxes
-z, --well-known
Change password to a new one when current owner password is a secret of all zeros (20 bytes of zeros). It must be specified which
password (owner, SRK or both) to change
-r, --set-well-known
Change password to a secret of all zeros (20 bytes of zeros). It must be specified which password (owner, SRK or both) to change
SEE ALSO
tpm_version(1), tpm_takeownership(8), tcsd(8)
REPORTING BUGS
Report bugs to <trousers-users@lists.sourceforge.net>
TPM Management 2005-05-06 tpm_changeownerauth(8)