Hi,
In my project which scripts some uses of tpm-tools, I found it useful to add a
couple of options to tpm_takeownership, tpm_nvdefine, tpm_nvread, tpm_nvwrite,
and tpm_nvrelease:
-x to interpret the passwords on the command line as hex representations and
hex-decode the passwords before using
-t to interpret the password arguments on the command line as environment
variable names and read the passwords from those variables
They can be used together to interpret a hex password from an environment
variable.
Also for tpm_takeownership I added two options to allow setting the password
non-interactively:
-o sets the owner password
-s sets the SRK password
For example, if you run tpm_takeownership it looks like this:
# tpm_takeownership
Enter owner password:
Confirm password:
Enter SRK password:
Confirm password:
But with the options it can look like this:
# export TPM_PASSWORD=ffffffffffffffffffffffffffffffffffffffff
# tpm_takeownership -x -t -oTPM_PASSWORD -z
Which doesn't prompt, doesn't expose the password on the process list, and
allows you to use any arbitrary 20-byte sequence as the password.
So I would like to submit a patch for this.
Is it ok to just create a feature request ticket and attach my patch to it for
the 5 tools I mentioned?
If it's accepted I can add the -x and -t options to other commands and submit
those as well.
Jonathan
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