% tpm2_getcap(1) tpm2-tools | General Commands Manual

NAME

tpm2_getcap(1) - Display TPM capabilities in a human readable form.

SYNOPSIS

tpm2_getcap [OPTIONS] [CAPABILITY]

DESCRIPTION

tpm2_getcap(1) - Query the TPM for it's capabilities / properties and print them to the console. It takes a string form of the capability to query as an argument to the tool. Currently supported capability groups are:

algorithms: Display data about supported algorithms.
commands: Display data about supported commands.
pcrs: Display currently allocated PCRs.
properties-fixed: Display fixed TPM properties.
properties-variable: Display variable TPM properties.
ecc-curves: Display data about elliptic curves.
handles-transient: Display handles about transient objects.
handles-persistent: Display handles about persistent objects.
handles-permanent: Display handles about permanent objects.
handles-pcr: Display handles about PCRs.
handles-nv-index: Display handles about NV Indices.
handles-loaded-session: Display handles about both loaded HMAC and policy sessions.
handles-saved-session: Display handles about saved sessions.

OPTIONS

-l, --list:

List known supported capability names. These names can be supplied as the argument to the -c option. Output is in a YAML compliant list to stdout.

For example:
```
  - algorithms
  - commands
  - properties-fixed
  ...
```

common options

common tcti options