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% tpm2(1) tpm2-tools | General Commands Manual
# NAME
**tpm2**(1) - A single small executable that combines the various tpm2-tools
much like a BusyBox that provides a fairly complete environment for any small or
embedded system.
# SYNOPSIS
**tpm2** [*OPTIONS*] [*ARGUMENTS*]
# DESCRIPTION
**tpm2**(1) - To ease installation of tpm2-tools in initrd or embedded systems
where size-optimization and limited resources are important, it is convenient to
have a single executable that can dispatch the various TPM2 functionalities
specified by the argument which is one of the available tool names.
The options and arguments that follow are either the **common options** or those
specific to the **tool name**.
It is important to note that individual tools with prefix **tpm2_** can still be
invoked, however, they are now soft-linked to this **tpm2** executable. And so
unlike BusyBox, full functionality of the individual tools is available in the
executable. For example: **tpm2_getrandom 8** can alternatively be specified as
**tpm2 getrandom 8**.
# ARGUMENTS
List of possible tool names. NOTE: Specify only one of these. Look at examples.
**certifyX509certutil**
**checkquote**
**eventlog**
**print**
**rc_decode**
**activatecredential**
**certify**
**changeauth**
**changeeps**
**changepps**
**clear**
**clearcontrol**
**clockrateadjust**
**create**
**createak**
**createek**
**createpolicy**
**setprimarypolicy**
**createprimary**
**dictionarylockout**
**duplicate**
**getcap**
**gettestresult**
**encryptdecrypt**
**evictcontrol**
**flushcontext**
**getekcertificate**
**getrandom**
**gettime**
**hash**
**hierarchycontrol**
**hmac**
**import**
**incrementalselftest**
**load**
**loadexternal**
**makecredential**
**nvdefine**
**nvextend**
**nvincrement**
**nvreadpublic**
**nvread**
**nvreadlock**
**nvundefine**
**nvwrite**
**nvwritelock**
**nvsetbits**
**pcrallocate**
**pcrevent**
**pcrextend**
**pcrread**
**pcrreset**
**policypcr**
**policyauthorize**
**policyauthorizenv**
**policynv**
**policycountertimer**
**policyor**
**policynamehash**
**policytemplate**
**policycphash**
**policypassword**
**policysigned**
**policyticket**
**policyauthvalue**
**policysecret**
**policyrestart**
**policycommandcode**
**policynvwritten**
**policyduplicationselect**
**policylocality**
**quote**
**readclock**
**readpublic**
**rsadecrypt**
**rsaencrypt**
**send**
**selftest**
**setclock**
**shutdown**
**sign**
**certifycreation**
**nvcertify**
**startauthsession**
**startup**
**stirrandom**
**testparms**
**unseal**
**verifysignature**
**setcommandauditstatus**
**getcommandauditdigest**
**getsessionauditdigest**
**geteccparameters**
**ecephemeral**
**commit**
**ecdhkeygen**
**ecdhzgen**
**zgen2phase**
## References
[common options](common/options.md) collection of common options that provide
information many users may expect.
[common tcti options](common/tcti.md) collection of options used to configure
the various known TCTI modules.
# EXAMPLES
## Get 8 rand bytes from the TPM
```bash
tpm2 getrandom 8 | xxd -p
```
## Send a TPM Startup Command with flags TPM2\_SU\_CLEAR
```bash
tpm2 startup -c
```
[returns](common/returns.md)
[footer](common/footer.md)
|