# Safe TSS for TPM2
The main `tpm2` crate is the TSS (and OS-specific bindings to the TPM).
The `tpm2_simulator` crate contains an abstraction around Microsoft's
[TPM2 simulator](https://github.com/microsoft/ms-tpm-20-ref).
## Legal
Copyright 2019 Google Inc. under the
[Apache 2.0 License](https://www.apache.org/licenses/LICENSE-2.0). IBM simulator
code is licensed under a [3-clause BSD license](https://opensource.org/licenses/BSD-3-Clause) and the [TCG software license](https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-1-Architecture-01.38.pdf). See the `LICENSE` file for more information.
This is not an official Google product.