# Trezor Firmware ![img](https://repository-images.githubusercontent.com/180590388/968e6880-6538-11e9-9da6-4aef78157e94) ## Repository Structure * **[`ci`](ci/)**: [Gitlab CI](https://gitlab.com/satoshilabs/trezor/trezor-firmware) configuration files * **[`common/defs`](common/defs/)**: JSON coin definitions and support tables * **[`common/protob`](common/protob/)**: Common protobuf definitions for the Trezor protocol * **[`common/tools`](common/tools/)**: Tools for managing coin definitions and related data * **[`core`](core/)**: Trezor Core, firmware implementation for Trezor T * **[`crypto`](crypto/)**: Stand-alone cryptography library used by both Trezor Core and the Trezor One firmware * **[`docs`](docs/)**: Assorted documentation * **[`legacy`](legacy/)**: Trezor One firmware implementation * **[`python`](python/)**: Python [client library](https://pypi.org/project/trezor) and the `trezorctl` command * **[`storage`](storage/)**: NORCOW storage implementation used by both Trezor Core and the Trezor One firmware * **[`tests`](tests/)**: Firmware unit test suite * **[`tools`](tools/)**: Miscellaneous build and helper scripts * **[`vendor`](vendor/)**: Submodules for external dependencies ## Contribute See [CONTRIBUTING.md](docs/misc/contributing.md). Using [Conventional Commits](COMMITS.md) is strongly recommended and might be enforced in future. Also please have a look at the docs, either in the `docs` folder or at [docs.trezor.io](https://docs.trezor.io) before contributing. The [misc](docs/misc/index.md) chapter should be read in particular because it contains some useful assorted knowledge. ## Security vulnerability disclosure Please report suspected security vulnerabilities in private to [security@satoshilabs.com](mailto:security@satoshilabs.com), also see [the disclosure section on the Trezor.io website](https://trezor.io/security/). Please do NOT create publicly viewable issues for suspected security vulnerabilities. ## Documentation See the `docs` folder or visit [docs.trezor.io](https://docs.trezor.io).