# SAFE core
**Maintainer:** Spandan Sharma (spandan.sharma@maidsafe.net)
| [](https://crates.io/crates/safe_core) | [](https://docs.rs/safe_core) |
## Build Instructions
`safe_core` can interface conditionally against either the routing crate or a mock used for local testing.
To use it with the Mock:
```
cargo build --features "use-mock-routing"
cargo test --features "use-mock-routing"
```
To interface it with actual routing (default):
```
cargo build
cargo test
```
## License
Licensed under the General Public License (GPL), version 3 ([LICENSE](LICENSE) http://www.gnu.org/licenses/gpl-3.0.en.html).
### Linking exception
safe_core is licensed under GPLv3 with linking exception. This means you can link to and use the library from any program, proprietary or open source; paid or gratis. However, if you modify safe_core, you must distribute the source to your modified version under the terms of the GPLv3.
See the LICENSE file for more details.