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<!---
Copyright (C) 2019 Robin Krahl <robin.krahl@ireas.org>
SPDX-License-Identifier: CC0-1.0
-->
# nitrokey-rs
A libnitrokey wrapper for Rust providing access to Nitrokey devices.
[Documentation][]
## Compatibility
The required [`libnitrokey`][] version is built from source. The host system
must provide `libhidapi-libusb0` (Linux) or `libhidapi` (non-Linux) in the
default library search path. Depending on your system, you might also have to
install the [Nitrokey udev rules][].
Currently, this crate provides access to the common features of the Nitrokey
Pro and the Nitrokey Storage: general configuration, OTP generation and the
password safe. Basic support for the secure storage on the Nitrokey Storage is
available but still under development.
### Unsupported Functions
The following functions provided by `libnitrokey` are deliberately not
supported by `nitrokey-rs`:
- `NK_connect_with_ID`, `NK_list_devices_by_cpuID`. These functions can be
replaced by calls to `NK_connect_with_path` and `NK_list_devices`, which
also have a cleaner API.
- `NK_enable_firmware_update_pro`, `NK_change_firmware_password_pro`. These
functions execute commands that are not yet supported by the Nitrokey Pro
firmware.
- `NK_get_device_model`. We know which model we connected to, so we can
provide this information without calling `libnitrokey`.
- `NK_is_AES_supported`. This function is no longer needed for Nitrokey
devices with a recent firmware version.
- `NK_send_startup`. Currently, this function is redundant to `NK_get_time`.
- `NK_set_unencrypted_volume_rorw_pin_type_user`,
`NK_set_unencrypted_read_only`, `NK_set_unencrypted_read_write`. These
functions are only relevant for older firmware versions (pre-v0.51). As the
Nitrokey Storage firmware can be updated easily, we do not support these
outdated versions.
- `NK_totp_get_time`, `NK_status`. These functions are deprecated.
- `NK_read_HOTP_slot`. This function is only available for HOTP slots, not for
TOTP. We will support it once both types are supported by `libnitrokey`.
- All `*_as_string` functions that return string representations of data
returned by other functions.
## Tests
This crate has tests for different scenarios: Some tests require that no
Nitrokey device is connected, others require a Nitrokey Storage or a Nitrokey
Pro. We use the [`nitrokey-test`][] crate to select the test cases. You can
just run `cargo test` to auto-detect connected Nitrokey devices and to run the
appropriate tests. If you want to manually select the tests, set the
`NITROKEY_TEST_GROUP` environment variable to `nodev` (no device connected),
`pro` (Nitrokey Pro connected) or `storage` (Nitrokey Storage connected).
Note that the tests assume that the device’s passwords are the factory defaults
(admin PIN `12345678`, user PIN `123456`, update password `12345678`) and that
an AES key has been built. Some tests will overwrite the data stored on the
Nitrokey device or perform a factory reset. Never execute the tests if you
don’t want to destroy all data on any connected Nitrokey device!
The test suite contains some test that take very long to execute, for example
filling the SD card of a Nitrokey Storage with random data. These tests are
ignored per default. Use `cargo test -- --ignored` to execute the tests.
## Acknowledgments
Thanks to Nitrokey UG for providing two Nitrokey devices to support the
development of this crate. Thanks to Daniel Mueller for contributions to
`nitrokey-rs` and for the `nitrokey-test` crate.
## Minimum Supported Rust Version
This crate supports Rust 1.34.2 or later.
## Contact
For bug reports, patches, feature requests or other messages, please send a
mail to [nitrokey-rs-dev@ireas.org][].
## License
This project is licensed under the [MIT][] license. The documentation and
configuration files contained in this repository are licensed under the
[Creative Commons Zero][CC0] license. You can find a copy of the license texts
in the `LICENSES` directory. `libnitrokey` is licensed under the [LGPL-3.0][].
`nitrokey-rs` complies with [version 3.0 of the REUSE specification][reuse].
[Documentation]: https://docs.rs/nitrokey
[Nitrokey udev rules]: https://www.nitrokey.com/documentation/frequently-asked-questions-faq#openpgp-card-not-available
[`libnitrokey`]: https://github.com/nitrokey/libnitrokey
[`nitrokey-test`]: https://github.com/d-e-s-o/nitrokey-test
[nitrokey-rs-dev@ireas.org]: mailto:nitrokey-rs-dev@ireas.org
[MIT]: https://opensource.org/licenses/MIT
[CC0]: https://creativecommons.org/publicdomain/zero/1.0/
[LGPL-3.0]: https://opensource.org/licenses/lgpl-3.0.html
[reuse]: https://reuse.software/practices/3.0/
|
