rustc/vendor/rand_hc/README.md

# rand_hc

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A cryptographically secure random number generator that uses the HC-128
algorithm.

HC-128 is a stream cipher designed by Hongjun Wu[^1], that we use as an
RNG. It is selected as one of the "stream ciphers suitable for widespread
adoption" by eSTREAM[^2].

Links:

-   [API documentation (master)](https://rust-random.github.io/rand/rand_hc)
-   [API documentation (docs.rs)](https://docs.rs/rand_hc)
-   [Changelog](https://github.com/rust-random/rand/blob/master/rand_hc/CHANGELOG.md)

[rand]: https://crates.io/crates/rand
[^1]: Hongjun Wu (2008). ["The Stream Cipher HC-128"](
      http://www.ecrypt.eu.org/stream/p3ciphers/hc/hc128_p3.pdf).
      *The eSTREAM Finalists*, LNCS 4986, pp. 39–47, Springer-Verlag.

[^2]: [eSTREAM: the ECRYPT Stream Cipher Project](
      http://www.ecrypt.eu.org/stream/)


## Crate Features

`rand_hc` is `no_std` compatible. It does not require any functionality
outside of the `core` lib, thus there are no features to configure.


# License

`rand_hc` is distributed under the terms of both the MIT license and the
Apache License (Version 2.0).

See [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT), and
[COPYRIGHT](COPYRIGHT) for details.