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45 lines
1.8 KiB
Markdown
45 lines
1.8 KiB
Markdown
# rand_chacha
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[](https://travis-ci.org/rust-random/rand)
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[](https://ci.appveyor.com/project/rust-random/rand)
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[](https://crates.io/crates/rand_chacha)
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[](https://docs.rs/rand_chacha)
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[](https://github.com/rust-random/rand#rust-version-requirements)
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[](https://github.com/rust-random/rand/tree/master/rand_chacha#license)
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A cryptographically secure random number generator that uses the ChaCha
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algorithm.
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ChaCha is a stream cipher designed by Daniel J. Bernstein[^1], that we use
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as an RNG. It is an improved variant of the Salsa20 cipher family, which was
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selected as one of the "stream ciphers suitable for widespread adoption" by
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eSTREAM[^2].
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Documentation:
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[master branch](https://rust-random.github.io/rand/rand_chacha/index.html),
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[by release](https://docs.rs/rand_chacha)
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[Changelog](CHANGELOG.md)
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[rand]: https://crates.io/crates/rand
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[^1]: D. J. Bernstein, [*ChaCha, a variant of Salsa20*](
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https://cr.yp.to/chacha.html)
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[^2]: [eSTREAM: the ECRYPT Stream Cipher Project](
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http://www.ecrypt.eu.org/stream/)
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## Crate Features
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`rand_chacha` is `no_std` compatible. It does not require any functionality
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outside of the `core` lib, thus there are no features to configure.
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# License
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`rand_chacha` is distributed under the terms of both the MIT license and the
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Apache License (Version 2.0).
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See [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT), and
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[COPYRIGHT](COPYRIGHT) for details.
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