Bug: 160625211

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  1. 5617548 Update TEST_MAPPING by Jeff Vander Stoep · 7 days ago master
  2. 39ff287 Update TEST_MAPPING by David Brazdil · 2 weeks ago
  3. f45b2df Make crate vendor available am: e35d4848d1 am: af49b9aac8 am: 22124cc597 am: 436076268d by Josh Wu · 6 months ago main-16k-with-phones
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rand_chacha

Test Status Latest version Book API API Minimum rustc version

A cryptographically secure random number generator that uses the ChaCha algorithm.

ChaCha is a stream cipher designed by Daniel J. Bernstein[^1], that we use as an RNG. It is an improved variant of the Salsa20 cipher family, which was selected as one of the “stream ciphers suitable for widespread adoption” by eSTREAM[^2].

The RNGs provided by this crate are implemented via the fast stream ciphers of the c2-chacha crate.

Links:

[^1]: D. J. Bernstein, ChaCha, a variant of Salsa20

[^2]: eSTREAM: the ECRYPT Stream Cipher Project

Crate Features

rand_chacha is no_std compatible when disabling default features; the std feature can be explicitly required to re-enable std support. Using std allows detection of CPU features and thus better optimisation.

License

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

See LICENSE-APACHE and LICENSE-MIT, and COPYRIGHT for details.