nanorand
is a Rust crate, meant for fast, high-level, zero-dependency random number generation.
```rs use nanorand::{RNG, WyRand};
fn main() {
let mut rng = WyRand::new();
println!("Random 64-bit number: {}", rng.generate::
RNG|nanorand type|Output Size|Cryptographically Secure|Speed|Notes|Original Implementation
:-----:|:-----:|:-----:|:-----:|:-----:|:-----:|:-----:
wyrand|nanohash::WyRand|64 bits (u64
)|🚫|4 GB/s||https://github.com/lemire/testingRNG/blob/master/source/wyrand.h
Pcg64|nanohash::Pcg64|64 bits (u64
)|🚫|1 GB/s||https://github.com/rkern/pcg64
ChaCha|nanohash::ChaCha|512 bits ([u32; 16]
)|✅|90 MB/s (ChaCha8), 40 MB/s (ChaCha20)|Currently only works in Nightly Rust, will work with Stable 1.47 (see rust#74060)|https://cr.yp.to/chacha.htmightlyl
/dev/urandom
, else /dev/random
, else system time. (#[forbid(unsafe_code)]
)BCryptGenRandom
with system-preferred RNG. (#[deny(unsafe_code)]
)std
(default) - Enables Rust std
lib features, such as seeding from OS entropy sources. wyrand
(default) - Enable the "wyrand" RNG.pcg64
(default) - Enable the "Pcg64" RNG.chacha
(Nightly-only) - Enable the "ChaCha" RNG.The zlib/libpng License
Copyright (c) 2020
aspen
This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
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Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
This notice may not be removed or altered from any source distribution.