A Rust library for retrieving random data from (operating) system sources. It is assumed that the system always provides high-quality cryptographically secure random data, ideally backed by hardware entropy sources. This crate derives its name from Linux‘s getrandom function, but is cross-platform, roughly supporting the same set of platforms as Rust’s std lib.
This is a low-level API. Most users should prefer using high-level random-number library like rand.
Add this to your Cargo.toml:
[dependencies] getrandom = "0.2"
Then invoke the getrandom function:
fn get_random_buf() -> Result<[u8; 32], getrandom::Error> { let mut buf = [0u8; 32]; getrandom::getrandom(&mut buf)?; Ok(buf) }
For more information about supported targets, entropy sources, no_std targets, crate features, WASM support and Custom RNGs see the getrandom documentation and getrandom::Error documentation.
This crate requires Rust 1.36.0 or later.
The getrandom library is distributed under either of
at your option.
