Retrieves cryptographically-secure random bytes from the OS RNG via a single getrandom(dest: ByteArray) call, delegating to native entropy sources for a minimal API and small footprint.
Kotlin Multiplatform port of the
getrandom Rust crate (version
0.2.15) — a small cross-platform library for retrieving
cryptographically-secure random bytes from the OS-provided RNG.
getrandom mirrors the upstream Rust crate's single public function:
pub fn getrandom(dest: &mut [u8]) -> Result<(), Error>
becomes Kotlin:
public fun getrandom(dest: ByteArray): Result<Unit>
Each platform's actual delegates to the most appropriate OS-provided
entropy source:
commonMain.dependencies {
implementation("io.github.kotlinmania:getrandom-kotlin:0.1.0")
}
getrandom 0.2.15rust-random/getrandomDual-licensed under the MIT license and the Apache License, Version 2.0, matching the upstream crate.
| Source set | Backend |
|---|
linuxMain | getrandom(2) syscall via platform.posix.getrandom |
mingwMain | BCryptGenRandom via Windows CNG |
appleMain | CCRandomGenerateBytes from CommonCrypto |
androidNativeMain | Bionic getrandom(2) syscall |
androidMain | java.security.SecureRandom |
jvmMain | java.security.SecureRandom |
wasmWasiMain | random_get from WASI preview1 |
jsMain | crypto.getRandomValues (browser) / crypto.randomFillSync (node) |
wasmJsMain | same as jsMain via js(...) |
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