rand_chacha
v0.10.0 GrowingChaCha random number generator
Quick Verdict
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (22.0K crates depend on it)
- ✓Team maintained (2 owners)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
85.4M downloads in the last 30 days (2.8M/day), up 23% from the previous period.
22.0K crates depend on rand_chacha — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.
Despite being 7+ years old, rand_chacha hasn't reached 1.0 yet. Expect potential API changes between versions.
At 19KB, rand_chacha is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include rsa, num-bigint-dig, proptest, smawk, ratatui. When high-quality crates choose rand_chacha, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on rand_chacha
Version Adoption
Release Timeline
Feature Flags
default =["std"]
