crc32fast
v1.5.0 GrowingFast, SIMD-accelerated CRC32 (IEEE) checksum computation
Quick Verdict
- ✓Stable API (1.x for 7+ years)
- ✓Massive adoption (11.4K crates depend on it)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
43.9M downloads in the last 30 days (1.5M/day), up 2% from the previous period.
11.4K crates depend on crc32fast — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
crc32fast has only 1 owner despite 11.4K dependents. This is a bus-factor concern — consider the implications for long-term support.
The API has been stable (1.x) for over 7 years with 18 releases. This level of maturity means you can depend on it without worrying about breaking changes.
At 40KB, crc32fast is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include flate2, object, zip, png, image. When high-quality crates choose crc32fast, 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 crc32fast
Version Adoption
Release Timeline
Feature Flags
default =["std"]