md5

8.1M downloads in the last 30 days (271.5K/day), up 22% from the previous period.

11.3K crates depend on md5 — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

The primary maintainer publishes 99 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Despite being 10+ years old, md5 hasn't reached 1.0 yet. Expect potential API changes between versions.

md5 has no external dependencies — minimal supply chain risk and fast compile times.

At 7KB, md5 is lightweight. Small crate size correlates with focused, well-scoped functionality.

Notable dependents include zookeeper-client, azure_storage_blobs, google-cloud-storage, rust-s3, stun_codec. When high-quality crates choose md5, it's a strong quality signal.