hkdf
v0.13.0 GrowingHMAC-based Extract-and-Expand Key Derivation Function (HKDF)
Quick Verdict
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (8.8K crates depend on it)
- ✓Team maintained (2 owners)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
17.5M downloads in the last 30 days (584.3K/day), up 1% from the previous period.
8.8K crates depend on hkdf. Strong ecosystem adoption means battle-tested code and long-term stability.
The primary maintainer publishes 216 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 11+ years old, hkdf hasn't reached 1.0 yet. Expect potential API changes between versions.
Notable dependents include cookie, elliptic-curve, sqlx-postgres, libp2p-identity, secret-service. When high-quality crates choose hkdf, 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
