p256
v0.13.2 GrowingPure Rust implementation of the NIST P-256 (a.k.a. secp256r1, prime256v1) elliptic curve as defined in SP 800-186, with support for ECDH, ECDSA signing/verification, and general purpose curve arithmetic
Quick Verdict
- ✓Actively maintained (updated 17d ago)
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (5.6K crates depend on it)
- ✓Team maintained (2 owners)
- ✓Permissive license (Apache-2.0 OR MIT)
Security
Deep Insights
10.6M downloads in the last 30 days (351.9K/day), up 36% from the previous period.
5.6K crates depend on p256. Strong ecosystem adoption means battle-tested code and long-term stability.
The primary maintainer publishes 211 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 7+ years old, p256 hasn't reached 1.0 yet. Expect potential API changes between versions.
Notable dependents include jsonwebtoken, aws-sigv4, aws-config, signatory, snow. When high-quality crates choose p256, 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
Version Adoption
Release Timeline
Feature Flags
default =["arithmetic", "ecdsa", "pem", "std"]
