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Decision Workspace

p521

Side-by-side comparison of Rust crates

73
p521
growingv0.14.0

Pure Rust implementation of the NIST P-521 (a.k.a. secp521r1) elliptic curve as defined in SP 800-186, with support for ECDH, ECDSA signing/verification, and general purpose curve arithmetic

Core Metrics

p521
Health Score73
Total Downloads23.0M
30d Downloads1.4M
Dependents1.2K
Releases33
Last Updated5d ago
Age7y 9m

Health Breakdown

p521
Maintenance
18
Quality
13
Community
19
Popularity
8
Documentation
15

Technical Details

p521
Version0.14.0
Stable (≥1.0)✗ No
LicenseApache-2.0 OR MIT
Dependencies15
Crate Size118KB
Features17
Yanked %9.1%
Edition2024
MSRV1.85
Owners2 (team)

Links

p521 detail →GitHub ↗Docs ↗crates.io ↗

Quick Verdict

  • •p521 leads with a health score of 73/100, but none of the options score above 80.
  • •p521 is depended on by 1.2K crates — strongest ecosystem trust.