ff
v0.13.1 GrowingLibrary for building and interfacing with finite fields
Quick Verdict
- !Pre-1.0: API may have breaking changes
- โMassive adoption (2.7K crates depend on it)
- โPermissive license (MIT/Apache-2.0)
Security
Deep Insights
12.5M downloads in the last 30 days (416.5K/day), up 35% from the previous period.
2.7K crates depend on ff. Strong ecosystem adoption means battle-tested code and long-term stability.
Despite being 8+ years old, ff hasn't reached 1.0 yet. Expect potential API changes between versions.
At 18KB, ff is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include curve25519-dalek, group, elliptic-curve, pasta_curves, bls12_381. When high-quality crates choose ff, 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 =["bits", "std"]