Decision Workspace
bignp256 vs bign256 vs p256
Side-by-side comparison of Rust crates
64
bignp256
experimentalv0.14.0-rc.8
Pure Rust implementation of the Bign P-256 (a.k.a. bign-curve256v1) elliptic curve as defined in STB 34.101.45-2013, with general purpose curve arithmetic
49
bign256
growingv0.13.1
Pure Rust implementation of the Bign P-256 (a.k.a. bign-curve256v1) elliptic curve as defined in STB 34.101.45-2013, with general purpose curve arithmetic
77
p256
growingv0.13.2
Pure 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
Core Metrics
| bignp256 | bign256 | p256 | |
|---|---|---|---|
| Health Score | 64 | 49 | 77 |
| Total Downloads | 732 | 5.6K | 98.9M |
| 30d Downloads | 27 | 2.0K | 9.9M |
| Dependents | 0 | 0 | 5.6K |
| Releases | 10 | 2 | 53 |
| Last Updated | 17d ago | 812d ago | 17d ago |
| Age | 6m | 2y 9m | 7y 5m |
Health Breakdown
bignp256
Maintenance
21
Quality
14
Community
11
Popularity
3
Documentation
15
bign256
Maintenance
4
Quality
15
Community
11
Popularity
4
Documentation
15
p256
Maintenance
18
Quality
16
Community
20
Popularity
8
Documentation
15
Technical Details
| bignp256 | bign256 | p256 | |
|---|---|---|---|
| Version | 0.14.0-rc.8 | 0.13.1 | 0.13.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 19 | 11 | 13 |
| Crate Size | 126KB | 117KB | 63KB |
| Features | 12 | 6 | 17 |
| Yanked % | 0.0% | 0.0% | 3.8% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | 1.65 | 1.65 |
| Owners | 2 (team) | 2 (team) | 2 (team) |
Links
Quick Verdict
- •p256 leads with a health score of 77/100, but none of the options score above 80.
- •p256 is depended on by 5.6K crates — strongest ecosystem trust.
- •⚠ bign256 has not been updated in over a year.