Decision Workspace
p256 vs p256_flow vs p384
Side-by-side comparison of Rust crates
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
46
p256_flow
growingv1.0.0
Flow-Rust-SDK Version of p256 Pure Rust implementation of the NIST P-256 (a.k.a. secp256r1, prime256v1) elliptic curve with support for ECDH, ECDSA signing/verification, and general purpose curve arithmetic Heavily modified for signing Flow blockchain transactions
75
p384
growingv0.13.1
Pure Rust implementation of the NIST P-384 (a.k.a. secp384r1) elliptic curve as defined in SP 800-186 with support for ECDH, ECDSA signing/verification, and general purpose curve arithmetic support.
Core Metrics
| p256 | p256_flow | p384 | |
|---|---|---|---|
| Health Score | 77 | 46 | 75 |
| Total Downloads | 98.9M | 4.2K | 44.6M |
| 30d Downloads | 10.2M | 21 | 4.4M |
| Dependents | 5.6K | 26 | 2.0K |
| Releases | 53 | 1 | 44 |
| Last Updated | 17d ago | 1647d ago | 17d ago |
| Age | 7y 5m | 4y 6m | 7y 5m |
Health Breakdown
p256
Maintenance
18
Quality
16
Community
20
Popularity
8
Documentation
15
p256_flow
Maintenance
1
Quality
22
Community
10
Popularity
4
Documentation
9
p384
Maintenance
17
Quality
15
Community
20
Popularity
8
Documentation
15
Technical Details
| p256 | p256_flow | p384 | |
|---|---|---|---|
| Version | 0.13.2 | 1.0.0 | 0.13.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 13 | 9 | 12 |
| Crate Size | 63KB | 57KB | 193KB |
| Features | 17 | 12 | 17 |
| Yanked % | 3.8% | 0.0% | 4.5% |
| Edition | 2021 | 2018 | 2021 |
| MSRV | 1.65 | — | 1.65 |
| Owners | 2 (team) | 1 | 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.
- •⚠ p256_flow has not been updated in over a year.
- •p256, p384 are pre-1.0 — API may change.