Decision Workspace
crypto-tests vs aws-lc-rs vs p256
Side-by-side comparison of Rust crates
40
crypto-tests
growingv0.5.5
Test helpers for cryptographic algorithms
81
aws-lc-rs
stablev1.16.2
aws-lc-rs is a cryptographic library using AWS-LC for its cryptographic operations. This library strives to be API-compatible with the popular Rust library named ring.
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
| crypto-tests | aws-lc-rs | p256 | |
|---|---|---|---|
| Health Score | 40 | 81 | 77 |
| Total Downloads | 89.5K | 92.9M | 98.9M |
| 30d Downloads | 57 | 13.8M | 9.9M |
| Dependents | 133 | 1.9K | 5.6K |
| Releases | 21 | 49 | 53 |
| Last Updated | 3125d ago | 8d ago | 17d ago |
| Age | 9y 5m | 2y 11m | 7y 5m |
Health Breakdown
crypto-tests
Maintenance
4
Quality
11
Community
8
Popularity
6
Documentation
11
aws-lc-rs
Maintenance
21
Quality
20
Community
17
Popularity
8
Documentation
15
p256
Maintenance
18
Quality
16
Community
20
Popularity
8
Documentation
15
Technical Details
| crypto-tests | aws-lc-rs | p256 | |
|---|---|---|---|
| Version | 0.5.5 | 1.16.2 | 0.13.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT/Apache-2.0 | ISC AND (Apache-2.0 OR ISC) | Apache-2.0 OR MIT |
| Dependencies | 4 | 9 | 13 |
| Crate Size | 7KB | 225KB | 63KB |
| Features | 0 | 12 | 17 |
| Yanked % | 9.5% | 4.1% | 3.8% |
| Edition | — | 2021 | 2021 |
| MSRV | — | 1.71.0 | 1.65 |
| Owners | 1 | 4 (team) | 2 (team) |
Links
Quick Verdict
- •aws-lc-rs has the highest health score (81/100) — a strong overall choice.
- •p256 has the most downloads (98.9M), suggesting wider adoption.
- •p256 is depended on by 5.6K crates — strongest ecosystem trust.
- •⚠ crypto-tests has not been updated in over a year.
- •crypto-tests, p256 are pre-1.0 — API may change.