Decision Workspace
qos_p256 vs uselesskey-ecdsa vs yubikey
Side-by-side comparison of Rust crates
61
qos_p256
experimentalv0.8.0
Signing and encryption utilities for P-256 keys
56
uselesskey-ecdsa
experimentalv0.9.1
ECDSA P-256/P-384 key fixtures (PKCS#8/SPKI, PEM/DER) for tests.
54
yubikey
growingv0.8.0
Pure Rust cross-platform host-side driver for YubiKey devices from Yubico with support for hardware-backed public-key decryption and digital signatures using the Personal Identity Verification (PIV) application. Supports RSA (1024/2048/3072/4096) or ECC (NIST P-256/P-384) algorithms e.g, PKCS#1v1.5, ECDSA
Core Metrics
| qos_p256 | uselesskey-ecdsa | yubikey | |
|---|---|---|---|
| Health Score | 61 | 56 | 54 |
| Total Downloads | 47.3K | 738 | 388.0K |
| 30d Downloads | 21.3K | 0 | 18.5K |
| Dependents | 22 | 160 | 122 |
| Releases | 5 | 12 | 15 |
| Last Updated | 6d ago | 8d ago | 53d ago |
| Age | 2m | 2m | 9y 9m |
Health Breakdown
qos_p256
Maintenance
16
Quality
13
Community
14
Popularity
6
Documentation
12
uselesskey-ecdsa
Maintenance
12
Quality
14
Community
12
Popularity
3
Documentation
15
yubikey
Maintenance
13
Quality
6
Community
16
Popularity
7
Documentation
12
Technical Details
| qos_p256 | uselesskey-ecdsa | yubikey | |
|---|---|---|---|
| Version | 0.8.0 | 0.9.1 | 0.8.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | AGPL-3.0-only | MIT OR Apache-2.0 | BSD-2-Clause |
| Dependencies | 9 | 13 | 28 |
| Crate Size | 17KB | 31KB | 94KB |
| Features | 1 | 2 | 1 |
| Yanked % | 0.0% | 0.0% | 53.3% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.94 | 1.95 | 1.65 |
| Owners | 2 (team) | 1 | 3 |
Links
Quick Verdict
- •qos_p256 leads with a health score of 61/100, but none of the options score above 80.
- •yubikey has the most downloads (388.0K), suggesting wider adoption.
- •uselesskey-ecdsa is depended on by 160 crates — strongest ecosystem trust.