Decision Workspace
opaque vs spake2 vs srp
Side-by-side comparison of Rust crates
38
opaque
growingv0.0.0
OPAQUE Password-Authenticated Key Exchange protocol
63
spake2
growingv0.4.0
The SPAKE2 password-authenticated key-exchange algorithm.
62
srp
growingv0.6.0
Pure Rust implementation of the Secure Remote Password (SRP) password-authenticated key exchange (PAKE) algorithm as described in RFC5054. Built on `crypto-bigint`, a mathematical library designed with constant-time algorithms.
Core Metrics
| opaque | spake2 | srp | |
|---|---|---|---|
| Health Score | 38 | 63 | 62 |
| Total Downloads | 2.0K | 763.7K | 51.1K |
| 30d Downloads | 3 | 66.9K | 5.7K |
| Dependents | 0 | 67 | 52 |
| Releases | 1 | 16 | 20 |
| Last Updated | 2715d ago | 61d ago | 61d ago |
| Age | 7y 5m | 8y 8m | 8y 7m |
Health Breakdown
opaque
Maintenance
1
Quality
16
Community
6
Popularity
4
Documentation
11
spake2
Maintenance
12
Quality
13
Community
16
Popularity
7
Documentation
15
srp
Maintenance
12
Quality
13
Community
16
Popularity
6
Documentation
15
Technical Details
| opaque | spake2 | srp | |
|---|---|---|---|
| Version | 0.0.0 | 0.4.0 | 0.6.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 7 | 10 |
| Crate Size | 765B | 19KB | 17KB |
| Features | 0 | 3 | 0 |
| Yanked % | 0.0% | 6.3% | 0.0% |
| Edition | — | 2021 | 2021 |
| MSRV | — | 1.60 | 1.56 |
| Owners | 1 | 2 (team) | 2 (team) |
Links
Quick Verdict
- •spake2 leads with a health score of 63/100, but none of the options score above 80.
- •⚠ opaque has not been updated in over a year.