Decision Workspace
x25519-nostd vs x25519-dalek vs trapframe
Side-by-side comparison of Rust crates
46
x25519-nostd
experimentalv0.1.0
Pure-Rust X25519 (Curve25519) ECDH implementation for no_std/bare-metal targets (avoids LLVM SIMD issues)
76
x25519-dalek
stablev2.0.1
X25519 elliptic curve Diffie-Hellman key exchange in pure-Rust, using curve25519-dalek.
61
trapframe
growingv0.10.1
Handle Trap Frame across kernel and user space on multiple ISAs.
Core Metrics
| x25519-nostd | x25519-dalek | trapframe | |
|---|---|---|---|
| Health Score | 46 | 76 | 61 |
| Total Downloads | 50 | 43.8M | 190.7K |
| 30d Downloads | 6 | 3.0M | 2.6K |
| Dependents | 0 | 5.2K | 11 |
| Releases | 1 | 32 | 22 |
| Last Updated | 95d ago | 51d ago | 73d ago |
| Age | 3m | 8y 6m | 6y 1m |
Health Breakdown
x25519-nostd
Maintenance
8
Quality
17
Community
6
Popularity
2
Documentation
13
x25519-dalek
Maintenance
15
Quality
18
Community
20
Popularity
8
Documentation
15
trapframe
Maintenance
14
Quality
17
Community
11
Popularity
6
Documentation
13
Technical Details
| x25519-nostd | x25519-dalek | trapframe | |
|---|---|---|---|
| Version | 0.1.0 | 2.0.1 | 0.10.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | BSD-3-Clause | MIT |
| Dependencies | 0 | 7 | 2 |
| Crate Size | 10KB | 88KB | 19KB |
| Features | 2 | 8 | 2 |
| Yanked % | 0.0% | 15.6% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.60 | — |
| Owners | 1 | 2 (team) | 2 |
Links
Quick Verdict
- •x25519-dalek leads with a health score of 76/100, but none of the options score above 80.
- •x25519-dalek is depended on by 5.2K crates — strongest ecosystem trust.
- •x25519-nostd, trapframe are pre-1.0 — API may change.