Decision Workspace
chacha20 vs ctr vs cfb-mode
Side-by-side comparison of Rust crates
67
chacha20
growingv0.10.0
The ChaCha20 stream cipher (RFC 8439) implemented in pure Rust using traits from the RustCrypto `cipher` crate, with optional architecture-specific hardware acceleration (AVX2, SSE2). Additionally provides the ChaCha8, ChaCha12, XChaCha20, XChaCha12 and XChaCha8 stream ciphers, and also optional rand_core-compatible RNGs based on those ciphers.
77
ctr
growingv0.10.1
CTR block modes of operation
73
cfb-mode
growingv0.9.1
Cipher Feedback (CFB) block cipher mode of operation
Core Metrics
| chacha20 | ctr | cfb-mode | |
|---|---|---|---|
| Health Score | 67 | 77 | 73 |
| Total Downloads | 89.0M | 141.2M | 13.5M |
| 30d Downloads | 16.1M | 10.7M | 545.8K |
| Dependents | 1.6K | 2.3K | 243 |
| Releases | 43 | 28 | 18 |
| Last Updated | 107d ago | 5d ago | 5d ago |
| Age | 9y 7m | 7y 10m | 7y 7m |
Health Breakdown
chacha20
Maintenance
12
Quality
12
Community
20
Popularity
8
Documentation
15
ctr
Maintenance
18
Quality
16
Community
20
Popularity
8
Documentation
15
cfb-mode
Maintenance
16
Quality
16
Community
18
Popularity
8
Documentation
15
Technical Details
| chacha20 | ctr | cfb-mode | |
|---|---|---|---|
| Version | 0.10.0 | 0.10.1 | 0.9.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 7 | 6 | 5 |
| Crate Size | 39KB | 20KB | 28KB |
| Features | 4 | 3 | 3 |
| Yanked % | 14.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.85 | 1.85 | 1.85 |
| Owners | 2 (team) | 2 (team) | 2 (team) |
Links
Quick Verdict
- •ctr leads with a health score of 77/100, but none of the options score above 80.
- •ctr is depended on by 2.3K crates — strongest ecosystem trust.