Decision Workspace
asn1-rs vs der-parser vs synta
Side-by-side comparison of Rust crates
61
asn1-rs
growingv0.7.2
Parser/encoder for ASN.1 BER/DER data
58
der-parser
growingv10.0.0
Parser/encoder for ASN.1 BER/DER data
57
synta
experimentalv0.2.6
ASN.1 parser, decoder, and encoder library with DER/BER support and C FFI
Core Metrics
| asn1-rs | der-parser | synta | |
|---|---|---|---|
| Health Score | 61 | 58 | 57 |
| Total Downloads | 123.5M | 127.8M | 2.3K |
| 30d Downloads | 6.8M | 6.6M | 0 |
| Dependents | 388 | 709 | 153 |
| Releases | 18 | 60 | 18 |
| Last Updated | 56d ago | 538d ago | 33d ago |
| Age | 5y | 9y 4m | 3m |
Health Breakdown
asn1-rs
Maintenance
15
Quality
15
Community
12
Popularity
8
Documentation
11
der-parser
Maintenance
8
Quality
18
Community
13
Popularity
8
Documentation
11
synta
Maintenance
18
Quality
13
Community
12
Popularity
4
Documentation
10
Technical Details
| asn1-rs | der-parser | synta | |
|---|---|---|---|
| Version | 0.7.2 | 10.0.0 | 0.2.6 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 16 | 11 | 3 |
| Crate Size | 93KB | 66KB | 5.0MB |
| Features | 8 | 6 | 6 |
| Yanked % | 0.0% | 5.0% | 0.0% |
| Edition | 2018 | 2018 | 2021 |
| MSRV | 1.68 | 1.63 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •asn1-rs leads with a health score of 61/100, but none of the options score above 80.
- •der-parser has the most downloads (127.8M), suggesting wider adoption.
- •der-parser is depended on by 709 crates — strongest ecosystem trust.
- •⚠ der-parser has not been updated in over a year.
- •asn1-rs, synta are pre-1.0 — API may change.