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signature

v3.0.0 Stable

Traits for cryptographic signature algorithms (e.g. ECDSA, Ed25519)

Apache-2.0 OR MIT Edition 2024 MSRV 1.85
CryptographyNo standard library #crypto#ecdsa#ed25519#signature#signing

Quick Verdict

  • Actively maintained (updated 72d ago)
  • Stable API (3.x for 7+ years)
  • Massive adoption (5.0K crates depend on it)
  • Team maintained (3 owners)
  • Tiny footprint (15KB, 2 deps)

Security

Checking security advisories...
Downloads
356.2M
Dependents
5.0K
Releases
55
Size
15KB

Deep Insights

📊
Stable downloads

27.4M downloads in the last 30 days (914.2K/day). Volume is roughly flat compared to the previous period.

🔗
Widely adopted

5.0K crates depend on signature. Strong ecosystem adoption means battle-tested code and long-term stability.

👤
Prolific maintainer

The primary maintainer publishes 216 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Stable for 7+ years

The API has been stable (1.x) for over 7 years with 55 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

📐
Compact crate

At 15KB, signature is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include rsa, ecdsa, ed25519, ed25519-dalek, jsonwebtoken. When high-quality crates choose signature, it's a strong quality signal.

Health Breakdown

Maintenance 15/25

Recency, release consistency, active ratio

Quality 19/25

Yanked ratio, deps, size, maturity, features

Community 20/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
919K/day avg-58%
0500K1.0M1.5M4/265/146/16/197/77/24

Top Dependents

Version Adoption

v3.0.0
35%
v3.0.0-rc.10
29%
v3.0.0-rc.6
18%
v3.0.0-rc.4
15%
v3.0.0-rc.5
3%

Release Timeline

10 releasessince 2025
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2026
5
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Feature Flags

allocrand_core

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
5.0K
crates depend on signature

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