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opaque-ke

v4.0.1 Stable

An implementation of the OPAQUE password-authenticated key exchange protocol

Apache-2.0 OR MIT Edition 2024 MSRV 1.85
No standard library #crypto#cryptography#authentication#opaque#passwords

Quick Verdict

  • βœ“Actively maintained (updated 60d ago)
  • βœ“Stable API (4.x for 5+ years)
  • βœ“Trusted by 125 crates
  • !Heavy dependency tree (39 direct deps)
  • βœ“Permissive license (Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
449.2K
Dependents
125
Releases
32
Size
91KB

Deep Insights

πŸ“Š
Steady growth

23.8K downloads in the last 30 days (793/day), up 11% from the previous period.

πŸ”—
Moderate adoption

125 crates depend on opaque-ke. Reasonable ecosystem adoption, though not yet a core dependency.

βœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 32 releases. This level of maturity means you can depend on it without worrying about breaking changes.

πŸ“¦
Heavy dependency tree

39 direct dependencies. Consider the impact on compile times and supply chain complexity.

🌟
Used by top crates

Notable dependents include opaque-ke, cbwaw, perovskite_core, perovskite_client, perovskite_server. When high-quality crates choose opaque-ke, it's a strong quality signal.

Health Breakdown

Maintenance 15/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads Β· last 90 days
694/day avg+36%
05001K2K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v3.0.0
50%
v2.1.0-pre.1
19%
v1.3.0
16%
v4.0.1
10%
v4.1.0-pre.1
6%

Release Timeline

10 releasessince 2023
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2023
1
2024
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2025
5
2026
1
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More

Feature Flags

default =["ristretto255", "serde"]

stdecdsaserde*argon2ed25519curve25519ristretto255*

README

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Maintainers

Dependencies
39
direct dependencies
Dependents
125
crates depend on opaque-ke

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