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sspi

v0.19.2 Growing

A Rust implementation of the Security Support Provider Interface (SSPI) API

MIT OR Apache-2.0 Edition 2024 MSRV 1.89
#windows#auth#ntlm#sspi#kerberos

Quick Verdict

  • Actively maintained (updated 1d ago)
  • !Pre-1.0: API may have breaking changes
  • Team maintained (4 owners)
  • !Heavy dependency tree (73 direct deps)
  • Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
601.4K
Dependents
84
Releases
59
Size
281KB

Deep Insights

📈
Strong growth momentum

65.2K downloads in the last 30 days (2.2K/day), up 42% from the previous period.

👤
Prolific maintainer

The primary maintainer publishes 53 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

🔬
Pre-1.0 for over a year

Despite being 6+ years old, sspi hasn't reached 1.0 yet. Expect potential API changes between versions.

📦
Heavy dependency tree

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

🌟
Used by top crates

Notable dependents include ldap3, ldap3_proto, ironrdp, ironrdp-connector, ironrdp-tokio. When high-quality crates choose sspi, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 11/25

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 · last 90 days
2K/day avg+126%
01K2K3K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.15.0
37%
v0.11.0
26%
v0.16.1
15%
v0.11.1
13%
v0.13.0
9%

Release Timeline

59 releases5 yankedsince 2019
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2019
4
2020
1
2021
1
2022
9
2023
8
2024
6
2025
23
2026
7
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Yanked

Feature Flags

default =["aws-lc-rs"]

ringscardtssspaws-lc-rs*__test-datadns_resolver__rustls-usednetwork_client__install-crypto-provider

README

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Maintainers

Dependencies
73
direct dependencies
Dependents
84
crates depend on sspi

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