rustio rustio.net
62

sspi

v0.21.1 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 17d ago)
  • !Pre-1.0: API may have breaking changes
  • Trusted by 129 crates
  • Team maintained (4 owners)
  • !Heavy dependency tree (65 direct deps)

Security

Checking security advisories...
Downloads
1.3M
Dependents
129
Releases
63
Size
295KB

Deep Insights

📉
Download decline

176.1K downloads in the last 30 days, down 50% from the previous period. May indicate migration to alternatives.

🔗
Moderate adoption

129 crates depend on sspi. Reasonable ecosystem adoption, though not yet a core dependency.

👤
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 7+ years old, sspi hasn't reached 1.0 yet. Expect potential API changes between versions.

📦
Heavy dependency tree

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

🌟
Used by top crates

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

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 14/20

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
7K/day avg-71%
05K10K15K20K25K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.18.7
88%
v0.21.0
6%
v0.21.1
3%
v0.20.1
1%
v0.19.2
1%

Release Timeline

10 releasessince 2026
J
F
M
A
M
J
J
A
S
O
N
D
2026
10
Less
More

Feature Flags

default =["aws-lc-rs"]

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

README

Loading README...

Maintainers

Dependencies
65
direct dependencies
Dependents
129
crates depend on sspi

Similar Crates