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boring-sys

v5.0.2 Stable

FFI bindings to BoringSSL

MIT Edition 2021 MSRV 1.85
CryptographyExternal FFI bindings #tls#boringssl#openssl#fips#ml-kem

Quick Verdict

  • Actively maintained (updated 38d ago)
  • Stable API (5.x for 5+ years)
  • Trusted by 142 crates
  • Team maintained (5 owners)
  • Permissive license (MIT)

Security

Checking security advisories...
Downloads
4.2M
Dependents
142
Releases
53
Size
5.2MB

Deep Insights

📊
Steady growth

282.5K downloads in the last 30 days (9.4K/day), up 16% from the previous period.

🔗
Moderate adoption

142 crates depend on boring-sys. Reasonable ecosystem adoption, though not yet a core dependency.

👥
Team maintained

This crate is maintained by a team (5 owners), reducing bus-factor risk and ensuring continuity.

Stable for 5+ years

The API has been stable (1.x) for over 5 years with 53 releases. This level of maturity means you can depend on it without worrying about breaking changes.

📐
Large crate size

5.2MB is relatively large. May impact download and compile times.

⚠️
Notable yanked versions

13% of releases have been yanked. Check version history before pinning.

🌟
Used by top crates

Notable dependents include boring, tokio-boring, pingora-boringssl, libsignal-core-syft, quinn-boring. When high-quality crates choose boring-sys, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 17/20

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
8K/day avg+76%
05K10K15K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v4.17.0
38%
v4.19.0
30%
v4.13.0
12%
v3.1.0
10%
v4.16.0
9%

Release Timeline

53 releases7 yankedsince 2020
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A
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J
A
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N
D
2020
3
2021
6
2022
1
2023
11
2024
16
2025
6
2026
10
Less
More|
Yanked

Feature Flags

rpkfipsmlkemunderscore-wildcards

README

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Maintainers

Dependencies
4
direct dependencies
Dependents
142
crates depend on boring-sys

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