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rsa

v0.9.10 Growing

Pure Rust RSA implementation

MIT OR Apache-2.0 Edition 2021 MSRV 1.65
Cryptography #crypto#security#encryption#rsa

Quick Verdict

  • โœ“Actively maintained (updated 77d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (10.3K crates depend on it)
  • โœ“Team maintained (2 owners)
  • !Heavy dependency tree (26 direct deps)

Security

Checking security advisories...
Downloads
181.3M
Dependents
10.3K
Releases
64
Size
86KB

Deep Insights

๐Ÿ“Š
Stable downloads

13.9M downloads in the last 30 days (463.6K/day). Volume is roughly flat compared to the previous period.

๐Ÿ›๏ธ
Foundational crate

10.3K crates depend on rsa โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

๐Ÿ‘ค
Prolific maintainer

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

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 7+ years old, rsa hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

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

๐ŸŒŸ
Used by top crates

Notable dependents include jsonwebtoken, sqlx-mysql, x509-cert, google-cloud-auth, lettre. When high-quality crates choose rsa, it's a strong quality signal.

Health Breakdown

Maintenance 15/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
405K/day avg-41%
0200K400K600K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.9.10
85%
v0.9.9
12%
v0.10.0-rc.18
1%
v0.10.0-rc.12
1%
v0.10.0-rc.17
1%

Release Timeline

10 releasessince 2025
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2025
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2026
9
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Feature Flags

default =["std", "pem", "u64_digit"]

pem*std*pkcs5serdehazmatnightlygetrandomu64_digit*

README

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Maintainers

Dependencies
26
direct dependencies
Dependents
10.3K
crates depend on rsa

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