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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 17d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (7.4K crates depend on it)
  • โœ“Team maintained (2 owners)
  • !Heavy dependency tree (26 direct deps)

Security

Checking security advisories...
Downloads
135.2M
Dependents
7.4K
Releases
63
Size
86KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

11.8M downloads in the last 30 days (394.0K/day), up 31% from the previous period.

๐Ÿ”—
Widely adopted

7.4K crates depend on rsa. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 211 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, c2pa. When high-quality crates choose rsa, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

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
303K/day avg+76%
0100K200K300K400K500K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.9.8
34%
v0.9.6
27%
v0.9.10
14%
v0.8.2
13%
v0.9.2
12%

Release Timeline

63 releases1 yankedsince 2018
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2018
2
2019
5
2020
1
2021
3
2022
10
2023
15
2024
5
2025
14
2026
8
Less
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Yanked

Feature Flags

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

pem*std*pkcs5serdehazmatnightlygetrandomu64_digit*

README

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Maintainers

Dependencies
26
direct dependencies
Dependents
7.4K
crates depend on rsa

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