rustio rustio.net
60

pkcs1

v0.7.5 Growing

Pure Rust implementation of Public-Key Cryptography Standards (PKCS) #1: RSA Cryptography Specifications Version 2.2 (RFC 8017)

Apache-2.0 OR MIT Edition 2021 MSRV 1.60

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 696 crates
  • โœ“Team maintained (3 owners)
  • โœ“Permissive license (Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
150.8M
Dependents
696
Releases
27
Size
36KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

12.7M downloads in the last 30 days (422.2K/day), up 27% from the previous period.

๐Ÿ”—
Moderate adoption

696 crates depend on pkcs1. Reasonable ecosystem adoption, though not yet a core dependency.

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 5+ years old, pkcs1 hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 35KB, pkcs1 is lightweight. Small crate size correlates with focused, well-scoped functionality.

โš ๏ธ
Notable yanked versions

15% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include rsa, c2pa, russh, russh-keys, sspi. When high-quality crates choose pkcs1, it's a strong quality signal.

Health Breakdown

Maintenance 9/25

Recency, release consistency, active ratio

Quality 12/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
374K/day avg+13%
0200K400K600K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.7.5
99%
v0.8.0-rc.4
1%
v0.8.0-rc.3
0%
v0.8.0-pre.0
0%
v0.8.0-rc.1
0%

Release Timeline

10 releasessince 2023
J
F
M
A
M
J
J
A
S
O
N
D
2023
4
2024
3
2025
3
2026
Less
More

Feature Flags

pemstdalloczeroize

README

Loading README...

Maintainers

Dependencies
6
direct dependencies
Dependents
696
crates depend on pkcs1

Similar Crates