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base16ct

v1.0.0 Growing

Pure Rust implementation of Base16 a.k.a hexadecimal (RFC 4648) which avoids any usages of data-dependent branches/LUTs and thereby provides portable "best effort" constant-time operation and embedded-friendly no_std support

Apache-2.0 OR MIT Edition 2024 MSRV 1.85

Quick Verdict

  • Actively maintained (updated 83d ago)
  • Stable API (1.x for 4+ years)
  • Massive adoption (1.4K crates depend on it)
  • Team maintained (3 owners)
  • Tiny footprint (11KB, 0 deps)

Security

Checking security advisories...
Downloads
129.2M
Dependents
1.4K
Releases
6
Size
11KB

Deep Insights

📈
Strong growth momentum

12.6M downloads in the last 30 days (419.8K/day), up 34% from the previous period.

🔗
Widely adopted

1.4K crates depend on base16ct. Strong ecosystem adoption means battle-tested code and long-term stability.

👤
Prolific maintainer

The primary maintainer publishes 215 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Stable for 4+ years

The API has been stable (1.x) for over 4 years with 6 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Zero dependencies

base16ct has no external dependencies — minimal supply chain risk and fast compile times.

📐
Compact crate

At 10KB, base16ct is lightweight. Small crate size correlates with focused, well-scoped functionality.

⚠️
Notable yanked versions

17% of releases have been yanked. Check version history before pinning.

🌟
Used by top crates

Notable dependents include elliptic-curve, sec1, serdect, p521, launchdarkly-server-sdk-evaluation. When high-quality crates choose base16ct, it's a strong quality signal.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 20/20

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
313K/day avg+90%
0200K400K600K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.2.0
60%
v0.1.1
39%
v1.0.0
1%
v0.3.0
0%
v0.1.0
0%

Release Timeline

6 releases1 yankedsince 2022
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2022
3
2023
1
2024
2025
1
2026
1
Less
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Yanked

Feature Flags

alloc

README

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Maintainers

Dependencies
0
direct dependencies
Dependents
1.4K
crates depend on base16ct

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