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ofb

v0.6.1 Growing

Output Feedback (OFB) block cipher mode of operation

MIT OR Apache-2.0 Edition 2021 MSRV 1.56
CryptographyNo standard library #crypto#ciphers#stream-cipher#block-mode

Quick Verdict

  • โœ“Actively maintained (updated 42d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Team maintained (2 owners)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

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Downloads
7.8M
Dependents
41
Releases
13
Size
24KB

Deep Insights

๐Ÿ“‰
Download decline

772.5K downloads in the last 30 days, down 28% from the previous period. May indicate migration to alternatives.

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, ofb hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 24KB, ofb is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include vrl, cocoon-tpm-crypto, crypto-literal-algorithm, crupter, gost-crypto. When high-quality crates choose ofb, it's a strong quality signal.

Health Breakdown

Maintenance 13/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 15/20

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
31K/day avg-35%
050K100K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.6.1
98%
v0.5.1
1%
v0.4.0
1%
v0.1.1
0%
v0.2.0
0%

Release Timeline

13 releasessince 2018
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2018
1
2019
1
2020
3
2021
2
2022
2
2023
2024
2025
3
2026
1
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Feature Flags

stdalloczeroizeblock-padding

README

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Maintainers

Dependencies
4
direct dependencies
Dependents
41
crates depend on ofb

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