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sha2-fv
v0.1.0 ExperimentalFormally verified Pure Rust implementation of the SHA-2 hash function family (SHA-224, SHA-256, SHA-384, SHA-512, SHA-512/224, SHA-512/256), with Lean 4 proofs of correctness against FIPS 180-4.
MIT OR Apache-2.0 Edition 2024 MSRV 1.85
CryptographyNo standard libraryNo standard library::No dynamic allocation #hash#crypto#sha2#digest#formal-verification
Quick Verdict
- ✓Actively maintained (updated 46d ago)
- !Pre-1.0: API may have breaking changes
- ✓Tiny footprint (99KB, 2 deps)
- ✓Permissive license (MIT OR Apache-2.0)
Security
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Downloads
20
Dependents
0
Releases
1
Size
99KB
Deep Insights
📉
Download decline
7 downloads in the last 30 days, down 46% from the previous period. May indicate migration to alternatives.
🪶
Minimal dependencies
Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
Health Breakdown
Maintenance 10/25
Recency, release consistency, active ratio
Quality 17/25
Yanked ratio, deps, size, maturity, features
Community 6/20
Reverse deps, ownership, ecosystem
Popularity 2/15
Downloads, momentum, growth trend
Documentation 15/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg
Version Adoption
v0.1.0
100%
Release Timeline
1 releasessince 2026
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Feature Flags
default =["sha256", "sha256_224", "sha512", "sha512_224", "sha512_256", "sha512_384"]
sha256*sha512*compresssha256_224*sha512_224*sha512_256*sha512_384*
README
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Maintainers
Dependencies
2
direct dependencies
Dependents
0
crates depend on sha2-fv