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curve25519-dalek

v5.0.0 Stable

A pure-Rust implementation of group operations on ristretto255 and Curve25519

BSD-3-Clause Edition 2024 MSRV 1.85.0
CryptographyNo standard library #crypto#cryptography#curve25519#ristretto#ristretto255

Quick Verdict

  • โœ“Actively maintained (updated 7d ago)
  • โœ“Stable API (5.x for 9+ years)
  • โœ“Massive adoption (8.4K crates depend on it)
  • โœ“Team maintained (2 owners)
  • !53% of releases were yanked

Security

Checking security advisories...
Downloads
208.6M
Dependents
8.4K
Releases
104
Size
350KB

Deep Insights

๐Ÿ“‰
Download decline

15.5M downloads in the last 30 days, down 27% from the previous period. May indicate migration to alternatives.

๐Ÿ”—
Widely adopted

8.4K crates depend on curve25519-dalek. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

โœ…
Stable for 9+ years

The API has been stable (1.x) for over 9 years with 104 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

53% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include ed25519-dalek, x25519-dalek, snow, ed25519-zebra, schnorrkel. When high-quality crates choose curve25519-dalek, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 13/25

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 ยท last 90 days
565K/day avg-64%
0200K400K600K800K1.0M4/265/146/16/197/77/24

Top Dependents

Version Adoption

v5.0.0-pre.6
43%
v5.0.0-pre.1
36%
v5.0.0-rc.0
13%
v5.0.0-rc.1
4%
v5.0.0
3%

Release Timeline

10 releasessince 2025
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2025
4
2026
6
Less
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Feature Flags

default =["alloc", "precomputed-tables", "zeroize"]

alloc*groupdigestlizardrand_coreprecomputed-tables*legacy_compatibility

README

Loading README...

Maintainers

Dependencies
18
direct dependencies
Dependents
8.4K
crates depend on curve25519-dalek

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