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curve25519-dalek

v4.1.3 Stable

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

BSD-3-Clause Edition 2021 MSRV 1.60.0
CryptographyNo standard library #crypto#cryptography#curve25519#ristretto#ristretto255

Quick Verdict

  • โœ“Actively maintained (updated 51d ago)
  • โœ“Stable API (4.x for 9+ years)
  • โœ“Massive adoption (7.4K crates depend on it)
  • โœ“Team maintained (2 owners)
  • !54% of releases were yanked

Security

Checking security advisories...
Downloads
144.4M
Dependents
7.4K
Releases
101
Size
306KB

Deep Insights

๐Ÿ“Š
Steady growth

14.8M downloads in the last 30 days (493.7K/day), up 19% from the previous period.

๐Ÿ”—
Widely adopted

7.4K 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 101 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

54% 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 16/25

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
397K/day avg+68%
0200K400K600K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v4.1.3
64%
v3.2.0
19%
v3.2.1
8%
v4.1.2
4%
v4.1.1
4%

Release Timeline

101 releases55 yankedsince 2016
J
F
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A
M
J
J
A
S
O
N
D
2016
4
2017
21
2018
20
2019
16
2020
3
2021
14
2022
6
2023
7
2024
2
2025
5
2026
3
Less
More|
Yanked

Feature Flags

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

alloc*groupgroup-bitsprecomputed-tables*legacy_compatibility

README

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Maintainers

Dependencies
18
direct dependencies
Dependents
7.4K
crates depend on curve25519-dalek

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