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x25519-dalek

v3.0.0 Stable

X25519 elliptic curve Diffie-Hellman key exchange in pure-Rust, using curve25519-dalek.

BSD-3-Clause Edition 2024 MSRV 1.85
CryptographyNo standard library #cryptography#curve25519#key-exchange#x25519#diffie-hellman

Quick Verdict

  • โœ“Actively maintained (updated 7d ago)
  • โœ“Stable API (3.x for 8+ years)
  • โœ“Massive adoption (8.1K crates depend on it)
  • โœ“Team maintained (2 owners)

Security

Checking security advisories...
Downloads
59.0M
Dependents
8.1K
Releases
35
Size
96KB

Deep Insights

๐Ÿ“Š
Stable downloads

4.7M downloads in the last 30 days (157.5K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

8.1K crates depend on x25519-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 8+ years

The API has been stable (1.x) for over 8 years with 35 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

14% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include ed25519-dalek, snow, libp2p-noise, smoldot, hpke. When high-quality crates choose x25519-dalek, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 17/25

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
137K/day avg-39%
050K100K150K200K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v3.0.0-pre.1
60%
v3.0.0-pre.6
25%
v3.0.0-rc.1
7%
v3.0.0
4%
v3.0.0-rc.0
4%

Release Timeline

10 releasessince 2025
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2025
4
2026
6
Less
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Feature Flags

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

serdezeroize*getrandomstatic_secretsreusable_secretsprecomputed-tables*

README

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Maintainers

Dependencies
8
direct dependencies
Dependents
8.1K
crates depend on x25519-dalek

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