Crate features / ed25519
Feature flags · ed25519 3.0.0 · from crates.io 2026-10-24
ed25519 features: what each one does, and the line to copy
Short answered25519 3.0.0 has 3 features. By default it turns on alloc; add default-features = false to start from nothing. It needs Rust 1.85 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
alloc | yes | pkcs8?/alloc, signature/alloc |
pem | alloc, pkcs8/pem | |
serde | dep:serdect |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version ed25519 declares (rust-version), and the release that changed it:
- 2.0.0-pre.0 (2022-11-06): Rust 1.56
- 2.1.0 (2023-01-21): Rust 1.60
- 2.3.0-pre.0 (2024-07-28): Rust 1.72
- 3.0.0-pre.0 (2025-05-31): Rust 1.85
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p ed25519 --precise <version>, or use resolver 3, which picks compatible versions for you.
More on ed25519
Real downloads, dependents and alternatives: ed25519 crate data (760.8K real downloads a day, 78 dependents).
docs.rs feature list · crates.io · license Apache-2.0 OR MIT · edition 2024
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