Crate features / ctr
Feature flags · ctr 0.10.1 · from crates.io 2026-10-24
ctr features: what each one does, and the line to copy
Short answerctr 0.10.1 has 3 features. Nothing is on by default: turn on what you use. It needs Rust 1.85 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
alloc | cipher/alloc | |
block-padding | cipher/block-padding | |
zeroize | cipher/zeroize |
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 ctr declares (rust-version), and the release that changed it:
- 0.9.0 (2022-02-10): Rust 1.56
- 0.10.0-pre.0 (2024-07-26): Rust 1.65
- 0.10.0-rc.0 (2025-05-30): Rust 1.85
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p ctr --precise <version>, or use resolver 3, which picks compatible versions for you.
More on ctr
Real downloads, dependents and alternatives: ctr crate data (757.3K real downloads a day, 344 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2024
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