Crate features / openssl
Feature flags · openssl 0.10.81 · from crates.io 2026-10-24
openssl features: what each one does, and the line to copy
Short answeropenssl 0.10.81 has 9 features. Nothing is on by default: turn on what you use. It needs Rust 1.80.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
aws-lc | ffi/aws-lc | |
aws-lc-fips | ffi/aws-lc-fips | |
bindgen | ffi/bindgen | |
unstable_boringssl | ffi/unstable_boringssl | |
v101 | nothing else (a switch the code checks) | |
v102 | nothing else (a switch the code checks) | |
v110 | nothing else (a switch the code checks) | |
v111 | nothing else (a switch the code checks) | |
vendored | ffi/vendored |
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 openssl declares (rust-version), and the release that changed it:
- 0.10.67 (2024-10-16): Rust 1.63.0
- 0.10.74 (2025-10-15): Rust 1.70.0
- 0.10.79 (2026-05-04): Rust 1.80.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p openssl --precise <version>, or use resolver 3, which picks compatible versions for you.
More on openssl
Real downloads, dependents and alternatives: openssl crate data (945.5K real downloads a day, 1,868 dependents).
Security record: openssl advisories.
docs.rs feature list · crates.io · license Apache-2.0 · edition 2021
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