Licensed under either of:
at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.
Common traits used by cryptographic algorithms. Users should generally use
higher-level trait crates instead of this one.
Rust **1.41** or higher.
Minimum supported Rust version can be changed in the future, but it will be
done with a minor version bump.