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# pairing [](https://crates.io/crates/pairing) #
This is a Rust crate for using pairing-friendly elliptic curves. Currently, only the [BLS12-381 ](https://z.cash/blog/new-snark-curve.html ) construction is implemented.
## [Documentation](https://docs.rs/pairing/)
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Bring the `pairing` crate into your project just as you normally would.
If you're using a supported platform and the nightly Rust compiler, you can enable the `u128-support` feature for faster arithmetic.
```toml
[dependencies.pairing]
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version = "0.14"
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features = ["u128-support"]
```
## Security Warnings
This library does not make any guarantees about constant-time operations, memory access patterns, or resistance to side-channel attacks.
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## License
Licensed under either of
* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
at your option.
### Contribution
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.
