Crate x448 

RustCrypto: X448 Diffie-Hellman

THIS CODE HAS NOT BEEN AUDITED OR REVIEWED. USE AT YOUR OWN RISK.

About

This crate provides a pure Rust implementation of X448, the Diffie-Hellman function for the Ed448-Goldilocks elliptic curve, providing public key cryptography for symmetric key exchange/agreement.

Companion library to ed448-goldilocks.

License

All crates licensed under either of

• Apache License, Version 2.0
• MIT license

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.

Structs

EphemeralSecret

An EphemeralSecret is a Scalar on Curve448.

PublicKey

A PublicKey is a point on Curve448.

SharedSecret

A SharedSecret is a point on Curve448. This point is the result of a Diffie-Hellman key exchange.

StaticSecret

A Diffie-Hellman secret key that can be used to compute multiple SharedSecrets.

Constants

X448_BASEPOINT_BYTES

Functions

slice_to_array 🔒

x448

A safe version of the x448 function defined in RFC448. Currently, the only reason I can think of for using the raw function is FFI. Option is FFI safe1. So we can still maintain that the invariant that we do not return a low order point.

x448_unchecked

An unchecked version of the x448 function defined in RFC448 No checks are made on the points.

Type Aliases

EphemeralSecretBytes 🔒

MontgomeryScalar 🔒