x25519-dalek-0.0.0 has been yanked.
x25519-dalek

An implementation of x25519 Diffie-Hellman key exchange as specified by Mike Hamburg and Adam Langley in RFC7748, in pure-Rust, using curve25519-dalek.
This crate is experimental and undergoing code review. If you'd like to play with the current implementation, please checkout the x25519-dalek repository.