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Tony Arcieri 37d3ae99d3
x25519: use manual impls instead of zeroize_derive (#776) 
The types involved are all simple 1-tuple newtypes where zeroization
only involves calling `zeroize` on the inner type, making all of the
involved impls relatively trivial.

Avoiding custom derive arguably improves auditability as you don't need
to expand a proc macro to see the resulting code. It decreases the
number of required dependencies in order for the `zeroize` feature to
work, where some of those dependencies are incredibly heavy
(particularly `syn`).
2025-07-07 10:14:51 -04:00
.github/workflows CI: bump clippy to Rust 1.87 (#768) 2025-06-06 18:30:32 +02:00
curve25519-dalek curve: Hash to curve and field as defined in the standard (#377) 2025-07-05 22:01:26 +02:00
curve25519-dalek-derive curve: rename FieldElement*::as_bytes => ::to_bytes (#767) 2025-06-06 15:10:29 -06:00
docs/assets Move CI & assets into workspace 2023-06-28 08:59:51 +00:00
ed25519-dalek ed: vendor merlin dependency (#774) 2025-06-20 16:54:16 -04:00
x25519-dalek x25519: use manual impls instead of zeroize_derive (#776) 2025-07-07 10:14:51 -04:00
.gitignore Clean up backend features and vendor curve25519_dalek_derive (#531) 2023-06-22 01:46:27 -04:00
.typos.toml Add typos action and correct typos (#766) 2025-06-04 17:40:10 +02:00
Cargo.toml Re-organize Cargo manifests to workspace 2023-06-28 09:38:06 +00:00
CONTRIBUTING.md Add new workspace README and CONTRIBUTING 2023-06-28 09:40:52 +00:00
README.md README.md: remove broken image (#595) 2023-11-01 13:33:43 -04:00

README.md

dalek-cryptography logo: a dalek with edwards curves as sparkles coming out of its radar-schnozzley blaster thingies

Dalek elliptic curve cryptography

This repo contains pure-Rust crates for elliptic curve cryptography:

Crate Description Crates.io Docs CI
curve25519‑dalek A library for arithmetic over the Curve25519 and Ristretto elliptic curves and their associated scalars. CI
ed25519‑dalek An implementation of the EdDSA digital signature scheme over Curve25519. CI
x25519‑dalek An implementation of elliptic curve Diffie-Hellman key exchange over Curve25519. CI

There is also the curve25519-dalek-derive crate, which is just a helper crate with some macros that make curve25519-dalek easier to write.

Contributing

Please see CONTRIBUTING.md.

Code of Conduct

We follow the Rust Code of Conduct, with the following additional clauses:

  • We respect the rights to privacy and anonymity for contributors and people in the community. If someone wishes to contribute under a pseudonym different to their primary identity, that wish is to be respected by all contributors.