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Patched source for Aeneas/Charon formal verification transpilation
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mrwulf d58065f735 Aeneas-compat: decompress step_2 negate-then-conditional-assign 
Same documented rewrite as FieldElement::sqrt_ratio_i: semantically
identical and still constant-time, but avoids subtle's
ConditionallyNegatable blanket impl, which the verification toolchain
cannot translate. Unblocks extracting decompress for the phase-2 full
point-level lift.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 01:41:54 +02:00
curve25519-dalek Aeneas-compat: decompress step_2 negate-then-conditional-assign 2026-07-06 01:41:54 +02:00
curve25519-dalek-derive Updates license field to valid SPDX format (#647) 2024-06-03 14:30:13 -06:00
docs/assets Move CI & assets into workspace 2023-06-28 08:59:51 +00:00
ed25519-dalek Aeneas-compat: single-call sha512_hash3 oracle (sha2-0.10 stack) 2026-07-04 22:11:30 +02:00
x25519-dalek Mitigate check-cfg until MSRV 1.77 (#652) 2024-05-09 07:24:16 -06:00
.gitignore Move CI & assets into workspace 2023-06-28 08:59:51 +00:00
Cargo.toml add support for RISC Zero cryptographic accelerators 2025-09-26 17:00:25 -07:00
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.