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Smash Ciphersuite definitions into their own crates

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Uses dalek-ff-group for Ed25519 and Ristretto. Uses minimal-ed448 for Ed448.
Adds ciphersuite-kp256 for Secp256k1 and P-256.
This commit is contained in:
Luke Parker
2025-08-20 04:50:37 -04:00
parent 8be03a8fc2
commit b63ef32864
95 changed files with 322 additions and 184 deletions
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6
crypto/ciphersuite/README.md
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@@ -21,6 +21,8 @@ Their `hash_to_F` is the
[IETF's hash to curve](https://www.ietf.org/archive/id/draft-irtf-cfrg-hash-to-curve-16.html),
yet applied to their scalar field.
Please see the [`ciphersuite-kp256`](https://docs.rs/ciphersuite-kp256) crate for more info.
### Ed25519/Ristretto
Ed25519/Ristretto are offered via
@@ -33,6 +35,8 @@ the draft
[RFC-RISTRETTO](https://www.ietf.org/archive/id/draft-irtf-cfrg-ristretto255-decaf448-05.html).
The domain-separation tag is naively prefixed to the message.
Please see the [`dalek-ff-group`](https://docs.rs/dalek-ff-group) crate for more info.
### Ed448
Ed448 is offered via [minimal-ed448](https://crates.io/crates/minimal-ed448), an
@@ -42,3 +46,5 @@ to its prime-order subgroup.
Its `hash_to_F` is the wide reduction of SHAKE256, with a 114-byte output, as
used in [RFC-8032](https://www.rfc-editor.org/rfc/rfc8032). The
domain-separation tag is naively prefixed to the message.
Please see the [`minimal-ed448`](https://docs.rs/minimal-ed448) crate for more info.