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Introduce ristretto255 crate feature (#35)

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This commit is contained in:
daxpedda
2021-12-23 01:50:48 -05:00
committed by GitHub
parent 140f9e063d
commit 6669a0c4e6
9 changed files with 194 additions and 154 deletions
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src/lib.rs
+70 -2
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@@ -23,7 +23,7 @@
//!
//! We will use the following choices in this example:
//!
//! ```
//! ```ignore
//! type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! type Hash = sha2::Sha512;
//! ```
@@ -51,8 +51,14 @@
//! must be persisted on the server and used for online client evaluations.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! use rand::rngs::OsRng;
//! use rand::RngCore;
//! use voprf::NonVerifiableServer;
@@ -71,8 +77,14 @@
//! step of the VOPRF protocol.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! use rand::rngs::OsRng;
//! use rand::RngCore;
//! use voprf::NonVerifiableClient;
@@ -92,8 +104,14 @@
//! [EvaluationElement] to be sent to the client.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! # use voprf::NonVerifiableClient;
//! # use rand::{rngs::OsRng, RngCore};
//! #
@@ -118,8 +136,14 @@
//! [NonVerifiableClient::finalize] to produce an output for the protocol.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! # use voprf::NonVerifiableClient;
//! # use rand::{rngs::OsRng, RngCore};
//! #
@@ -163,8 +187,14 @@
//! must be persisted on the server and used for online client evaluations.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! use rand::rngs::OsRng;
//! use rand::RngCore;
//! use voprf::VerifiableServer;
@@ -190,8 +220,14 @@
//! of the VOPRF protocol.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! use rand::rngs::OsRng;
//! use rand::RngCore;
//! use voprf::VerifiableClient;
@@ -211,8 +247,14 @@
//! a proof.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! # use voprf::VerifiableClient;
//! # use rand::{rngs::OsRng, RngCore};
//! #
@@ -238,8 +280,14 @@
//! output for the protocol.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! # use voprf::VerifiableClient;
//! # use rand::{rngs::OsRng, RngCore};
//! #
@@ -288,8 +336,14 @@
//! messages:
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! # use voprf::VerifiableClient;
//! # use rand::{rngs::OsRng, RngCore};
//! #
@@ -311,8 +365,14 @@
//! proof:
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! # use voprf::VerifiableClient;
//! # use rand::{rngs::OsRng, RngCore};
//! #
@@ -342,8 +402,14 @@
//! outputs if the proof verifies correctly.
//!
//! ```
//! # #[cfg(feature = "ristretto255")]
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
//! # #[cfg(feature = "ristretto255")]
//! # type Hash = sha2::Sha512;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Group = p256_::ProjectivePoint;
//! # #[cfg(all(feature = "p256", not(feature = "ristretto255")))]
//! # type Hash = sha2::Sha256;
//! # use voprf::VerifiableClient;
//! # use rand::{rngs::OsRng, RngCore};
//! #
@@ -411,7 +477,9 @@
//! and allow for selecting the corresponding backend for the curve arithmetic
//! used. The `ristretto255_u64` feature is included as the default. Other
//! features are mapped as `ristretto255_u32`, `ristretto255_fiat_u64` and
//! `ristretto255_fiat_u32`.
//! `ristretto255_fiat_u32`. Any `ristretto255_*` backend feature will enable
//! the `ristretto255` feature, which can be used too, but keep in mind that
//! `curve25519-dalek` will fail to compile without a selected backend.
//!
//! - The `ristretto255_simd` feature is re-exported from [curve25519-dalek](https://doc.dalek.rs/curve25519_dalek/index.html#backends-and-features)
//! and enables parallel formulas, using either AVX2 or AVX512-IFMA. This will