vexahub/voprf-vx
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Reduce allocations and some general code improvements (#26)

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* Remove unnecessary paths

* Remove unnecessary conversion for `G::from_scalar_slice`

* Remove unnecessary allocations

* Return `GenericArray` from `get_context_string`

* Use `zip()` instead instead of indexing

* Changed `compute_composites` input to `Iterator`s

* Changed `generate_proof` input to `Iterator`s

* Changed `verify_proof` input to `Iterator`s

* Reduce allocations in `verifiable_unblind`

* Changed `verifiable_unblind` input to `Iterator`s

* Changed `batch_finalize` input to `Iterator`s
Removed `BatchFinalizeInput`

* Reduce allocations in `VerifiableClient::finalize`

* Changed `finalize_after_unblind` input to `Iterator`s

* Changed `batch_evaluate` input to `Iterator`s

* Reduce allocations in `evaluate`

* Changed `blind` input to `Into<Vec<u8>>`

* Remove note about `BatchFinalizeInput` from documentation

* Remove `Metadata`

* Changed `blind` input to `Vec<u8>`

* General improvements to test code

* Fix rustdoc

* Remove unnecessarily installed components
This commit is contained in:
daxpedda
2021-10-12 15:07:47 -07:00
committed by GitHub
parent fab7528a69
commit 5ac52388ff
4 changed files with 311 additions and 329 deletions
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src/lib.rs
+26 -39
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@@ -78,7 +78,7 @@
//!
//! let mut client_rng = OsRng;
//! let client_blind_result = NonVerifiableClient::<Group, Hash>::blind(
//! b"input",
//! b"input".to_vec(),
//! &mut client_rng,
//! ).expect("Unable to construct client");
//! ```
@@ -99,17 +99,16 @@
//! #
//! # let mut client_rng = OsRng;
//! # let client_blind_result = NonVerifiableClient::<Group, Hash>::blind(
//! # b"input",
//! # b"input".to_vec(),
//! # &mut client_rng,
//! # ).expect("Unable to construct client");
//! # use voprf::NonVerifiableServer;
//! # let mut server_rng = OsRng;
//! # let server = NonVerifiableServer::<Group, Hash>::new(&mut server_rng)
//! # .expect("Unable to construct server");
//! use voprf::Metadata;
//! let server_evaluate_result = server.evaluate(
//! client_blind_result.message,
//! &Metadata::none(),
//! None,
//! ).expect("Unable to perform server evaluate");
//! ```
//!
@@ -127,7 +126,7 @@
//! #
//! # let mut client_rng = OsRng;
//! # let client_blind_result = NonVerifiableClient::<Group, Hash>::blind(
//! # b"input",
//! # b"input".to_vec(),
//! # &mut client_rng,
//! # ).expect("Unable to construct client");
//! # use voprf::NonVerifiableServer;
@@ -136,12 +135,11 @@
//! # .expect("Unable to construct server");
//! # let server_evaluate_result = server.evaluate(
//! # client_blind_result.message,
//! # &Metadata::none(),
//! # None,
//! # ).expect("Unable to perform server evaluate");
//! use voprf::Metadata;
//! let client_finalize_result = client_blind_result.state.finalize(
//! server_evaluate_result.message,
//! &Metadata::none(),
//! None,
//! ).expect("Unable to perform client finalization");
//!
//! println!("VOPRF output: {:?}", client_finalize_result.to_vec());
@@ -200,7 +198,7 @@
//!
//! let mut client_rng = OsRng;
//! let client_blind_result = VerifiableClient::<Group, Hash>::blind(
//! b"input",
//! b"input".to_vec(),
//! &mut client_rng,
//! ).expect("Unable to construct client");
//! ```
@@ -221,18 +219,17 @@
//! #
//! # let mut client_rng = OsRng;
//! # let client_blind_result = VerifiableClient::<Group, Hash>::blind(
//! # b"input",
//! # b"input".to_vec(),
//! # &mut client_rng,
//! # ).expect("Unable to construct client");
//! # use voprf::VerifiableServer;
//! # let mut server_rng = OsRng;
//! # let server = VerifiableServer::<Group, Hash>::new(&mut server_rng)
//! # .expect("Unable to construct server");
//! use voprf::Metadata;
//! let server_evaluate_result = server.evaluate(
//! &mut server_rng,
//! client_blind_result.message,
//! &Metadata::none(),
//! None,
//! ).expect("Unable to perform server evaluate");
//! ```
//!
@@ -251,7 +248,7 @@
//! #
//! # let mut client_rng = OsRng;
//! # let client_blind_result = VerifiableClient::<Group, Hash>::blind(
//! # b"input",
//! # b"input".to_vec(),
//! # &mut client_rng,
//! # ).expect("Unable to construct client");
//! # use voprf::VerifiableServer;
@@ -261,14 +258,13 @@
//! # let server_evaluate_result = server.evaluate(
//! # &mut server_rng,
//! # client_blind_result.message,
//! # &Metadata::none(),
//! # None,
//! # ).expect("Unable to perform server evaluate");
//! use voprf::Metadata;
//! let client_finalize_result = client_blind_result.state.finalize(
//! server_evaluate_result.message,
//! server_evaluate_result.proof,
//! server.get_public_key(),
//! &Metadata::none(),
//! None,
//! ).expect("Unable to perform client finalization");
//!
//! println!("VOPRF output: {:?}", client_finalize_result.to_vec());
@@ -303,7 +299,7 @@
//! let mut client_messages = vec![];
//! for _ in 0..10 {
//! let client_blind_result = VerifiableClient::<Group, Hash>::blind(
//! b"input",
//! b"input".to_vec(),
//! &mut client_rng,
//! ).expect("Unable to construct client");
//! client_states.push(client_blind_result.state);
@@ -327,13 +323,12 @@
//! # let mut client_messages = vec![];
//! # for _ in 0..10 {
//! # let client_blind_result = VerifiableClient::<Group, Hash>::blind(
//! # b"input",
//! # b"input".to_vec(),
//! # &mut client_rng,
//! # ).expect("Unable to construct client");
//! # client_states.push(client_blind_result.state);
//! # client_messages.push(client_blind_result.message);
//! # }
//! # use voprf::Metadata;
//! # use voprf::VerifiableServer;
//! let mut server_rng = OsRng;
//! # let server = VerifiableServer::<Group, Hash>::new(&mut server_rng)
@@ -341,15 +336,14 @@
//! let server_batch_evaluate_result = server.batch_evaluate(
//! &mut server_rng,
//! &client_messages,
//! &Metadata::none(),
//! None,
//! ).expect("Unable to perform server batch evaluate");
//! ```
//!
//! Then, the client calls [VerifiableClient::batch_finalize] on
//! the client states saved from the first step, along with the messages
//! returned by the server (constructing a [BatchFinalizeInput]), along with the
//! server's proof, in order to produce a vector of outputs if the proof
//! verifies correctly.
//! returned by the server, along with the server's proof, in order to produce
//! a vector of outputs if the proof verifies correctly.
//!
//! ```
//! # type Group = curve25519_dalek::ristretto::RistrettoPoint;
@@ -362,32 +356,27 @@
//! # let mut client_messages = vec![];
//! # for _ in 0..10 {
//! # let client_blind_result = VerifiableClient::<Group, Hash>::blind(
//! # b"input",
//! # b"input".to_vec(),
//! # &mut client_rng,
//! # ).expect("Unable to construct client");
//! # client_states.push(client_blind_result.state);
//! # client_messages.push(client_blind_result.message);
//! # }
//! # use voprf::Metadata;
//! # use voprf::VerifiableServer;
//! use voprf::BatchFinalizeInput;
//! let mut server_rng = OsRng;
//! # let server = VerifiableServer::<Group, Hash>::new(&mut server_rng)
//! # .expect("Unable to construct server");
//! # let server_batch_evaluate_result = server.batch_evaluate(
//! # &mut server_rng,
//! # &client_messages,
//! # &Metadata::none(),
//! # None,
//! # ).expect("Unable to perform server batch evaluate");
//! let batch_finalize_input = BatchFinalizeInput::new(
//! client_states,
//! server_batch_evaluate_result.messages,
//! );
//! let client_batch_finalize_result = VerifiableClient::batch_finalize(
//! batch_finalize_input,
//! &client_states,
//! &server_batch_evaluate_result.messages,
//! server_batch_evaluate_result.proof,
//! server.get_public_key(),
//! &Metadata::none(),
//! None,
//! ).expect("Unable to perform client batch finalization");
//!
//! println!("VOPRF batch outputs: {:?}", client_batch_finalize_result);
@@ -402,8 +391,7 @@
//! This metadata can be constructed with some type of higher-level domain separation
//! to avoid cross-protocol attacks or related issues.
//!
//! The default metadata simply consists of the empty vector of bytes, but a custom
//! metadata can be specified, for example, by: `Metadata(b"custom metadata")`.
//! A custom metadata can be specified, for example, by: `Some(b"custom metadata")`.
//!
//! # Features
//!
@@ -444,8 +432,7 @@ mod tests;
pub use rand;
pub use crate::voprf::{
BatchFinalizeInput, BlindedElement, EvaluationElement, Metadata, NonVerifiableClient,
NonVerifiableClientBlindResult, NonVerifiableServer, NonVerifiableServerEvaluateResult,
VerifiableClient, VerifiableClientBlindResult, VerifiableServer,
VerifiableServerEvaluateResult,
BlindedElement, EvaluationElement, NonVerifiableClient, NonVerifiableClientBlindResult,
NonVerifiableServer, NonVerifiableServerEvaluateResult, VerifiableClient,
VerifiableClientBlindResult, VerifiableServer, VerifiableServerEvaluateResult,
};