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integrate with neptune's sponge (#105)

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* integrate with neptune's sponge

* fix clippy warning

* add checks to ensure at most one squeeze

* add checks to ensure at most one squeeze
This commit is contained in:
Srinath Setty
2022-08-11 19:03:44 -07:00
committed by GitHub
parent ddd90f7373
commit 0a7cbf925f
8 changed files with 97 additions and 78 deletions
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6
src/traits/mod.rs
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@@ -108,13 +108,13 @@ pub trait ROTrait<Base, Scalar> {
type Constants: ROConstantsTrait<Base> + Clone + Send + Sync;
/// Initializes the hash function
fn new(constants: Self::Constants) -> Self;
fn new(constants: Self::Constants, num_absorbs: usize) -> Self;
/// Adds a scalar to the internal state
fn absorb(&mut self, e: Base);
/// Returns a challenge of `num_bits` by hashing the internal state
fn squeeze(&self, num_bits: usize) -> Scalar;
fn squeeze(&mut self, num_bits: usize) -> Scalar;
}
/// A helper trait that defines the behavior of a hash function that we use as an RO in the circuit model
@@ -123,7 +123,7 @@ pub trait ROCircuitTrait<Base: PrimeField> {
type Constants: ROConstantsTrait<Base> + Clone + Send + Sync;
/// Initializes the hash function
fn new(constants: Self::Constants) -> Self;
fn new(constants: Self::Constants, num_absorbs: usize) -> Self;
/// Adds a scalar to the internal state
fn absorb(&mut self, e: AllocatedNum<Base>);