Struct Instance

Source

pub struct Instance<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> { /* private fields */ }

Expand description

Represents a generic instance of Poseidon.

Intended for generic fixed-width hashing.

Implementations§

Source §

impl<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

Source

pub fn new( parameters: &'a PoseidonParameters<STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>, ) -> Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

Instantiate a new hash function over Fq given Parameters.

Source

pub fn n_to_1_fixed_hash(&mut self, input_words: &[Fq; STATE_SIZE]) -> Fq

Fixed width hash from n:1. Outputs a F given t input words.

Source

pub fn output_words(&self) -> [Fq; STATE_SIZE]

Print out internal state.

Source

pub fn unoptimized_n_to_1_fixed_hash( &mut self, input_words: [Fq; STATE_SIZE], ) -> Fq

Fixed width hash from n:1. Outputs a F given t input words. Unoptimized.

Auto Trait Implementations§

§

impl<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> Freeze for Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

§

impl<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> RefUnwindSafe for Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

§

impl<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> Send for Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

§

impl<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> Sync for Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

§

impl<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> Unpin for Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

§

impl<'a, const STATE_SIZE: usize, const STATE_SIZE_MINUS_1: usize, const NUM_MDS_ELEMENTS: usize, const NUM_STATE_SIZE_MINUS_1_ELEMENTS: usize, const NUM_ROUND_ROWS: usize, const NUM_ROUND_COLS: usize, const NUM_ROUND_ELEMENTS: usize, const NUM_PARTIAL_ROUNDS: usize> UnwindSafe for Instance<'a, STATE_SIZE, STATE_SIZE_MINUS_1, NUM_MDS_ELEMENTS, NUM_STATE_SIZE_MINUS_1_ELEMENTS, NUM_ROUND_ROWS, NUM_ROUND_COLS, NUM_ROUND_ELEMENTS, NUM_PARTIAL_ROUNDS>

Blanket Implementations§

Source §

impl<T> Any for T
where T: 'static + ?Sized,

Source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

Source §

impl<T> Borrow<T> for T
where T: ?Sized,

Source §

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

Source §

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source §

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

Source §

impl<T> From<T> for T

Source §

fn from(t: T) -> T

Returns the argument unchanged.

§

impl<T> Instrument for T

§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Source §

impl<T, U> Into for T
where U: From<T>,

Source §

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source §

impl<T> IntoEither for T

Source §

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

§