Struct SHAKE

pub struct SHAKE<const SZ: usize> { /* private fields */ }

SHAKE implementation.

The type parameter SZ must be either 128 or 256, for SHAKE128 and SHAKE256, respectively. An instance is, at any time, in “initial” or “flipped” state. The instance is created in input mode, and goes to output mode when flip() is called. In input mode, data can be injected with the inject() method. In output mode, data can be extracted with the extract() method. The reset() method sets back the instance to its starting state (input mode, and empty).

Instances are cloneable, which captures the current engine state.

Implementations

impl<const SZ: usize> SHAKE<SZ>

pub fn new() -> SHAKE<SZ>

Create a new instance.

pub fn inject(&mut self, src: &[u8])

Inject some bytes into the engine.

This function can be called repeatedly. If the engine is in output mode, then a panic is triggered.

pub fn flip(&mut self)

Flip the engine from input to output mode.

If the engine is already in output mode, then a panic is triggered.

pub fn extract(&mut self, dst: &mut [u8])

Extract some bytes from the engine.

This function can be called repeatedly. If the engine is in input mode, then a panic is triggered.

pub fn reset(&mut self)

Reset this engine to the initial state (empty, input mode).

Trait Implementations

impl<const SZ: usize> Clone for SHAKE<SZ>

fn clone(&self) -> SHAKE<SZ>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<const SZ: usize> Debug for SHAKE<SZ>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<const SZ: usize> Copy for SHAKE<SZ>