Struct ed448_verifier::digest::XofDigest

pub struct XofDigest<T, OutputSize>
where
    T: ExtendableOutput,
    OutputSize: ArrayLength<u8> + 'static,
{ /* private fields */ }

Adapter for an extendable output function (XOF) to make it a Digest with a fixed output size.

Implementations

impl<T, OutputSize> XofDigest<T, OutputSize>

where T: ExtendableOutput, OutputSize: ArrayLength<u8> + 'static,

pub fn from_xof(xof: T) -> Self

Makes a given XOF a [Digest].

Trait Implementations

impl<T, OutputSize> Digest for XofDigest<T, OutputSize>

where T: ExtendableOutput + Update + Default, OutputSize: ArrayLength<u8> + 'static,

fn new() -> Self

Create new hasher instance.

fn new_with_prefix(data: impl AsRef<[u8]>) -> Self

Create new hasher instance which has processed the provided data.

fn update(&mut self, data: impl AsRef<[u8]>)

Process data, updating the internal state.

fn chain_update(self, data: impl AsRef<[u8]>) -> Self

Process input data in a chained manner.

fn finalize(self) -> Output<Self>

Retrieve result and consume hasher instance.

fn finalize_into(self, out: &mut Output<Self>)

Write result into provided array and consume the hasher instance.

fn finalize_reset(&mut self) -> Output<Self>

Retrieve result and reset hasher instance.

fn finalize_into_reset(&mut self, out: &mut Output<Self>)

Write result into provided array and reset the hasher instance.

fn reset(&mut self)

Reset hasher instance to its initial state.

fn output_size() -> usize

Get output size of the hasher

fn digest(data: impl AsRef<[u8]>) -> Output<Self>

Compute hash of data.

impl DigestVerifier<XofDigest<CoreWrapper<Shake256Core>, UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>, Signature> for VerifyingKey

fn verify_digest( &self, digest: Shake256U64, signature: &Signature, ) -> Result<(), SignatureError>

Verify the signature against the given [Digest] output.

impl<T, OutputSize> FixedOutput for XofDigest<T, OutputSize>

where T: ExtendableOutput, OutputSize: ArrayLength<u8> + 'static,

fn finalize_into(self, out: &mut Output<Self>)

Consume value and write result into provided array.

fn finalize_fixed(self) -> GenericArray<u8, Self::OutputSize>

Retrieve result and consume the hasher instance.

impl<T, OutputSize> FixedOutputReset for XofDigest<T, OutputSize>

where T: ExtendableOutput + Default, OutputSize: ArrayLength<u8> + 'static,

fn finalize_into_reset(&mut self, out: &mut Output<Self>)

Write result into provided array and reset the hasher state.

fn finalize_fixed_reset(&mut self) -> GenericArray<u8, Self::OutputSize>

Retrieve result and reset the hasher state.

impl<T, OutputSize> OutputSizeUser for XofDigest<T, OutputSize>

where T: ExtendableOutput, OutputSize: ArrayLength<u8> + 'static,

type OutputSize = OutputSize

Size of the output in bytes.

fn output_size() -> usize

Return output size in bytes.

impl<T, OutputSize> Reset for XofDigest<T, OutputSize>

where T: ExtendableOutput + Default, OutputSize: ArrayLength<u8> + 'static,

fn reset(&mut self)

Reset state to its initial value.

impl<T, OutputSize> Update for XofDigest<T, OutputSize>

where T: ExtendableOutput + Update, OutputSize: ArrayLength<u8> + 'static,

fn update(&mut self, data: &[u8])

Update state using the provided data.

fn chain(self, data: impl AsRef<[u8]>) -> Self

where Self: Sized,

Digest input data in a chained manner.