Struct digest::core_api::RtVariableCoreWrapper

pub struct RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,{ /* private fields */ }

Available on crate feature core-api only.

Wrapper around VariableOutputCore which selects output size at run time.

Trait Implementations

impl<T: Clone> Clone for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,
    T::BlockSize: Clone,
    T::BufferKind: Clone,

fn clone(&self) -> RtVariableCoreWrapper<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T> Debug for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore + AlgorithmName,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

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

Formats the value using the given formatter.

impl<T> Reset for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore + Reset,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

fn reset(&mut self)

Reset state to its initial value.

impl<T> Update for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

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

Update state using the provided data.

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

Digest input data in a chained manner.

impl<T> VariableOutput for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

const MAX_OUTPUT_SIZE: usize = <T::OutputSize>::USIZE

Maximum size of output hash.

fn new(output_size: usize) -> Result<Self, InvalidOutputSize>

Create new hasher instance with the given output size.

fn output_size(&self) -> usize

Get output size of the hasher instance provided to the new method

fn finalize_variable(self, out: &mut [u8]) -> Result<(), InvalidBufferSize>

Write result into the output buffer.

fn digest_variable(
    input: impl AsRef<[u8]>,
    output: &mut [u8]
) -> Result<(), InvalidOutputSize>

Compute hash of data and write it to output.

fn finalize_boxed(self) -> Box<[u8]>

Available on crate feature alloc only.

Retrieve result into a boxed slice and consume hasher.

impl<T> VariableOutputReset for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore + Reset,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

fn finalize_variable_reset(
    &mut self,
    out: &mut [u8]
) -> Result<(), InvalidBufferSize>

Write result into the output buffer and reset the hasher state.

fn finalize_boxed_reset(&mut self) -> Box<[u8]>

Available on crate feature alloc only.

Retrieve result into a boxed slice and reset the hasher state.

impl<T> Write for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + UpdateCore,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

Available on crate feature std only.

fn write(&mut self, buf: &[u8]) -> Result<usize>

Write a buffer into this writer, returning how many bytes were written.

fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers.

fn is_write_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (can_vector)

Determines if this Writer has an efficient write_vectored implementation.

fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

Attempts to write an entire buffer into this writer.

fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

🔬This is a nightly-only experimental API. (write_all_vectored)

Attempts to write multiple buffers into this writer.

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

Writes a formatted string into this writer, returning any error encountered.

fn by_ref(&mut self) -> &mut Selfwhere
    Self: Sized,

Creates a “by reference” adapter for this instance of Write.

impl<T> HashMarker for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + HashMarker,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

impl<T> MacMarker for RtVariableCoreWrapper<T>where
    T: VariableOutputCore + MacMarker,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,

Available on crate feature mac only.