Struct digest::core_api::RtVariableCoreWrapper

pub struct RtVariableCoreWrapper<T>
where
    T: VariableOutputCore + UpdateCore,
    T::BlockSize: IsLess<U256>,
    Le<T::BlockSize, U256>: NonZero,
{
    core: T,
    buffer: BlockBuffer<T::BlockSize, T::BufferKind>,
    output_size: usize,
}

Wrapper around VariableOutputCore which selects output size at run time.

Fields

core: T

buffer: BlockBuffer<T::BlockSize, T::BufferKind>

output_size: usize

Implementations

impl<T> RtVariableCoreWrapper<T>

where T: VariableOutputCore, T::BlockSize: IsLess<U256>, Le<T::BlockSize, U256>: NonZero,

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

Trait Implementations

impl<T> Clone for RtVariableCoreWrapper<T>

where T: VariableOutputCore + UpdateCore + Clone, T::BlockSize: IsLess<U256> + Clone, Le<T::BlockSize, U256>: NonZero, 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]>) -> Self

where 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]>

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]>

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,

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

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

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

Flushes 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 Self

where 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,