Struct sha2::Sha256

pub struct Sha256 { /* fields omitted */ }

The SHA-256 hash algorithm with the SHA-256 initial hash value.

Trait Implementations

impl Clone for Sha256

Important traits for Sha256

impl Write for Sha256

fn clone(&self) -> Sha256

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for Sha256

fn default() -> Self

Returns the "default value" for a type.

impl BlockInput for Sha256

type BlockSize = U64

impl Input for Sha256

fn input<B: AsRef<[u8]>>(&mut self, input: B)

Digest input data.

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

Digest input data in a chained manner.

impl FixedOutput for Sha256

type OutputSize = U32

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

Retrieve result and consume hasher instance.

impl Reset for Sha256

fn reset(&mut self)

Reset hasher instance to its initial state and return current state.

impl Debug for Sha256

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

Formats the value using the given formatter.

impl Write for Sha256

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

Write a buffer into this object, 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_all(&mut self, buf: &[u8]) -> Result<(), Error>

Attempts to write an entire buffer into this write.

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

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

Important traits for &'a mut I

impl<'a, I> Iterator for &'a mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, 

fn by_ref(&mut self) -> &mut Self

Creates a "by reference" adaptor for this instance of Write.