Trait digest::VariableOutput [−][src]
Trait for returning digest result with the variable size
Required methods
fn new(output_size: usize) -> Result<Self, InvalidOutputSize>
[src]
Create new hasher instance with the given output size.
It will return Err(InvalidOutputSize)
in case if hasher can not return
specified output size. It will always return an error if output size
equals to zero.
fn output_size(&self) -> usize
[src]
Get output size of the hasher instance provided to the new
method
fn finalize_variable(self, f: impl FnOnce(&[u8]))
[src]
Retrieve result via closure and consume hasher.
Closure is guaranteed to be called, length of the buffer passed to it
will be equal to output_size
.
fn finalize_variable_reset(&mut self, f: impl FnOnce(&[u8]))
[src]
Retrieve result via closure and reset the hasher state.
Closure is guaranteed to be called, length of the buffer passed to it
will be equal to output_size
.
Provided methods
fn finalize_boxed(self) -> Box<[u8]>
[src]
Retrieve result into a boxed slice and consume hasher.
Box<[u8]>
is used instead of Vec<u8>
to save stack space, since
they have size of 2 and 3 words respectively.
fn finalize_boxed_reset(&mut self) -> Box<[u8]>
[src]
Retrieve result into a boxed slice and reset hasher state.
Box<[u8]>
is used instead of Vec<u8>
to save stack space, since
they have size of 2 and 3 words respectively.