Trait digest::XofReader [−][src]
Trait for describing readers which are used to extract extendable output from XOF (extendable-output function) result.
Required methods
fn read(&mut self, buffer: &mut [u8])
[src]
Read output into the buffer
. Can be called an unlimited number of times.
Provided methods
fn read_boxed(&mut self, n: usize) -> Box<[u8]>
[src]
Read output into a boxed slice of the specified size.
Can be called an unlimited number of times in combination with read
.
Box<[u8]>
is used instead of Vec<u8>
to save stack space, since
they have size of 2 and 3 words respectively.