Trait fdh::XofReader

pub trait XofReader {
    pub fn read(&mut self, buffer: &mut [u8]);

    pub fn read_boxed(&mut self, n: usize) -> Box<[u8], Global> { ... }
}

Trait for describing readers which are used to extract extendable output from XOF (extendable-output function) result.

Required methods

pub fn read(&mut self, buffer: &mut [u8])

Read output into the buffer. Can be called an unlimited number of times.

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Provided methods

pub fn read_boxed(&mut self, n: usize) -> Box<[u8], Global>

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.

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Implementors

impl<H: Digest + Clone> XofReader for FullDomainHash<H> where
    H::OutputSize: Clone, 

fn read(&mut self, buffer: &mut [u8])

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