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quarter_round

Function quarter_round 

Source
pub(crate) fn quarter_round(
    a: usize,
    b: usize,
    c: usize,
    d: usize,
    state: &mut [u32; 16],
)
Expand description

The ChaCha20 quarter round function

We located this function in the root of the crate as we want it to be available for the soft backend and for xchacha.