pub fn apply_mask(mask: [u8; 4], payload_chunk: &mut [u8], phase: u8)Expand description
Apply WebSocket masking to the giben block of data.
phase is a number from 0 to 3, meaning zeroeth byte a payload_chunk should be
masked with phase’s byte of mask.
Crate features unoptimised_maskin, explicitly_aligned_masking and masking_slice_size_{4,8,16,32} affect implementation of this function.