pub fn derive_chunk_set_id(id: &Md1EncodingId) -> u32Expand description
Derive the 20-bit chunk-set-id from a Md1EncodingId by taking the
top 20 bits of the underlying 16-byte hash, MSB-first.
The chunk-set-id groups chunks belonging to the same encoded payload.
Returned value is in the range 0..=0xFFFFF.