def group

bend-collections-laws-crypto@1.0.0.0 · src/math/random/chacha8/block.bend:150

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/u64.bend as W

150# the group of the blocks ctr, ctr + 1, ctr + 2, ctr + 3
151def group(+k: Key, +ctr: U32) -> List<&2,W.U64>:
152  interleave(block(k,ctr),block(k,U32.add(ctr,1)),block(k,U32.add(ctr,2)),block(k,U32.add(ctr,3)))