def sp.cons_blocks
import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
124def sp.cons_blocks(b: M.CmBlock, s: M.CmSplit) -> {M.cm.split.blocks(M.cm.split.cons(b, s)) == Con{b, M.cm.split.blocks(s)} : List<&2, M.CmBlock>}:
125 match s:
126 case M.CmSplit{bs, t}:
127 {==}