def cbc.dec.fast
import bend-osdev-cipher-modes@0.1.0.0/cbc.bend as Cbcimport Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
53def cbc.dec.fast(~K: Data, ~dec: K -> M.CmBlock -> M.CmBlock, +k: K, bs: List<&2, M.CmBlock>, iv: M.CmBlock) -> List<&2, M.CmBlock>:
54 cbc.dec.go(~K, ~dec, k, bs, iv, Nil{})