def cbc_dec_pub
import bend-osdev-crypto@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-crypto@0.1.0.0/modes.bend as Md
310def cbc_dec_pub(~K: Data, ~Blk: Data, ~dec: K -> Blk -> Blk, ~bxor: Blk -> Blk -> Blk, +k: K, bs: List<&2, Blk>, +iv: Blk) -> {Md.cr.cbc.dec.go(~K, ~Blk, ~dec, ~bxor, k, bs, iv, Nil{}) == Md.cr.cbc.dec(~K, ~Blk, ~dec, ~bxor, k, bs, iv) : List<&2, Blk>}:
311 cbc_dec_tr(~K, ~Blk, ~dec, ~bxor, k, bs, iv, Nil{})