def CrCbc.decrypt

bend-osdev-crypto@0.1.0.0 · modes.bend:201

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-crypto@0.1.0.0/crypto.bend as Cr

201def CrCbc.decrypt(~K: Data, ~Blk: Data, ~bsize: Nat, ~dec: K -> Blk -> Blk, ~bxor: Blk -> Blk -> Blk, ~blk_of: B.Octets -> Maybe<&2, Blk>, ~blk_to: Blk -> B.Octets, +k: K, iv: B.Octets, c: B.Octets) -> Result<&2, &2, Cr.CrError, B.Octets>:
202  do Result<&2, &2, Cr.CrError, B.Octets>:
203    v : Blk <- cr.iv(~Blk, ~blk_of, iv)
204    bs : List<&2, Blk> <- CrModes.blocks_of(~Blk, ~bsize, ~blk_of, c)
205    return CrModes.octets_of(~Blk, ~blk_to, CrCbc.decrypt_blocks(~K, ~Blk, ~dec, ~bxor, k, v, bs))