sig
type key
val of_secret : Cstruct.t -> Nocrypto.Cipher_block.S.CBC.key
val key_sizes : int array
val block_size : int
val next_iv : iv:Cstruct.t -> Cstruct.t -> Cstruct.t
val encrypt :
key:Nocrypto.Cipher_block.S.CBC.key ->
iv:Cstruct.t -> Cstruct.t -> Cstruct.t
val decrypt :
key:Nocrypto.Cipher_block.S.CBC.key ->
iv:Cstruct.t -> Cstruct.t -> Cstruct.t
end