sig
type key
val of_secret : maclen:int -> Cstruct.t -> Nocrypto.Cipher_block.S.CCM.key
val key_sizes : int array
val mac_sizes : int array
val block_size : int
val encrypt :
key:Nocrypto.Cipher_block.S.CCM.key ->
nonce:Cstruct.t -> ?adata:Cstruct.t -> Cstruct.t -> Cstruct.t
val decrypt :
key:Nocrypto.Cipher_block.S.CCM.key ->
nonce:Cstruct.t -> ?adata:Cstruct.t -> Cstruct.t -> Cstruct.t option
end