base64url package:memory

Base64URLUnpadded :: Base
memory Data.ByteArray.Encoding
unpadded URL-safe Base64
fromBase64URLUnpadded :: Ptr Word8 -> Ptr Word8 -> Int -> IO (Maybe Int)
memory Data.Memory.Encoding.Base64
toBase64URL :: Bool -> Ptr Word8 -> Ptr Word8 -> Int -> IO ()
memory Data.Memory.Encoding.Base64
Transform a number of bytes pointed by src to, URL-safe base64 binary representation in dst. The result will be either padded or unpadded, depending on the boolean padded argument. The destination memory need to be of correct size, otherwise it will lead to really bad things.