Crypto.Classical.Cipher.Vigenere

Documentation

newtype Vigenère a

A Vigenère Cipher is just a Stream Cipher with a finite key, shorter than the length of the plaintext. The key is repeated for the entire length of the plaintext.

Constructors

Vigenère

Fields

• _vigenère :: a

Instances

Monad Vigenère

Defined in Crypto.Classical.Cipher.Vigenere

Methods

(>>=) :: Vigenère a -> (a -> Vigenère b) -> Vigenère b

(>>) :: Vigenère a -> Vigenère b -> Vigenère b

return :: a -> Vigenère a

fail :: String -> Vigenère a

Functor Vigenère

Defined in Crypto.Classical.Cipher.Vigenere

Methods

fmap :: (a -> b) -> Vigenère a -> Vigenère b

(<$) :: a -> Vigenère b -> Vigenère a

Applicative Vigenère

Defined in Crypto.Classical.Cipher.Vigenere

Methods

pure :: a -> Vigenère a

(<*>) :: Vigenère (a -> b) -> Vigenère a -> Vigenère b

liftA2 :: (a -> b -> c) -> Vigenère a -> Vigenère b -> Vigenère c

(*>) :: Vigenère a -> Vigenère b -> Vigenère b

(<*) :: Vigenère a -> Vigenère b -> Vigenère a

Eq a => Eq (Vigenère a)

Defined in Crypto.Classical.Cipher.Vigenere

Methods

(==) :: Vigenère a -> Vigenère a -> Bool

(/=) :: Vigenère a -> Vigenère a -> Bool

Show a => Show (Vigenère a)

Defined in Crypto.Classical.Cipher.Vigenere

Methods

showsPrec :: Int -> Vigenère a -> ShowS

show :: Vigenère a -> String

showList :: [Vigenère a] -> ShowS

Cipher [ℤ / 26] Vigenère

Defined in Crypto.Classical.Cipher.Vigenere

Methods

encrypt :: [ℤ / 26] -> ByteString -> Vigenère ByteString

decrypt :: [ℤ / 26] -> ByteString -> Vigenère ByteString

vigKey :: ByteString -> [ℤ / 26] -> [ℤ / 26]

Determine a Vigenère key from a Stream key. Weakness here: key length is a factor of the plaintext length.