Network.AWS.Data.Crypto

Conversion

digestToBS :: ByteArrayAccess a => a -> ByteString

digestToBase :: ByteArrayAccess a => Base -> a -> ByteString

Algorithms

hmacSHA256 :: (ByteArrayAccess a, ByteArray b) => a -> b -> HMAC SHA256

hashSHA256 :: ByteArrayAccess a => a -> Digest SHA256

hashMD5 :: ByteArrayAccess a => a -> Digest MD5

Contexts

hash :: (ByteArrayAccess ba, HashAlgorithm a) => ba -> Digest a

Hash a strict bytestring into a digest.

hashlazy :: HashAlgorithm a => ByteString -> Digest a

Hash a lazy bytestring into a digest.

hashInit :: HashAlgorithm a => Context a

Initialize a new context for this hash algorithm

hashUpdate :: (ByteArrayAccess ba, HashAlgorithm a) => Context a -> ba -> Context a

run hashUpdates on one single bytestring and return the updated context.

hashFinalize :: HashAlgorithm a => Context a -> Digest a

Finalize a context and return a digest.

Re-exported

data HMAC a :: * -> *

Represent an HMAC that is a phantom type with the hash used to produce the mac.

The Eq instance is constant time.

Instances

Eq (HMAC a)

Methods

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

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

ByteArrayAccess (HMAC a)

Methods

length :: HMAC a -> Int

withByteArray :: HMAC a -> (Ptr p -> IO a) -> IO a

data Digest a :: * -> *

Represent a digest for a given hash algorithm.

Instances

Eq (Digest a)

Methods

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

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

Ord (Digest a)

Methods

compare :: Digest a -> Digest a -> Ordering

(<) :: Digest a -> Digest a -> Bool

(<=) :: Digest a -> Digest a -> Bool

(>) :: Digest a -> Digest a -> Bool

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

max :: Digest a -> Digest a -> Digest a

min :: Digest a -> Digest a -> Digest a

Show (Digest a)

Methods

showsPrec :: Int -> Digest a -> ShowS

show :: Digest a -> String

showList :: [Digest a] -> ShowS

ByteArrayAccess (Digest a)

Methods

length :: Digest a -> Int

withByteArray :: Digest a -> (Ptr p -> IO a) -> IO a

NFData (Digest a)

Methods

rnf :: Digest a -> ()

ToText (Digest a)

Methods

toText :: Digest a -> Text

class HashAlgorithm a

Class representing hashing algorithms.

The interface presented here is update in place and lowlevel. the Hash module takes care of hidding the mutable interface properly.

Minimal complete definition

hashBlockSize, hashDigestSize, hashInternalContextSize, hashInternalInit, hashInternalUpdate, hashInternalFinalize

Instances

HashAlgorithm SHA256

Methods

hashBlockSize :: SHA256 -> Int

hashDigestSize :: SHA256 -> Int

hashInternalContextSize :: SHA256 -> Int

hashInternalInit :: Ptr (Context SHA256) -> IO ()

hashInternalUpdate :: Ptr (Context SHA256) -> Ptr Word8 -> Word32 -> IO ()

hashInternalFinalize :: Ptr (Context SHA256) -> Ptr (Digest SHA256) -> IO ()

HashAlgorithm MD5

Methods

hashBlockSize :: MD5 -> Int

hashDigestSize :: MD5 -> Int

hashInternalContextSize :: MD5 -> Int

hashInternalInit :: Ptr (Context MD5) -> IO ()

hashInternalUpdate :: Ptr (Context MD5) -> Ptr Word8 -> Word32 -> IO ()

hashInternalFinalize :: Ptr (Context MD5) -> Ptr (Digest MD5) -> IO ()

data SHA256 :: *

SHA256 cryptographic hash algorithm

Constructors

SHA256

Instances

Show SHA256

Methods

showsPrec :: Int -> SHA256 -> ShowS

show :: SHA256 -> String

showList :: [SHA256] -> ShowS

HashAlgorithm SHA256

Methods

hashBlockSize :: SHA256 -> Int

hashDigestSize :: SHA256 -> Int

hashInternalContextSize :: SHA256 -> Int

hashInternalInit :: Ptr (Context SHA256) -> IO ()

hashInternalUpdate :: Ptr (Context SHA256) -> Ptr Word8 -> Word32 -> IO ()

hashInternalFinalize :: Ptr (Context SHA256) -> Ptr (Digest SHA256) -> IO ()

data MD5 :: *

MD5 cryptographic hash algorithm

Constructors

MD5

Instances

Show MD5

Methods

showsPrec :: Int -> MD5 -> ShowS

show :: MD5 -> String

showList :: [MD5] -> ShowS

HashAlgorithm MD5

Methods

hashBlockSize :: MD5 -> Int

hashDigestSize :: MD5 -> Int

hashInternalContextSize :: MD5 -> Int

hashInternalInit :: Ptr (Context MD5) -> IO ()

hashInternalUpdate :: Ptr (Context MD5) -> Ptr Word8 -> Word32 -> IO ()

hashInternalFinalize :: Ptr (Context MD5) -> Ptr (Digest MD5) -> IO ()

data Base :: *

Different bases that can be used

See RFC4648 for details. In particular, Base64 can be standard or URL-safe. URL-safe encoding is often used in other specifications without padding characters.

Constructors

Base16

similar to hexadecimal

Base32

Base64

standard Base64

Base64URLUnpadded

unpadded URL-safe Base64

Base64OpenBSD

Base64 as used in OpenBSD password encoding (such as bcrypt)

Instances

Eq Base

Methods

(==) :: Base -> Base -> Bool

(/=) :: Base -> Base -> Bool

Show Base

Methods

showsPrec :: Int -> Base -> ShowS

show :: Base -> String

showList :: [Base] -> ShowS