Copyright	(c) 2013-2016 Brendan Hay
License	Mozilla Public License, v. 2.0.
Maintainer	Brendan Hay <brendan.g.hay@gmail.com>
Stability	provisional
Portability	non-portable (GHC extensions)
Safe Haskell	None
Language	Haskell2010

Network.AWS.Data.Crypto

Contents

Conversion
Algorithms
Contexts
Re-exported

Description

Synopsis

Conversion

digestToBS :: ByteArrayAccess a => a -> ByteString Source #

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

Algorithms

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

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

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

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) Source #
Methods toText :: Digest a -> Text Source #

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 #