Safe Haskell	None
Language	Haskell2010

Raaz.Hash.Sha256

Contents

The SHA256 cryptographic hash
HMAC computation using SHA256

Description

This module exposes combinators to compute the SHA256 hash and the associated HMAC for some common types.

Synopsis

data SHA256
sha256 :: PureByteSource src => src -> SHA256
sha256File :: FilePath -> IO SHA256
sha256Source :: ByteSource src => src -> IO SHA256
hmacSha256 :: PureByteSource src => Key (HMAC SHA256) -> src -> HMAC SHA256
hmacSha256File :: Key (HMAC SHA256) -> FilePath -> IO (HMAC SHA256)
hmacSha256Source :: ByteSource src => Key (HMAC SHA256) -> src -> IO (HMAC SHA256)

The SHA256 cryptographic hash

data SHA256 Source #

The Sha256 hash value.

Instances

Eq SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods (==) :: SHA256 -> SHA256 -> Bool # (/=) :: SHA256 -> SHA256 -> Bool #
Show SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods showsPrec :: Int -> SHA256 -> ShowS # show :: SHA256 -> String # showList :: [SHA256] -> ShowS #
IsString SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods fromString :: String -> SHA256 #
Storable SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods sizeOf :: SHA256 -> Int # alignment :: SHA256 -> Int # peekElemOff :: Ptr SHA256 -> Int -> IO SHA256 # pokeElemOff :: Ptr SHA256 -> Int -> SHA256 -> IO () # peekByteOff :: Ptr b -> Int -> IO SHA256 # pokeByteOff :: Ptr b -> Int -> SHA256 -> IO () # peek :: Ptr SHA256 -> IO SHA256 # poke :: Ptr SHA256 -> SHA256 -> IO () #
Equality SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods eq :: SHA256 -> SHA256 -> Result Source #
EndianStore SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods store :: Ptr SHA256 -> SHA256 -> IO () Source # load :: Ptr SHA256 -> IO SHA256 Source # adjustEndian :: Ptr SHA256 -> Int -> IO () Source #
Encodable SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods toByteString :: SHA256 -> ByteString Source # fromByteString :: ByteString -> Maybe SHA256 Source # unsafeFromByteString :: ByteString -> SHA256 Source #
Recommendation SHA256 Source #	Recommended implementation for SHA256.
Instance details Defined in Raaz.Hash.Sha256.Recommendation Methods recommended :: SHA256 -> Implementation SHA256 Source #
Primitive SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Associated Types type Implementation SHA256 :: Type Source # Methods blockSize :: SHA256 -> BYTES Int Source #
Hash SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods additionalPadBlocks :: SHA256 -> BLOCKS SHA256 Source #
Initialisable (HashMemory SHA256) () Source #
Instance details Defined in Raaz.Hash.Sha256.Internal Methods initialise :: () -> MT (HashMemory SHA256) () Source #
type Implementation SHA256 Source #
Instance details Defined in Raaz.Hash.Sha256.Internal type Implementation SHA256 = SomeHashI SHA256

sha256 :: PureByteSource src => src -> SHA256 Source #

Compute the sha256 hash of an instance of PureByteSource. Use this for computing the sha256 hash of a strict or lazy byte string.

sha256File :: FilePath -> IO SHA256 Source #

Compute the sha256 hash of a file.

sha256Source :: ByteSource src => src -> IO SHA256 Source #

Compute the sha256 hash of a general byte source.

HMAC computation using SHA256

hmacSha256 Source #

Arguments

:: PureByteSource src
=> Key (HMAC SHA256)	Key to use
-> src	pure source whose hmac is to be computed
-> HMAC SHA256

Compute the message authentication code using hmac-sha256.

hmacSha256File Source #

Arguments

:: Key (HMAC SHA256)	Key to use
-> FilePath	File whose hmac is to be computed
-> IO (HMAC SHA256)

Compute the message authentication code for a file.

hmacSha256Source :: ByteSource src => Key (HMAC SHA256) -> src -> IO (HMAC SHA256) Source #

Compute the message authetication code for a generic byte source.