Raaz.Hash.Sha256

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

The SHA256 cryptographic hash

data SHA256

The Sha256 hash value.

Instances

Eq SHA256

Methods

(==) :: SHA256 -> SHA256 -> Bool

(/=) :: SHA256 -> SHA256 -> Bool

Show SHA256

Methods

showsPrec :: Int -> SHA256 -> ShowS

show :: SHA256 -> String

showList :: [SHA256] -> ShowS

IsString SHA256

Methods

fromString :: String -> SHA256

Storable SHA256

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

Methods

eq :: SHA256 -> SHA256 -> Result

EndianStore SHA256

Methods

store :: Ptr SHA256 -> SHA256 -> IO ()

load :: Ptr SHA256 -> IO SHA256

adjustEndian :: Ptr SHA256 -> Int -> IO ()

Encodable SHA256

Methods

toByteString :: SHA256 -> ByteString

fromByteString :: ByteString -> Maybe SHA256

unsafeFromByteString :: ByteString -> SHA256

Primitive SHA256

Associated Types

type Implementation SHA256 :: *

Methods

blockSize :: SHA256 -> BYTES Int

Hash SHA256

Methods

additionalPadBlocks :: SHA256 -> BLOCKS SHA256

Initialisable (HashMemory SHA256) ()

Methods

initialise :: () -> MT (HashMemory SHA256) ()

type Implementation SHA256

type Implementation SHA256 = SomeHashI SHA256

sha256 :: PureByteSource src => src -> SHA256

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

Compute the sha256 hash of a file.

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

Compute the sha256 hash of a general byte source.

HMAC computation using SHA256

hmacSha256

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

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)

Compute the message authetication code for a generic byte source.