-- Hoogle documentation, generated by Haddock -- See Hoogle, http://www.haskell.org/hoogle/ -- | A platform independent entropy source -- -- A platform independent method to obtain cryptographically strong -- entropy (urandom on Linux, CryptAPI on Windows, patches welcome). -- Users looking for cryptographically strong (number-theoretically -- sound) PRNGs should see the DRBG package too! @package entropy @version 0.2 -- | Obtain entropy from system sources. Currently, windows and *nix -- systems with a devurandom are supported. module System.Entropy -- | Inefficiently get a specific number of bytes of cryptographically -- secure random data using the system-specific facilities. -- -- Use '/dev/urandom' on *nix and CryptAPI when on Windows. In short, -- this entropy is considered cryptographically secure but not -- true entropy. getEntropy :: Int -> IO ByteString -- | Handle for manual resource mangement data CryptHandle -- | Open a CryptHandle openHandle :: IO CryptHandle -- | Read random data from a CryptHandle hGetEntropy :: CryptHandle -> Int -> IO ByteString -- | Close the CryptHandle closeHandle :: CryptHandle -> IO ()