HsOpenSSL-0.3: (Part of) OpenSSL binding for Haskell Contents Index

OpenSSL.Random

Contents Random byte generation

Description

PRNG services See http://www.openssl.org/docs/crypto/rand.html For random Integer generation, see OpenSSL.BN

Synopsis

randBytes :: Int -> IO ByteString prandBytes :: Int -> IO ByteString add :: ByteString -> Int -> IO ()

Random byte generation

randBytes

:: Int the number of bytes requested -> IO ByteString Return a bytestring consisting of the given number of strongly random bytes

prandBytes

:: Int the number of bytes requested -> IO ByteString Return a bytestring consisting of the given number of pseudo random bytes

add

:: ByteString random data to be added to the pool -> Int the number of bits of entropy in the first argument -> IO () Add data to the entropy pool. It's safe to add sensitive information (e.g. user passwords etc) to the pool. Also, adding data with an entropy of 0 can never hurt.

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