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Parallel brute force: Difference between revisions
added Haskell
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mmmmm 74e1bb62f8dabb8125a58852b63bdf6eaef667cb56ac7f7cdba6d7305c50a22f
</pre>
=={{header|Haskell}}==
<lang haskell>{-# LANGUAGE OverloadedStrings #-}
import Data.Text (Text, pack)
import Data.Text.Encoding (encodeUtf8)
import Crypto.Hash (hashWith, SHA256 (..), Digest, digestFromByteString)
import Control.Monad (replicateM, join)
import Data.List.Split (chunksOf)
import Control.Monad.Par (runPar, get, spawnP)
import Text.Printf (printf)
hashedValues :: [Digest SHA256]
hashedValues = fmap read
[ "3a7bd3e2360a3d29eea436fcfb7e44c735d117c42d1c1835420b6b9942dd4f1b"
, "74e1bb62f8dabb8125a58852b63bdf6eaef667cb56ac7f7cdba6d7305c50a22f"
, "1115dd800feaacefdf481f1f9070374a2a81e27880f187396db67958b207cbad"
]
wordVariations :: [Text]
wordVariations = pack <$> replicateM 5 ['a'..'z']
bruteForce :: [Text] -> [(String, Text)]
bruteForce xs = runPar $ do
pars <- mapM (spawnP . foldr findMatch []) chunks
result <- mapM get pars
pure $ join result
where
chunks = chunksOf (26 ^ 4 * 26 `div` 10) xs
findMatch s accum
| hashed `elem` hashedValues = (show hashed, s) : accum
| otherwise = accum
where
hashed = hashWith SHA256 (encodeUtf8 s)
main :: IO ()
main = mapM_ (uncurry (printf "%s -> %s\n")) (bruteForce wordVariations)</lang>
{{out}}
<pre>3a7bd3e2360a3d29eea436fcfb7e44c735d117c42d1c1835420b6b9942dd4f1b -> apple
74e1bb62f8dabb8125a58852b63bdf6eaef667cb56ac7f7cdba6d7305c50a22f -> mmmmm
1115dd800feaacefdf481f1f9070374a2a81e27880f187396db67958b207cbad -> zyzzx
</pre>
=={{header|Java}}==
{{works with |Java| 1.5}}
| |||