diff --git a/ChangeLog.md b/ChangeLog.md new file mode 100644 --- /dev/null +++ b/ChangeLog.md @@ -0,0 +1,5 @@ +# Changelog for qnap-decrypt + +## 0.3.0 -- 2018-04-28 + +* Initial release diff --git a/LICENSE b/LICENSE new file mode 100644 --- /dev/null +++ b/LICENSE @@ -0,0 +1,30 @@ +Copyright ALeX Kazik (c) 2018 + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Author name here nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/README.md b/README.md new file mode 100644 --- /dev/null +++ b/README.md @@ -0,0 +1,38 @@ +qnap-decrypt +============ + +A program (and library) to decrypt files encoded by QNAP's Hybrid Backup Sync. + + +Installation +------------ + +1. [Install Stack](https://docs.haskellstack.org/en/stable/install_and_upgrade/) +2. Download/clone this repo +3. `cd` into it +4. `stack install` + + - You may have to add the path of the installation to your PATH or always use the full path + + +Usage +----- + +The program supports four modes: + +- Decrypt a single file or +- Decrypt a full directory tree +- Replace the decrypted file(s) or +- Save the file/directory to a new file/directory + +Example: + +``` +qnap-decrypt file -p password -s source.file -d target.file +``` + + +Thanks +------ + +- [Mikiya83](https://github.com/Mikiya83) for hbs_decipher which I used to learn about the file structure diff --git a/Setup.hs b/Setup.hs new file mode 100644 --- /dev/null +++ b/Setup.hs @@ -0,0 +1,2 @@ +import Distribution.Simple +main = defaultMain diff --git a/app/Main.hs b/app/Main.hs new file mode 100644 --- /dev/null +++ b/app/Main.hs @@ -0,0 +1,227 @@ +{-# LANGUAGE RecordWildCards #-} + +module Main + ( main + ) where + +import Control.Exception (displayException) +import Control.Monad (void, when) +import Data.Semigroup ((<>)) +import qualified Options.Applicative as O +import System.Directory (createDirectoryIfMissing, doesDirectoryExist, doesFileExist, listDirectory, + renameFile) +import System.FilePath (takeDirectory, takeFileName, ()) +import System.IO (hClose, hPutStrLn, openBinaryTempFile, stderr) + +import Crypto.QNAP (decrypt) + +data Command + = Command + { commandSingleFile :: Bool + , commandInline :: Bool + , commandPassword :: String + , commandSource :: String + , commandDestination :: String + , commandVerbose :: Bool + } + deriving (Show) + +command :: O.Parser Command +command = + O.hsubparser $ + O.command + "dir" + ( O.info + parseDirectory + (O.progDesc "decrypt a directory") + ) <> + O.command + "dir-in-place" + ( O.info + parseDirectoryInPlace + (O.progDesc "decrypt a directory in place") + ) <> + O.command + "file" + ( O.info + parseFile + (O.progDesc "decrypt a file") + ) <> + O.command + "file-in-place" + ( O.info + parseFileInPlace + (O.progDesc "decrypt a file in place") + ) + where + parseDirectory = + Command False False + <$> O.strOption + ( O.long "password" + <> O.short 'p' + <> O.metavar "PASS" + <> O.help "Password" + ) + <*> O.strOption + ( O.long "source" + <> O.short 's' + <> O.metavar "SRC" + <> O.help "Directory to be decrypted" + ) + <*> O.strOption + ( O.long "destination" + <> O.short 'd' + <> O.metavar "DST" + <> O.help "Directory to store the decrypted files" + ) + <*> O.switch + ( O.long "verbose" + <> O.short 'v' + <> O.help "Print all decrypted files" + ) + parseDirectoryInPlace = + Command False True + <$> O.strOption + ( O.long "password" + <> O.short 'p' + <> O.metavar "PASS" + <> O.help "Password" + ) + <*> O.strOption + ( O.long "directory" + <> O.short 'd' + <> O.metavar "DIR" + <> O.help "Directory to be decrypted in place" + ) + <*> pure "" + <*> O.switch + ( O.long "verbose" + <> O.short 'v' + <> O.help "Print all decrypted files" + ) + parseFile = + Command True False + <$> O.strOption + ( O.long "password" + <> O.short 'p' + <> O.metavar "PASS" + <> O.help "Password" + ) + <*> O.strOption + ( O.long "source" + <> O.short 's' + <> O.metavar "SRC" + <> O.help "File to be decrypted" + ) + <*> O.strOption + ( O.long "destination" + <> O.short 'd' + <> O.metavar "DST" + <> O.help "File/directory to store the decrypted file" + ) + <*> O.switch + ( O.long "verbose" + <> O.short 'v' + <> O.help "Print all decrypted files" + ) + parseFileInPlace = + Command True True + <$> O.strOption + ( O.long "password" + <> O.short 'p' + <> O.metavar "PASS" + <> O.help "Password" + ) + <*> O.strOption + ( O.long "file" + <> O.short 'f' + <> O.metavar "FILE" + <> O.help "File to be decrypted in place" + ) + <*> pure "" + <*> O.switch + ( O.long "verbose" + <> O.short 'v' + <> O.help "Print all decrypted files" + ) + +main :: IO () +main = do + Command{..} <- + O.execParser $ + O.info (command O.<**> O.helper) + ( O.fullDesc + <> O.progDesc "Decrypt QNAP files/folders" + <> O.footer "WARNING: The target file/directory will be overwritten" + ) + case (commandSingleFile, commandInline) of + (False, False) -> cmdDir commandVerbose commandPassword [(commandSource, commandDestination)] + (False, True) -> cmdDirInPlace commandVerbose commandPassword [commandSource] + (True, False) -> cmdFile commandVerbose commandPassword commandSource commandDestination + (True, True) -> cmdFileInPlace commandVerbose commandPassword commandSource + +cmdDir :: Bool -> String -> [(FilePath, FilePath)] -> IO () +cmdDir verbose pass = go + where + go [] = return () + go ((src, dst):stack) = do + isFile <- doesFileExist src + isDir <- doesDirectoryExist src + case (isFile, isDir) of + (True, False) -> do + cmdFile verbose pass src dst + go stack + (False, True) -> do + files <- listDirectory src + createDirectoryIfMissing True dst + go (map (\file -> (src file, dst file)) files ++ stack) + _ -> + return () + +cmdDirInPlace :: Bool -> String -> [FilePath] -> IO () +cmdDirInPlace verbose pass = go + where + go [] = return () + go (entry:stack) = do + isFile <- doesFileExist entry + isDir <- doesDirectoryExist entry + case (isFile, isDir) of + (True, False) -> do + cmdFileInPlace verbose pass entry + go stack + (False, True) -> do + files <- listDirectory entry + go (map (entry ) files ++ stack) + _ -> + return () + +cmdFile :: Bool -> String -> FilePath -> FilePath -> IO () +cmdFile verbose pass src dst = do + dstIsDir <- doesDirectoryExist dst + let + dst' = + if dstIsDir + then dst takeFileName src + else dst + void $ decrypt' verbose pass src dst' + +cmdFileInPlace :: Bool -> String -> FilePath -> IO () +cmdFileInPlace verbose pass file = do + (tempFileName, tmpHandle) <- openBinaryTempFile (takeDirectory file) (takeFileName file ++ ".temp.qnap") + hClose tmpHandle + success <- decrypt' verbose pass file tempFileName + -- the decrypt removes the output file in case of an error -> no need to do it here also + when success $ + renameFile tempFileName file + +decrypt' :: Bool -> String -> FilePath -> FilePath -> IO Bool +decrypt' verbose pass src dst = do + result <- decrypt pass src dst + case result of + Just err -> do + hPutStrLn stderr (src ++ ": " ++ displayException err) + return False + Nothing -> do + when verbose $ + hPutStrLn stderr (src ++ ": OK") + return True diff --git a/qnap-decrypt.cabal b/qnap-decrypt.cabal new file mode 100644 --- /dev/null +++ b/qnap-decrypt.cabal @@ -0,0 +1,115 @@ +cabal-version: >=1.10 +name: qnap-decrypt +version: 0.3.0 +license: BSD3 +license-file: LICENSE +copyright: 2018 ALeX Kazik +maintainer: alex@kazik.de +author: ALeX Kazik +homepage: https://github.com/alexkazik/qnap-decrypt#readme +bug-reports: https://github.com/alexkazik/qnap-decrypt/issues +synopsis: Decrypt files encrypted by QNAP's Hybrid Backup Sync +description: + Please see the README on Github at +category: Cryptography +build-type: Simple +data-files: + test/encrypted/c0 + test/encrypted/c1 + test/encrypted/c2 + test/encrypted/c3 + test/encrypted/c4 + test/encrypted/c5 + test/encrypted/u0 + test/encrypted/u1 + test/encrypted/u2 + test/encrypted/u3 + test/encrypted/u4 + test/encrypted/u5 + test/reference/c0 + test/reference/c1 + test/reference/c2 + test/reference/c3 + test/reference/c4 + test/reference/c5 + test/reference/u0 + test/reference/u1 + test/reference/u2 + test/reference/u3 + test/reference/u4 + test/reference/u5 +extra-source-files: + ChangeLog.md + README.md + +source-repository head + type: git + location: https://github.com/alexkazik/qnap-decrypt + +library + exposed-modules: + Crypto.QNAP + Data.Conduit.Crypto + hs-source-dirs: src + other-modules: + Paths_qnap_decrypt + default-language: Haskell2010 + build-depends: + base >=4.10 && <5, + binary >=0.6.4 && <0.9, + bytestring >=0.10.0.0 && <0.11, + cipher-aes128 >=0.1 && <0.8, + conduit >=1.3.0 && <1.4, + conduit-extra >=0.3.0 && <1.4, + crypto-api >=0.13.3 && <0.14, + directory >=1.2.7 && <1.4, + streaming-commons >=0.1.0.0 && <0.2, + tagged >=0.8.5 && <0.9, + utf8-string >=1.0.1.1 && <1.1 + +executable qnap-decrypt + main-is: Main.hs + hs-source-dirs: app + other-modules: + Paths_qnap_decrypt + default-language: Haskell2010 + build-depends: + base >=4.10 && <5, + binary >=0.6.4 && <0.9, + bytestring >=0.10.0.0 && <0.11, + cipher-aes128 >=0.1 && <0.8, + conduit >=1.3.0 && <1.4, + conduit-extra >=0.3.0 && <1.4, + crypto-api >=0.13.3 && <0.14, + directory >=1.2.7 && <1.4, + filepath >=1.4.1.2 && <1.5, + optparse-applicative >=0.14.2.0 && <0.15, + qnap-decrypt -any, + streaming-commons >=0.1.0.0 && <0.2, + tagged >=0.8.5 && <0.9, + utf8-string >=1.0.1.1 && <1.1 + +test-suite qnap-decrypt-test + type: exitcode-stdio-1.0 + main-is: Spec.hs + hs-source-dirs: test + other-modules: + Paths_qnap_decrypt + default-language: Haskell2010 + build-depends: + HUnit >=1.6.0.0 && <1.7, + base >=4.10 && <5, + binary >=0.6.4 && <0.9, + bytestring >=0.10.0.0 && <0.11, + cipher-aes128 >=0.1 && <0.8, + conduit >=1.3.0 && <1.4, + conduit-extra >=0.3.0 && <1.4, + crypto-api >=0.13.3 && <0.14, + directory >=1.2.7 && <1.4, + filepath >=1.4.1.2 && <1.5, + hspec >=2.4.8 && <2.5, + qnap-decrypt -any, + streaming-commons >=0.1.0.0 && <0.2, + tagged >=0.8.5 && <0.9, + temporary >=1.2.1.1 && <1.3, + utf8-string >=1.0.1.1 && <1.1 diff --git a/src/Crypto/QNAP.hs b/src/Crypto/QNAP.hs new file mode 100644 --- /dev/null +++ b/src/Crypto/QNAP.hs @@ -0,0 +1,143 @@ +-- | This is the heart of the qnap-decrypt package. It provides the function +-- to decrypt the files encryped by QNAP's Hybrid Backup Sync. +{-# LANGUAGE ScopedTypeVariables #-} + +module Crypto.QNAP + ( + -- * Decrypt + decrypt + -- * Errors + , DecryptError(..) + ) where + +import Control.Exception (Exception (displayException), IOException, catch, handle, throw, throwIO) +import Control.Monad (when) +import Crypto.Cipher.AES128 (AESKey256) +import Crypto.Classes (BlockCipher (buildKey, unCbc, unEcb), IV (IV)) +import Data.Binary.Get (Get, getByteString, getWord64be, runGetOrFail) +import Data.Bool (bool) +import Data.ByteString (ByteString) +import qualified Data.ByteString as BS +import qualified Data.ByteString.Lazy as BL +import qualified Data.ByteString.UTF8 as BSU +import Data.Conduit (awaitForever, runConduitRes, yield, (.|)) +import Data.Conduit.Combinators (sinkFile, sourceHandle) +import Data.Conduit.Zlib (decompress, defaultWindowBits) +import Data.Maybe (fromMaybe, isJust) +import Data.Streaming.Zlib (ZlibException) +import System.Directory (getFileSize, removeFile) +import System.IO (IOMode (ReadMode), withBinaryFile) + +import Data.Conduit.Crypto + +-- | Errors the decrypter could run into +-- +-- The Exception instance has a specialized 'displayException' function +-- which renders the error in english text (unlike 'show' which just displays the constructor). +-- +-- /Since 0.3.0/ +data DecryptError + = PasswordEmpty -- ^ Password is empty + | InvalidKey -- ^ Invalid encryption key + | UnknownFileType -- ^ Unknown file type (the file is not encrypted or it's version is not known) + | BadMagic -- ^ Bad Magic (probably wrong password) + | HeaderDecodeError String -- ^ Error decoding the header: \ + | PaddingError -- ^ Padding is corrupt (probably damaged file) + | IOError IOException -- ^ IO Exception: \ + | ZlibError ZlibException -- ^ Decompression Exception: \ (probably damaged file) + | FileSizeMismatch -- ^ File size is different than excepted (probably damaged file) + deriving (Show) + +instance Exception DecryptError where + displayException PasswordEmpty = "Password is empty" + displayException InvalidKey = "Invalid encryption key" + displayException UnknownFileType = "Unknown file type (the file is not encrypted or it's version is not known)" + displayException BadMagic = "Bad Magic (probably wrong password)" + displayException (HeaderDecodeError e) = "Error decoding the header: " ++ e + displayException PaddingError = "Padding is corrupt (probably damaged file)" + displayException (IOError e) = "IO Exception: " ++ displayException e + displayException (ZlibError e) = "Decompression Exception: " ++ displayException e ++ " (probably damaged file)" + displayException FileSizeMismatch = "File size is different than excepted (probably damaged file)" + +-- Internal structure +newtype QNAPFileType + = QNAPFileType + { isCompressed :: Bool + } + +-- | Decrypt a QNAP encoded file (does not throw an exception) +-- +-- /Since 0.3.0/ +decrypt + :: String -- ^ The password + -> FilePath -- ^ The source file + -> FilePath -- ^ The target file + -> IO (Maybe DecryptError) -- ^ Returns an error or 'Nothing' in case of a success +decrypt password inName outName = cleanup $ withBinaryFile inName ReadMode $ \inHandle -> do + when (null password) + (throwIO PasswordEmpty) + let + keyHeader = buildAESKey256 (BSU.fromString (take 32 (cycle password))) + fileType <- detectFileType <$> BS.hGet inHandle 16 + header <- unEcb keyHeader <$> BS.hGet inHandle 64 + let + (keyBody, iv, size) = + runGet' + HeaderDecodeError + getFileHeader + (BL.fromStrict header) + runConduitRes $ + sourceHandle inHandle .| + decryptPaddedStream PaddingError defaultChunkSize (unCbc keyBody) iv .| + (bool (awaitForever yield) (decompress defaultWindowBits) (isCompressed fileType)) .| + sinkFile outName + outSize <- getFileSize outName + when (outSize /= size) + (throwIO FileSizeMismatch) + return Nothing + where + cleanup action = do + result <- + handle (\e -> return (Just (ZlibError e))) $ + handle (\e -> return (Just (IOError e))) $ + handle (\e -> return (Just e)) $ + action + when (isJust result) $ + removeFile outName `catch` (\(_ :: IOException) -> return ()) + return result + +-- Detect file type +detectFileType :: ByteString -> QNAPFileType +detectFileType header + | header == BS.pack [0x4b, 0xca, 0x94, 0x72, 0x5e, 0x83, 0x1c, 0x31, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00] = + QNAPFileType {isCompressed = False} + | header == BS.pack [0x4b, 0xca, 0x94, 0x72, 0x5e, 0x83, 0x1c, 0x31, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00] = + QNAPFileType {isCompressed = True} + | otherwise = + throw UnknownFileType + +-- Read the file header +getFileHeader :: Get (AESKey256, IV cipher, Integer) +getFileHeader = do + magic <- getByteString 8 + when (magic /= BS.pack [0x4b, 0xca, 0x94, 0x72, 0x5e, 0x83, 0x1c, 0x31]) + (throw BadMagic) + keyBody <- getByteString 32 + iv <- getByteString 16 + size <- getWord64be + return (buildAESKey256 keyBody, IV iv, toInteger size) + +-- Generate key +buildAESKey256 :: ByteString -> AESKey256 +buildAESKey256 = fromMaybe (throw InvalidKey) . buildKey + +-- A version of runGet which: +-- 1. raises an exception (instead of error) +-- 2. fails when not all bytes are consumed +runGet' :: Exception e => (String -> e) -> Get a -> BL.ByteString -> a +runGet' ex g b = go (runGetOrFail g b) + where + go (Right (bs, _, r)) + | BL.null bs = r + | otherwise = throw (ex "Not all bytes are consumed") + go (Left (_, _, e)) = throw (ex e) diff --git a/src/Data/Conduit/Crypto.hs b/src/Data/Conduit/Crypto.hs new file mode 100644 --- /dev/null +++ b/src/Data/Conduit/Crypto.hs @@ -0,0 +1,66 @@ +-- | This module provides a function to decrypt a padded and encrypted +-- stream of 'ByteString's. + +{-# LANGUAGE ScopedTypeVariables #-} + +module Data.Conduit.Crypto + ( -- * Decrypt + decryptPaddedStream + -- * Re-Export + , defaultChunkSize + ) where + +import Control.Exception (Exception, throw) +import Crypto.Classes (BlockCipher, ByteLength, IV, blockSizeBytes) +import Crypto.Padding (unpadPKCS5safe) +import Data.ByteString (ByteString) +import qualified Data.ByteString as BS +import Data.ByteString.Builder.Extra (defaultChunkSize) +import qualified Data.ByteString.Lazy as BL +import Data.Conduit (ConduitT, yield) +import qualified Data.Conduit.Binary as CB +import Data.Tagged (Tagged, untag) + +-- | Decrypt a PKCS padded and encrypted stream of 'ByteString's +-- +-- @ +-- runConduitRes $ +-- sourceFile inName .| +-- decryptPaddedStream (error "Padding Error") defaultChunkSize (unCbc key) iv .| +-- sinkFile outName +-- @ +-- +-- /Since 0.3.0/ +decryptPaddedStream + :: forall e cipher m. + Exception e + => BlockCipher cipher + => Monad m + => e -- ^ The exception to throw in case of a padding error + -> Int -- ^ The chunk size (in Bytes, you may use 'defaultChunkSize', will be modified to be + -- a guaranteed multiple (at least 1) of the 'blockSizeBytes') + -> (IV cipher -> ByteString -> (ByteString, IV cipher)) + -- ^ The decrypt function + -> IV cipher -- ^ The IV (see 'BlockCipher') + -> ConduitT ByteString ByteString m () +decryptPaddedStream paddingError chunkSize decrypt = go BS.empty + where + go :: ByteString -> IV cipher -> ConduitT ByteString ByteString m () + go lastBlock currentIv = do + (currentBlock, nextIv) <- decrypt currentIv . BL.toStrict <$> CB.take actualBlockSize + if BS.length currentBlock < actualBlockSize + then + case unpadPKCS5safe (lastBlock `BS.append` currentBlock) of + Just unpadded -> + yield unpadded + Nothing -> + throw paddingError + else do + yield lastBlock + go currentBlock nextIv + -- the actual block size is probably chunkSize but guaranteed to be a multiple of the cipher block size (at least one) + actualBlockSize :: Int + actualBlockSize = ((chunkSize `div` cipherBlockSize) * cipherBlockSize) `max` cipherBlockSize + -- block size of the cipher (16 in case of AES) + cipherBlockSize :: Int + cipherBlockSize = untag (blockSizeBytes :: Tagged cipher ByteLength) diff --git a/test/Spec.hs b/test/Spec.hs new file mode 100644 --- /dev/null +++ b/test/Spec.hs @@ -0,0 +1,36 @@ +{-# LANGUAGE ScopedTypeVariables #-} + +import Control.Exception (IOException, catch) +import Control.Monad (forM_) +import qualified Data.ByteString.Lazy as BL +import Data.Maybe (isNothing) +import System.Directory (listDirectory, removeFile) +import System.FilePath (()) +import System.IO (hClose) +import System.IO.Temp (withSystemTempFile) +import Test.Hspec (describe, hspec, it, shouldSatisfy) +import Test.HUnit.Base ((@?)) + +import Crypto.QNAP + +encryptedDirectory :: FilePath +encryptedDirectory = "test/encrypted" + +referenceDirectory :: FilePath +referenceDirectory = "test/reference" + +password :: String +password = "qORFZQiilzCz5JIxiOOuVE2TsJ6Xn5Rk" + +main :: IO () +main = + withSystemTempFile "decrypt" $ \tempFile tempFileHandle -> do + hClose tempFileHandle + files <- listDirectory encryptedDirectory + hspec $ describe "Crypto.QNAP.dectypt" $ + forM_ files $ \file -> it ("Verify file " ++ file) $ do + removeFile tempFile `catch` (\(_ :: IOException) -> return ()) + decrypt password (encryptedDirectory file) tempFile >>= (`shouldSatisfy` isNothing) + decrypted <- BL.readFile tempFile + reference <- BL.readFile (referenceDirectory file) + decrypted == reference @? "Decrypted file does not match reference" diff --git a/test/encrypted/c0 b/test/encrypted/c0 new file mode 100644 Binary files /dev/null and b/test/encrypted/c0 differ diff --git a/test/encrypted/c1 b/test/encrypted/c1 new file mode 100644 Binary files /dev/null and b/test/encrypted/c1 differ diff --git a/test/encrypted/c2 b/test/encrypted/c2 new file mode 100644 Binary files /dev/null and b/test/encrypted/c2 differ diff --git a/test/encrypted/c3 b/test/encrypted/c3 new file mode 100644 Binary files /dev/null and b/test/encrypted/c3 differ diff --git a/test/encrypted/c4 b/test/encrypted/c4 new file mode 100644 Binary files /dev/null and b/test/encrypted/c4 differ diff --git a/test/encrypted/c5 b/test/encrypted/c5 new file mode 100644 Binary files /dev/null and b/test/encrypted/c5 differ diff --git a/test/encrypted/u0 b/test/encrypted/u0 new file mode 100644 Binary files /dev/null and b/test/encrypted/u0 differ diff --git a/test/encrypted/u1 b/test/encrypted/u1 new file mode 100644 Binary files /dev/null and b/test/encrypted/u1 differ diff --git a/test/encrypted/u2 b/test/encrypted/u2 new file mode 100644 Binary files /dev/null and b/test/encrypted/u2 differ diff --git a/test/encrypted/u3 b/test/encrypted/u3 new file mode 100644 Binary files /dev/null and b/test/encrypted/u3 differ diff --git a/test/encrypted/u4 b/test/encrypted/u4 new file mode 100644 Binary files /dev/null and b/test/encrypted/u4 differ diff --git a/test/encrypted/u5 b/test/encrypted/u5 new file mode 100644 Binary files /dev/null and b/test/encrypted/u5 differ diff --git a/test/reference/c0 b/test/reference/c0 new file mode 100644 --- /dev/null +++ b/test/reference/c0 @@ -0,0 +1,1 @@ +#######################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################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diff --git a/test/reference/c1 b/test/reference/c1 new file mode 100644 --- /dev/null +++ b/test/reference/c1 @@ -0,0 +1,1 @@ 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diff --git a/test/reference/c2 b/test/reference/c2 new file mode 100644 --- /dev/null +++ b/test/reference/c2 @@ -0,0 +1,1 @@ +???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????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diff --git a/test/reference/c3 b/test/reference/c3 new file mode 100644 --- /dev/null +++ b/test/reference/c3 @@ -0,0 +1,1 @@ +xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx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diff --git a/test/reference/c4 b/test/reference/c4 new file mode 100644 --- /dev/null +++ b/test/reference/c4 @@ -0,0 +1,1 @@ 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diff --git a/test/reference/c5 b/test/reference/c5 new file mode 100644 --- /dev/null +++ b/test/reference/c5 @@ -0,0 +1,1 @@ 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diff --git a/test/reference/u0 b/test/reference/u0 new file mode 100644 --- /dev/null +++ b/test/reference/u0 @@ -0,0 +1,1 @@ +################################################################ diff --git a/test/reference/u1 b/test/reference/u1 new file mode 100644 --- /dev/null +++ b/test/reference/u1 @@ -0,0 +1,1 @@ +1111111111111111111111111111111111111111111111111111111111111111 diff --git a/test/reference/u2 b/test/reference/u2 new file mode 100644 --- /dev/null +++ b/test/reference/u2 @@ -0,0 +1,1 @@ +???????????????????????????????????????????????????????????????? diff --git a/test/reference/u3 b/test/reference/u3 new file mode 100644 --- /dev/null +++ b/test/reference/u3 @@ -0,0 +1,1 @@ +xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx diff --git a/test/reference/u4 b/test/reference/u4 new file mode 100644 --- /dev/null +++ b/test/reference/u4 @@ -0,0 +1,1 @@ +xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx diff --git a/test/reference/u5 b/test/reference/u5 new file mode 100644 --- /dev/null +++ b/test/reference/u5 @@ -0,0 +1,1 @@ +xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx