| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Crypto.QNAP
Description
This is the heart of the qnap-decrypt package. It provides the function to decrypt the files encryped by QNAP's Hybrid Backup Sync.
Decrypt
Arguments
| :: String | The password |
| -> FilePath | The source file |
| -> FilePath | The target file |
| -> IO (Maybe DecryptError) | Returns an error or |
Decrypt a QNAP encoded file (does not throw an exception)
Since 0.3.0
Errors
data DecryptError Source #
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
Constructors
| 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: <error> |
| PaddingError | Padding is corrupt (probably damaged file) |
| IOError IOException | IO Exception: <error> |
| ZlibError ZlibException | Decompression Exception: <error> (probably damaged file) |
| FileSizeMismatch | File size is different than excepted (probably damaged file) |
Instances