protected String decryptString(byte[] encryptedString, byte[] iv, byte[] key)
throws IOException, UnsupportedEncodingException {
InputStream encryptedStream =
cryptoHelper.decrypt(new ByteArrayInputStream(encryptedString), iv, key);
byte[] b = IOUtils.toByteArray(encryptedStream);
return new String(b, "utf-8");
}
protected DecryptedData getContentFromFileSystem(byte[] id, byte[] iv, byte[] key) {
String[] s = getPathAndNameFromDatabase(id, iv, key);
if (s != null) {
try {
FileInputStream fis = new FileInputStream(s[0]);
DecryptedData dd = new DecryptedData();
InputStream is = cryptoHelper.decrypt(fis, iv, key);
String fileName = s[1];
dd.setContent(is);
dd.setFilaName(fileName);
return dd;
} catch (IOException e) {
throw new RuntimeException(e);
}
} else {
return null;
}
}