DiggestFile

DiggestFile.java

      //New file input stream for reading the file content
      FileInputStream fis = new FileInputStream(file);
       
      //Create byte array to read data in chunks
      byte[] byteArray = new byte[1024];
      int bytesCount = 0; 
        
      //Read file data and update in message digest
      while ((bytesCount = fis.read(byteArray)) != -1) {
        digest.update(byteArray, 0, bytesCount);
      };
       
      //close the stream; We don't need it now.
      fis.close();
       
      //Get the hash's bytes
      byte[] bytes = digest.digest();