code: private static byte[] getHash(byte[] value) {
  
          byte[] hash = new byte[value.length - Generate.SALT_BYTES];
          System.arraycopy(value, Generate.SALT_BYTES, hash, 0, hash.length);
          return hash;
      }
docs: Retrieves the hash from the given value.
  
  @param value The overall password hash value.
  @return The salt, which is the first {@value Generate#SALT_BYTES} bytes of the