private static byte[] removeSignByte(byte[] array)
	{
		if(array.length > Security.SIZE_OF_ELGAMAL_CIPHER / 2) {
			byte[] result = new byte[array.length-1];
			System.arraycopy(array, 1, result, 0, result.length);
			return result;
		} else {
			return array;
		}
	}