MacSpi mSpi = new MyMacSpi();
byte [] bb1 = {(byte)1, (byte)2, (byte)3, (byte)4, (byte)5};
SecretKeySpec sks = new SecretKeySpec(bb1, "SHA1");
assertEquals("Incorrect MacLength", mSpi.engineGetMacLength(), 0);
try {
mSpi.engineInit(null, null);
fail("IllegalArgumentException must be thrown");
} catch (IllegalArgumentException e) {