public XMLSignContextTest() throws Exception {
// set up the signingKeys
KEYS = new Key[3];
KEYS[0] = TestUtils.getPrivateKey("DSA");
KEYS[1] = TestUtils.getPrivateKey("RSA");
KEYS[2] = new SecretKeySpec(new byte[16], "HmacSHA1");
// set up the default XMLSignContext
SecretKey sk = new SecretKeySpec(new byte[8], "DES");
doc = TestUtils.newDocument();
defContext = new DOMSignContext(sk, doc);
}