}
public void test_signature_hmac_sha1_40_exclusive_c14n_comments_detached()
throws Exception {
String file = "signature-hmac-sha1-40-exclusive-c14n-comments-detached.xml";
KeySelector ks = new KeySelectors.SecretKeySelector
("test".getBytes("ASCII") );
try {
boolean coreValidity = validator.validate(file, ks);
fail("Expected HMACOutputLength Exception");
} catch (XMLSignatureException xse) {