{
X509AttributeCertificate aCert = new X509V2AttributeCertificate(attrCert);
CertificateFactory fact = CertificateFactory.getInstance("X.509","BC");
X509Certificate sCert = (X509Certificate)fact.generateCertificate(new ByteArrayInputStream(signCert));
aCert.verify(sCert.getPublicKey(), "BC");
//
// search test
//