@Test
public void testMultipleSignatures() throws Exception {
ASN1InputStream is = new ASN1InputStream(Base64.decode(podpis1));
ASN1Primitive primitive = is.readObject();
System.out.println(org.bouncycastle.asn1.util.ASN1Dump.dumpAsString(primitive));
assertTrue(verify(podpis1) == 1);
is = new ASN1InputStream(Base64.decode(podpis2));
primitive = is.readObject();
System.out.println(org.bouncycastle.asn1.util.ASN1Dump.dumpAsString(primitive));
assertTrue(verify(podpis2) == 2);
}
private int verify(String signatureb64) {
int verified = 0;
try {
CMSSignedData signature = new CMSSignedData(Base64.decode(signatureb64));
// batch verification
Store certs = signature.getCertificates();
SignerInformationStore signers = signature.getSignerInfos();
Collection c = signers.getSigners();
Iterator it = c.iterator();
while (it.hasNext()) {
SignerInformation signer = (SignerInformation) it.next();
Collection certCollection = certs.getMatches(signer.getSID());
Iterator certIt = certCollection.iterator();
X509CertificateHolder certHolder = (X509CertificateHolder) certIt.next();
System.out.println(verified);
if (signer.verify(
new JcaSimpleSignerInfoVerifierBuilder()
.setProvider(new BouncyCastleProvider())
.build(certHolder))) {
verified++;
}
}
System.out.println(verified);
} catch (CMSException | StoreException | CertificateException | OperatorCreationException ex) {
System.err.println("error : " + ex.getMessage());
}
return verified;
}