private void testExceptions() throws Exception {
byte[] enc = {(byte) 0, (byte) 2, (byte) 3, (byte) 4, (byte) 5};
MyCertPath mc = new MyCertPath(enc);
ByteArrayOutputStream os = new ByteArrayOutputStream();
ByteArrayInputStream is;
byte[] arr;
ObjectOutputStream oOut = new ObjectOutputStream(os);
oOut.writeObject(mc);
oOut.flush();
oOut.close();
try {
CertificateFactory cFac = CertificateFactory.getInstance("X.509", "BC");
arr = os.toByteArray();
is = new ByteArrayInputStream(arr);
cFac.generateCertPath(is);
} catch (CertificateException e) {
// ignore okay
}
CertificateFactory cf = CertificateFactory.getInstance("X.509");
List certCol = new ArrayList();
certCol.add(cf.generateCertificate(new ByteArrayInputStream(certA)));
certCol.add(cf.generateCertificate(new ByteArrayInputStream(certB)));
certCol.add(cf.generateCertificate(new ByteArrayInputStream(certC)));
certCol.add(cf.generateCertificate(new ByteArrayInputStream(certD)));
CertPathBuilder pathBuilder = CertPathBuilder.getInstance("PKIX", "BC");
X509CertSelector select = new X509CertSelector();
select.setSubject(((X509Certificate) certCol.get(0)).getSubjectX500Principal().getEncoded());
Set trustanchors = new HashSet();
trustanchors.add(
new TrustAnchor(
(X509Certificate) cf.generateCertificate(new ByteArrayInputStream(rootCertBin)), null));
CertStore certStore =
CertStore.getInstance("Collection", new CollectionCertStoreParameters(certCol));
PKIXBuilderParameters params = new PKIXBuilderParameters(trustanchors, select);
params.addCertStore(certStore);
try {
CertPathBuilderResult result = pathBuilder.build(params);
CertPath path = result.getCertPath();
fail("found cert path in circular set");
} catch (CertPathBuilderException e) {
// expected
}
}
/**
* Searches for a holder public key certificate and verifies its certification path.
*
* @param attrCert the attribute certificate.
* @param pkixParams The PKIX parameters.
* @return The certificate path of the holder certificate.
* @throws AnnotatedException if
* <ul>
* <li>no public key certificate can be found although holder information is given by an
* entity name or a base certificate ID
* <li>support classes cannot be created
* <li>no certification path for the public key certificate can be built
* </ul>
*/
protected static CertPath processAttrCert1(
X509AttributeCertificate attrCert, ExtendedPKIXParameters pkixParams)
throws CertPathValidatorException {
CertPathBuilderResult result = null;
// find holder PKCs
Set holderPKCs = new HashSet();
if (attrCert.getHolder().getIssuer() != null) {
X509CertStoreSelector selector = new X509CertStoreSelector();
selector.setSerialNumber(attrCert.getHolder().getSerialNumber());
Principal[] principals = attrCert.getHolder().getIssuer();
for (int i = 0; i < principals.length; i++) {
try {
if (principals[i] instanceof X500Principal) {
selector.setIssuer(((X500Principal) principals[i]).getEncoded());
}
holderPKCs.addAll(
CertPathValidatorUtilities.findCertificates(selector, pkixParams.getStores()));
} catch (AnnotatedException e) {
throw new ExtCertPathValidatorException(
"Public key certificate for attribute certificate cannot be searched.", e);
} catch (IOException e) {
throw new ExtCertPathValidatorException("Unable to encode X500 principal.", e);
}
}
if (holderPKCs.isEmpty()) {
throw new CertPathValidatorException(
"Public key certificate specified in base certificate ID for attribute certificate cannot be found.");
}
}
if (attrCert.getHolder().getEntityNames() != null) {
X509CertStoreSelector selector = new X509CertStoreSelector();
Principal[] principals = attrCert.getHolder().getEntityNames();
for (int i = 0; i < principals.length; i++) {
try {
if (principals[i] instanceof X500Principal) {
selector.setIssuer(((X500Principal) principals[i]).getEncoded());
}
holderPKCs.addAll(
CertPathValidatorUtilities.findCertificates(selector, pkixParams.getStores()));
} catch (AnnotatedException e) {
throw new ExtCertPathValidatorException(
"Public key certificate for attribute certificate cannot be searched.", e);
} catch (IOException e) {
throw new ExtCertPathValidatorException("Unable to encode X500 principal.", e);
}
}
if (holderPKCs.isEmpty()) {
throw new CertPathValidatorException(
"Public key certificate specified in entity name for attribute certificate cannot be found.");
}
}
// verify cert paths for PKCs
ExtendedPKIXBuilderParameters params =
(ExtendedPKIXBuilderParameters) ExtendedPKIXBuilderParameters.getInstance(pkixParams);
CertPathValidatorException lastException = null;
for (Iterator it = holderPKCs.iterator(); it.hasNext(); ) {
X509CertStoreSelector selector = new X509CertStoreSelector();
selector.setCertificate((X509Certificate) it.next());
params.setTargetConstraints(selector);
CertPathBuilder builder = null;
try {
builder = CertPathBuilder.getInstance("PKIX", "BC");
} catch (NoSuchProviderException e) {
throw new ExtCertPathValidatorException("Support class could not be created.", e);
} catch (NoSuchAlgorithmException e) {
throw new ExtCertPathValidatorException("Support class could not be created.", e);
}
try {
result = builder.build(ExtendedPKIXBuilderParameters.getInstance(params));
} catch (CertPathBuilderException e) {
lastException =
new ExtCertPathValidatorException(
"Certification path for public key certificate of attribute certificate could not be build.",
e);
} catch (InvalidAlgorithmParameterException e) {
// must be a programming error
throw new RuntimeException(e.getMessage());
}
}
if (lastException != null) {
throw lastException;
}
return result.getCertPath();
}
