public Principal getIssuerDN() {
try {
return new X509Principal(X500Name.getInstance(c.getIssuer().getEncoded()));
} catch (IOException e) {
return null;
}
}
public X500Principal getCertificateIssuer() {
if (certificateIssuer == null) {
return null;
}
try {
return new X500Principal(certificateIssuer.getEncoded());
} catch (IOException e) {
return null;
}
}
private static Collection getAlternativeNames(byte[] extVal) throws CertificateParsingException {
if (extVal == null) {
return null;
}
try {
Collection temp = new ArrayList();
Enumeration it = ASN1Sequence.getInstance(extVal).getObjects();
while (it.hasMoreElements()) {
GeneralName genName = GeneralName.getInstance(it.nextElement());
List list = new ArrayList();
list.add(Integers.valueOf(genName.getTagNo()));
switch (genName.getTagNo()) {
case GeneralName.ediPartyName:
case GeneralName.x400Address:
case GeneralName.otherName:
list.add(genName.getEncoded());
break;
case GeneralName.directoryName:
list.add(X500Name.getInstance(RFC4519Style.INSTANCE, genName.getName()).toString());
break;
case GeneralName.dNSName:
case GeneralName.rfc822Name:
case GeneralName.uniformResourceIdentifier:
list.add(((ASN1String) genName.getName()).getString());
break;
case GeneralName.registeredID:
list.add(ASN1ObjectIdentifier.getInstance(genName.getName()).getId());
break;
case GeneralName.iPAddress:
byte[] addrBytes = DEROctetString.getInstance(genName.getName()).getOctets();
final String addr;
try {
addr = InetAddress.getByAddress(addrBytes).getHostAddress();
} catch (UnknownHostException e) {
continue;
}
list.add(addr);
break;
default:
throw new IOException("Bad tag number: " + genName.getTagNo());
}
temp.add(Collections.unmodifiableList(list));
}
if (temp.size() == 0) {
return null;
}
return Collections.unmodifiableCollection(temp);
} catch (Exception e) {
throw new CertificateParsingException(e.getMessage());
}
}
private X500Name loadCertificateIssuer(boolean isIndirect, X500Name previousCertificateIssuer) {
if (!isIndirect) {
return null;
}
Extension ext = getExtension(Extension.certificateIssuer);
if (ext == null) {
return previousCertificateIssuer;
}
try {
GeneralName[] names = GeneralNames.getInstance(ext.getParsedValue()).getNames();
for (int i = 0; i < names.length; i++) {
if (names[i].getTagNo() == GeneralName.directoryName) {
return X500Name.getInstance(names[i].getName());
}
}
return null;
} catch (Exception e) {
return null;
}
}
public Principal getSubjectDN() {
return new X509Principal(X500Name.getInstance(c.getSubject().toASN1Primitive()));
}