public byte[] getTBSCertificate() throws CertificateEncodingException {
try {
return c.getTBSCertificate().getEncoded(ASN1Encoding.DER);
} catch (IOException e) {
throw new CertificateEncodingException(e.toString());
}
}
private byte[] getExtensionBytes(String oid) {
Extensions exts = c.getTBSCertificate().getExtensions();
if (exts != null) {
Extension ext = exts.getExtension(new ASN1ObjectIdentifier(oid));
if (ext != null) {
return ext.getExtnValue().getOctets();
}
}
return null;
}
public boolean[] getSubjectUniqueID() {
DERBitString id = c.getTBSCertificate().getSubjectUniqueId();
if (id != null) {
byte[] bytes = id.getBytes();
boolean[] boolId = new boolean[bytes.length * 8 - id.getPadBits()];
for (int i = 0; i != boolId.length; i++) {
boolId[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
}
return boolId;
}
return null;
}
public byte[] getExtensionValue(String oid) {
Extensions exts = c.getTBSCertificate().getExtensions();
if (exts != null) {
Extension ext = exts.getExtension(new ASN1ObjectIdentifier(oid));
if (ext != null) {
try {
return ext.getExtnValue().getEncoded();
} catch (Exception e) {
throw new IllegalStateException("error parsing " + e.toString());
}
}
}
return null;
}
private void checkSignature(PublicKey key, Signature signature)
throws CertificateException, NoSuchAlgorithmException, SignatureException,
InvalidKeyException {
if (!isAlgIdEqual(c.getSignatureAlgorithm(), c.getTBSCertificate().getSignature())) {
throw new CertificateException("signature algorithm in TBS cert not same as outer cert");
}
ASN1Encodable params = c.getSignatureAlgorithm().getParameters();
// TODO This should go after the initVerify?
X509SignatureUtil.setSignatureParameters(signature, params);
signature.initVerify(key);
signature.update(this.getTBSCertificate());
if (!signature.verify(this.getSignature())) {
throw new SignatureException("certificate does not verify with supplied key");
}
}
public Set getNonCriticalExtensionOIDs() {
if (this.getVersion() == 3) {
Set set = new HashSet();
Extensions extensions = c.getTBSCertificate().getExtensions();
if (extensions != null) {
Enumeration e = extensions.oids();
while (e.hasMoreElements()) {
ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
Extension ext = extensions.getExtension(oid);
if (!ext.isCritical()) {
set.add(oid.getId());
}
}
return set;
}
}
return null;
}
public boolean hasUnsupportedCriticalExtension() {
if (this.getVersion() == 3) {
Extensions extensions = c.getTBSCertificate().getExtensions();
if (extensions != null) {
Enumeration e = extensions.oids();
while (e.hasMoreElements()) {
ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
String oidId = oid.getId();
if (oidId.equals(RFC3280CertPathUtilities.KEY_USAGE)
|| oidId.equals(RFC3280CertPathUtilities.CERTIFICATE_POLICIES)
|| oidId.equals(RFC3280CertPathUtilities.POLICY_MAPPINGS)
|| oidId.equals(RFC3280CertPathUtilities.INHIBIT_ANY_POLICY)
|| oidId.equals(RFC3280CertPathUtilities.CRL_DISTRIBUTION_POINTS)
|| oidId.equals(RFC3280CertPathUtilities.ISSUING_DISTRIBUTION_POINT)
|| oidId.equals(RFC3280CertPathUtilities.DELTA_CRL_INDICATOR)
|| oidId.equals(RFC3280CertPathUtilities.POLICY_CONSTRAINTS)
|| oidId.equals(RFC3280CertPathUtilities.BASIC_CONSTRAINTS)
|| oidId.equals(RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME)
|| oidId.equals(RFC3280CertPathUtilities.NAME_CONSTRAINTS)) {
continue;
}
Extension ext = extensions.getExtension(oid);
if (ext.isCritical()) {
return true;
}
}
}
}
return false;
}
public String toString() {
StringBuffer buf = new StringBuffer();
String nl = Strings.lineSeparator();
buf.append(" [0] Version: ").append(this.getVersion()).append(nl);
buf.append(" SerialNumber: ").append(this.getSerialNumber()).append(nl);
buf.append(" IssuerDN: ").append(this.getIssuerDN()).append(nl);
buf.append(" Start Date: ").append(this.getNotBefore()).append(nl);
buf.append(" Final Date: ").append(this.getNotAfter()).append(nl);
buf.append(" SubjectDN: ").append(this.getSubjectDN()).append(nl);
buf.append(" Public Key: ").append(this.getPublicKey()).append(nl);
buf.append(" Signature Algorithm: ").append(this.getSigAlgName()).append(nl);
byte[] sig = this.getSignature();
buf.append(" Signature: ").append(new String(Hex.encode(sig, 0, 20))).append(nl);
for (int i = 20; i < sig.length; i += 20) {
if (i < sig.length - 20) {
buf.append(" ").append(new String(Hex.encode(sig, i, 20))).append(nl);
} else {
buf.append(" ")
.append(new String(Hex.encode(sig, i, sig.length - i)))
.append(nl);
}
}
Extensions extensions = c.getTBSCertificate().getExtensions();
if (extensions != null) {
Enumeration e = extensions.oids();
if (e.hasMoreElements()) {
buf.append(" Extensions: \n");
}
while (e.hasMoreElements()) {
ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
Extension ext = extensions.getExtension(oid);
if (ext.getExtnValue() != null) {
byte[] octs = ext.getExtnValue().getOctets();
ASN1InputStream dIn = new ASN1InputStream(octs);
buf.append(" critical(").append(ext.isCritical()).append(") ");
try {
if (oid.equals(Extension.basicConstraints)) {
buf.append(BasicConstraints.getInstance(dIn.readObject())).append(nl);
} else if (oid.equals(Extension.keyUsage)) {
buf.append(KeyUsage.getInstance(dIn.readObject())).append(nl);
} else if (oid.equals(MiscObjectIdentifiers.netscapeCertType)) {
buf.append(new NetscapeCertType((DERBitString) dIn.readObject())).append(nl);
} else if (oid.equals(MiscObjectIdentifiers.netscapeRevocationURL)) {
buf.append(new NetscapeRevocationURL((DERIA5String) dIn.readObject())).append(nl);
} else if (oid.equals(MiscObjectIdentifiers.verisignCzagExtension)) {
buf.append(new VerisignCzagExtension((DERIA5String) dIn.readObject())).append(nl);
} else {
buf.append(oid.getId());
buf.append(" value = ").append(ASN1Dump.dumpAsString(dIn.readObject())).append(nl);
// buf.append(" value = ").append("*****").append(nl);
}
} catch (Exception ex) {
buf.append(oid.getId());
// buf.append(" value = ").append(new
// String(Hex.encode(ext.getExtnValue().getOctets()))).append(nl);
buf.append(" value = ").append("*****").append(nl);
}
} else {
buf.append(nl);
}
}
}
return buf.toString();
}
